Hydro-GearHydro-Gear
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Company

Patents

We never rest on our past accomplishments. Hydro-Gear is constantly developing new innovative products. Our expanding list of patents is testament to our innovative approach of providing products to meet our customer’s needs. Our patents include:

Patent Listings

Patent NumberIssue DatePatentInventors
5201692 4/13/1993 Rider Transaxle Having Hydrostatic Transmission Alan W. Johnson & Ray M. Hauser
5314387 5/24/1994 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
5330394 7/19/1994 Rider Transaxle Having Improved Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
5423182 6/13/1995 Improved Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
5497623 3/12/1996 Hydrostatic Pump and Motor Unit Raymond Hauser & Alan W. Johnson
5501640 3/26/1996 Transaxle Having Hydrostatic Transmission with Hydraulic Reduction Raymond Hauser & Alan W. Johnson
5546752 8/20/1996 Combination Valve Including Improved Neutral Valve for Use in Hydrostatic Transmission Todd Horton & Michael Bennett
5555727 9/17/1996 Auxiliary Pumps for Axle Driving Apparatus Including Hydrostatic Transmission Raymond Hauser, Daryl Smothers & John Schreier
5557931 9/24/1996 Charge Pump for Axle Driving Apparatus Including Hydrostatic Transmission Raymond Hauser, Daryl Smothers & John Schreier
5613409 3/25/1997 Axle Driving Apparatus Having Improved Casing Design Raymond Hauser
5616092 4/1/1997 Transaxle Having Hydrostatic Transmission with Expansion Chamber Raymond Hauser & Alan W. Johnson
5628189 5/13/1997 Charge Pump for Axle Driving Apparatus Including Hydrostatic Transmission Raymond Hauser, Daryl Smothers & John Schreier
5689955 11/25/1997 Hydrostatic Transaxle Having Improved Brake Design Raymond Hauser & Alan W. Johnson
5768892 6/23/1998 Rider Transaxle Having Improved Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
5771758 6/30/1998 Axle Driving Apparatus Having Improved Casing Design Raymond Hauser
5782717 7/21/1998 Transaxle with Differential Assembly Daryl Smothers & Raymond Hauser
5807200 9/15/1998 Transaxle Drive Differential Assembly Raymond Hauser
5819535 10/13/1998 Charge Pump and Auxiliary Pump for Hydrostatic Transmissions and Integrated Hydrostatic Transaxles Daryl Smothers & Raymond Hauser
5855116 1/5/1999 Combination Valve Including Improved Neutral Valve for Use in Hydrostatic Transmission Todd Horton & Michael Bennett
5863271 1/26/1999 Controlled Traction Cartridge and Differential John Schreier, Matthew Hansen & Todd Horton
5894783 4/20/1999 Hydrostatic Transmission Swash Plate Assembly Raymond Hauser & John Schreier
5897452 4/27/1999 Integrated Hydrostatic Transaxle with Controlled Traction Differential John Schreier, Matthew Hansen, Todd Horton & Ron Sporrer
5899826 5/4/1999 Controlled Traction Cartridge and Differential John Schreier, Matthew Hansen & Todd Horton
5984822 11/16/1999 Integrated Hydrostatic Transaxle with Controlled Traction Differential John Schreier, Matthew Hansen, Todd Horton & Ronald Sporrer
6014861 1/18/2000 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
6024665 2/15/2000 Transaxle Drive Differential Assembly Raymond Hauser
6073444 6/13/2000 Combination Valve Including Improved Neutral Valve for use in Hydrostatic Transmission Todd Horton & Michael Bennett
6105463 8/22/2000 Transmission and Transaxle Casing Ronald Sporrer
6122996 9/26/2000 Hydrostatic Transmission Raymond Hauser
6135911 10/24/2000 Transaxle Drive Differential Assembly Raymond Hauser
6145312 11/14/2000 Electro-Mechanical Bypass for Hydrostatic Transmission Raymond Hauser & Lonnie E. Holder
6152247 11/28/2000 Zero Turn Transaxle Ronald Sporrer & Raymond Hauser
6152846 11/28/2000 Integrated Hydrostatic Transaxle with Controlled Traction Differential John Schreier, Matthew Hansen, Todd Horton & Ronald Sporrer
6185936 2/13/2001 Bypass for a Hydrostatic Transmission Raymond Hauser, John Schreier, Michael Houser & Juan Pedro Roberto A. Ooink
6192682 2/27/2001 Charge Pump and Auxiliary Pump for Hydrostatic Transmissions and Integrated Hydrostatic Transaxles Daryl Smothers & Raymond Hauser
6223531 5/1/2001 Housing and Center Section for Hydrostatic Transmission Raymond Hauser, John Schreier & Michael Bennett
6244137 6/12/2001 Transmission Casing with Visible Coding System Craig Wigness
6253637 7/3/2001 Control Device for Hydrostatic Apparatus Raymond Hauser, Thomas Langenfeld & William H. Ward
6256988 7/10/2001 Rider Transaxle Having Improved Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
6256989 7/10/2001 Method and Apparatus for Improved Hydrostatic Transmission Having Bypass Raymond Hauser & Alan W. Johnson
6261201 7/17/2001 Differential Gear Mechanism Raymond Hauser & Alan W. Johnson
6283235 9/4/2001 Zero Turn Transaxle Ronald Sporrer & Raymond Hauser
6286309 9/11/2001 Method of Making a Hydrostatic Transmission Having Controlled Fluid Pressure Todd Horton & Michael Bennett
6301884 10/16/2001 Brake Design for a Hydrostatic Transaxle Raymond Hauser & Alan W. Johnson
6318080 10/20/2001 Hydrostatic Transmission Raymond Hauser, John Schreier, Michael Houser & Juan Pedro Roberto A. Ooink
6322474 10/27/2001 Differential for Use in a Vehicle Raymond Hauser
6332317 12/25/2001 Bypass for Hydrostatic Transmission Raymond Hauser & Lonnie E. Holder
6332393 12/25/2001 Pump Robert Trimble
6336378 1/8/2002 Transmission and Transaxle Casing Ronald Sporrer
6338690 1/15/2002 Transaxle Drive Differential Assembly Raymond Hauser
6358175 3/19/2002 Controlled Traction Cartridge and Differential for a Hydrostatic Transmission John Schreier, Matthew Hansen, Todd Horton & Ronald Sporrer
6370876 4/16/2002 Axle Driving Apparatus Having an Improved Hydraulic Fluid Bypass Mechanism Thomas J. Langenfeld
6374604 4/23/2002 Hydrostatic Transmission Bypass Latch Herb Poplawski, Raymond Hauser, John Schreier & Thomas J. Langenfeld
6397594 6/4/2002 Hydrostatic Transmission Raymond Hauser & John Schreier
6401568 6/11/2002 Axle Driving Device Having Lobed Bearings Raymond Hauser & John Schreier
6427443 8/6/2002 Charge Pump Manifold for Hydrostatic Transmissions and Integrated Hydrostatic Transaxles Daryl Smothers & Raymond Hauser
6443869 9/3/2002 Transaxle with Controlled Traction Differential John Schreier, Matthew Hansen, Todd Horton, & Ronald Sporrer
6487857 12/3/2002 Zero-turn Transaxle with Mounted Return to Neutral Mechanism Herb Poplawski, Michael W. Taylor, & Ryan S. Buescher
6487935 12/3/2002 Hydrostatic Transmission Raymond Hauser & John Schreier
6494686 12/17/2002 Tandem Pump and Interface for Same William H. Ward
6502394 1/7/2003 Pump Robert Trimble
6526748 3/4/2003 Control Device for Hydraulic Pump Robert Trimble
6526749 3/4/2003 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
6550243 4/22/2003 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
6550244 4/22/2003 Axle Driving Apparatus Having an Improved Hydraulic Fluid Bypass Mechanism Thomas J. Langenfeld
6575055 6/10/2003 Transmission and Transaxle Casing Ronald Sporrer
6575868 6/10/2003 Transaxle with Differential Lock Mechanism Rene Keusch & Raymond Hauser
6588206 7/8/2003 Method for Controlling Fluid Flow in a Hydrostatic Transmission Raymond Hauser & Lonnie E. Holder
6599218 7/29/2003 Transaxle Drive Differential Assembly Raymond Hauser
6637293 10/28/2003 Hydrostatic Transmission Raymond Hauser & John Schreier
6644425 11/11/2003 Hydrostatic Transmission Connection Apparatus Raymond Hauser
6651427 11/25/2003 Hydrostatic Transmission Bypass Latch Herb M. Poplawski, Raymond Hauser & John D. Schreier
6651529 11/25/2003 Hydrostatic Transmission Herb M. Poplawski, Thomas D. Wiley, John D. Schreier, Michael L. Bennett, Lonnie E. Holder & Ralph A. McClelland
6672057 1/6/2004 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
6672058 1/6/2004 Zero Turn Transaxle Thomas J. Langenfeld, Matthew C. Roney, Shane A. Deters, Daryl Smothers & Raymond Hauser
6672843 1/6/2004 Dual Pump Apparatus Comprising Dual Drive Shafts and Auxiliary Pump Lonnie E. Holder, Michael Todd & Robert Trimble
6675696 1/13/2004 Pump and Center Section for Hydrostatic Transmission Thomas J. Langenfeld
6681569 1/27/2004 Filter Assembly for a Hydrostatic Transaxle Eric S. Phanco, Patricia J. Given & Adam W. Wahner
6682312 1/27/2004 Tandem Pump and Interface for Same William H. Ward
6688433 2/10/2004 Filter for Hydrostatic Device Raymond Hauser & John Schreier
6691511 2/17/2004 Filter for Hydrostatic Transmission Eric S. Phanco, Raymond Hauser & Lonnie E. Holder
6691512 2/17/2004 Hydraulic Transmission with Combination Check Valve and Pressure Release Valve Thomas Kopel, Robert Trimble, Tage Christiansen & Anders Kryhlmand
6694729 2/24/2004 Pump Robert Trimble
6698198 3/2/2004 Hydrostatic Transmission John Schreier
6699118 3/2/2004 Vent Apparatus Adam W. Wahner, Scott W. Keller & Lonnie E. Holder
6701825 3/9/2004 Return to Neutral Device for a Hydraulic Apparatus Thomas J. Langenfeld
6705840 3/16/2004 Inline Tandem Pump Raymond Hauser & Lonnie E. Holder
6715284 4/6/2004 Zero-Turn Transaxle with Mounted Return to Neutral Mechanism Herb Poplawski, Michael W. Taylor & Ryan S. Buescher
6719005 4/13/2004 Combination Check Valve and Pressure Relief Valve Robert Trimble, Tage Christiansen & Anders Kryhlmand
6735943 5/18/2004 Bypass for a Hydraulic Device Raymond Hauser & Lonnie E. Holder
6745565 6/8/2004 Vent Cap for Hydraulic Apparatus Adam W. Wahner, Scott W. Keller & Lonnie E. Holder
6755019 6/29/2004 Bypass Mechanism for a Hydrostatic Transaxle Eric S. Phanco
6761182 7/13/2004 Method for Configuration of a Valve Robert Trimble, Tage Christiansen & Anders Kryhlmand
6766715 7/27/2004 Control Mechanism for Hydraulic Devices Thomas D. Wiley & Herb Poplawski
6775976 8/17/2004 Zero-Turn Hydrostatic Transaxle Eric S. Phanco, Kenneth J. Rawski, Patricia J. Given, William H. Ward & Lonnie E. Holder
6780137 8/24/2004 Differential Lock Mechanism Thomas J. Langenfeld
6782797 8/31/2004 Hydraulic Apparatus with Return to Neutral Mechanism Neil Brandenburg, Jeffrey A. Wilson & Herb Poplawski
6789445 9/14/2004 Combination Wheel Retainer and Axle Shaft Cover Michael Todd & Lonnie E. Holder
6793463 9/21/2004 Tandem Pump and Interface for Same William H. Ward
6804958 10/19/2004 Hydrostatic Transmission Bypass Latch Herb Poplawski, Raymond Hauser, John Schreier & Thomas J. Langenfeld
6811509 11/2/2004 Hydraulic Motor Apparatus Including Brake Mechanism Thomas J. Langenfeld & Shane A. Deters
6811510 11/2/2004 Hydraulic Motor Apparatus and Vehicle Thomas J. Langenfeld & Raymond Hauser
6817430 11/16/2004 Connection Apparatus For A Transaxle Assembly Having Two Housings Raymond Hauser
6837142 1/4/2005 Clamping Cruise Control System Herb Poplawski & Thomas D. Wiley
6840042 1/11/2005 Internal Filter Michael Taylor, Jeffrey A. Wilson, Thomas Kopel & Neil Brandenburg
6840879 1/11/2005 Hydraulic Motor Apparatus Thomas J. Langenfeld & Raymond Hauser
6843056 1/18/2005 Zero Turn Transaxle Thomas J. Langenfeld, Mattew C. Roney, Shane A. Deters, Daryl Smothers, J. David Pratt & Raymond Hauser
6843747 1/18/2005 Internal Expansion Tank for Hydrostatic Transaxle Eric S. Phanco, Kenneth J. Rawski & William H. Ward
6849179 2/1/2005 Internal Filter Michael Taylor, Jeffrey A. Wilson & Neil Brandenburg
6860358 3/1/2005 Utility Vehicle Having Hydrostatic Drive Raymond Hauser, Ronald Sporrer & Frederic Pollman
6880333 4/19/2005 Control Assembly For A Hydraulic Device Michael W. Taylor & Herb Poplawski
6880334 4/19/2005 Filter For Hydrostatic Device Eric S. Phanco, Raymond Hauser & Lonnie E. Holder
6880448 4/19/2005 Pump & Center Section For Hydrostatic Transmission Thomas J. Langenfeld
6880449 4/19/2005 Center Section & Running Components For Hydrostatic Unit & Method of Manufacture Robert E. Trimble & Raymond Hauser
6880686 4/19/2005 Transmission Shaft Rotation Sensor Raymond Hauser, Lonnie E. Holder & Scott W. Keller
6886315 5/3/2005 Circuit For A Transmission Shaft Rotation Sensor Raymond Hauser, Lonnie E. Holder & Scott W. Keller
6889595 5/10/2005 Pump Robert E. Trimble
6915872 7/12/2005 Cruise Control System Thomas D. Wiley & Herb Poplawski
6923092 8/2/2005 Control Mechanism For A Hydraulic Device Thomas Wiley & Bryce E. Steenburg
6935454 8/30/2005 Valve For A Hydraulic Drive Apparatus Raymond Hauser & William H. Ward
6941753 9/13/2005 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
6942082 9/13/2005 Drive Coupling Marcus Bunnow & Edward L. Walsh
6951093 10/4/2005 Transmission Shaft Rotation Sensor Switch Raymond Hauser, Lonnie E. Holder & Scott W. Keller
6953327 10/11/2005 Dual Pump Raymond Hauser, Lonnie E. Holder & Scott W. Keller
6955046 10/18/2005 System and Method For Electronic Actuation of Axle Driving Apparatus Lonnie E. Holder & Raymond Hauser
6957531 10/25/2005 Center Section For A Hydrostatic Transaxle Eric S. Phanco & Kenneth J. Rawski
6964164 11/15/2005 Return to Neutral Device for a Hydraulic Apparatus Thomas J. Langenfeld
6964280 11/15/2005 Valve Assembly for Use in a Hydraulic Component Robert E. Trimble, Tage Christiansen, Anders Kryhlmand & Thomas Kopel
6968684 11/29/2005 Valve For A Hydraulic Drive Apparatus Raymond Hauser & William H. Ward
6968687 11/29/2005 Hydraulic Apparatus With Return To Neutral Mechanism Herb Poplawski, Michael W. Taylor, Ryan S. Buescher, Jeffrey A. Wilson & Neil Brandenburg
6971233 12/6/2005 Pump Apparatus Lonnie E. Holder
6971234 12/6/2005 Zero-Turn Hydrostatic Transaxle Eric S. Phanco, Kenneth J. Rawski, Patricia J. Given, William H. Ward & Lonnie E. Holder
6973783 12/13/2005 Zero Turn Drive Apparatus Raymond Hauser & Lonnie E. Holder
6986363 1/17/2006 Valve Assembly For Use In A Hydraulic Component Robert E. Trimble, Tage Christiansen, Anders Kryhlmand, & Thomas Kopel
6986406 1/17/2006 Hydrostatic Transmission Raymond Hauser & John Schreier
6993906 2/7/2006 Hydraulic Drive Apparatus Daryl Smothers & Raymond Hauser
6994180 2/7/2006 Utility Vehicle Having Hydrostatic Drive Raymond Hauser, Ronald Sporrer & Frederic W. Pollman
6997099 2/14/2006 Hydraulic Pump Apparatus Robert E. Trimble & Raymond Hauser
6997839 2/14/2006 Hydraulic Motor Apparatus Thomas J. Langenfeld, Raymond Hauser & Matthew C. Roney
7000723 2/21/2006 Cruise Control System Thomas D. Wiley & Herb Poplawski
7001146 2/21/2006 Electric Fan Cooling of Hydraulic Pump Michael Todd
7003950 2/28/2006 Electronic Control System For A Hydraulic Pump Lonnie E. Holder & Raymond Hauser
7007467 3/7/2006 Bypass For A Hydraulic Device Raymond Hauser & Lonnie E. Holder
7007468 3/7/2006 Charge Pump For A Hydrostatic Transmission Michael L. Bennett & John D. Schreier
7007571 3/7/2006 Hydrostatic Transmission Herb M. Poplawski, Thomas D. Wiley, John D. Schreier, Michael L. Bennett, Lonnie E. Holder & Ralph A. McClelland
7017326 3/28/2006 Transmission Rotation Sensor Switch Scott W. Keller & Michael Taylor
7024853 4/11/2006 Method For Electronic Control Of A Hydraulic Pump Lonnie E. Holder & Raymond Hauser
7028708 4/18/2006 Combined Check Valve and Pressure Relief Valve Thomas J. Langenfeld, Matthew C. Roney & Robert E. Trimble
7032377 4/25/2006 Neutral Start Switch Scott W. Keller, Thomas P Gavin, Donald G. Cook, Michael E. Cook & Lonnie E. Holder
7036311 5/2/2006 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
7036615 5/2/2006 Hydrostatic Transmission Connection Apparatus Raymond Hauser
7040092 5/9/2006 Center Section For Hydraulic Transmission Ryan S. Buescher
7047736 5/23/2006 Zero Turn Transaxle Thomas J. Langenfeld, Matthew C. Roney, Shane A. Deters, Daryl Smothers, J. David Pratt & Raymond Hauser
7052429 5/30/2006 Internal Expansion Tank for Hydrostatic Transaxle Eric S. Phanco, Kenneth J. Rawski & William H. Ward
7056101 6/6/2006 Inline Tandem Pump Raymond Hauser & Lonnie E. Holder
7065964 6/27/2006 Hydrostatic Transmission Raymond Hauser & Alan W. Johnson
7066199 6/27/2006 Valve Assembly Robert E. Trimble, Tage Christiansen, Anders Kryhlmand & Thomas Kopel
7073330 7/11/2006 Steering System For A Hydrostatic Drive Apparatus Raymond Hauser
7080709 7/25/2006 Utility Vehicle Having Hydrostatic Drive Raymond Hauser, Ronald Sporrer & Frederic W. Pollman
7081061 7/25/2006 Hydraulic Motor Apparatus Thomas J. Langenfeld, Raymond Hauser & Matthew C. Roney
7082762 8/1/2006 Pump Robert Trimble
7086984 8/8/2006 Differential Lock Mechanism Thomas J. Langenfeld
7093685 8/22/2006 Utility Vehicle Having Hydrostatic Drive Raymond Hauser, Ronald Sporrer & Frederic W. Pollman
7111457 9/26/2006 Diagnostic System For A Hydrostatic Transmission or Transaxle Thomas J. Langenfeld & Scott W. Keller
7111459 9/26/2006 Zero Turn Hydrostatic Transmission Bypass Linkage Joseph L. Brookens & Scott W. Keller
7111545 9/26/2006 Return To Neutral Device For A Hydraulic Apparatus Thomas J. Langenfeld
7121092 10/17/2006 Bypass Mechanism For A Hydraulic Drive Device Eric S. Phanco & Kenneth J. Rawski
7127889 10/31/2006 Zero Turn Transaxle Michael L. Bennett, Thomas J. Langenfeld, Matthew C. Roney & Shane A. Deters
7131267 11/7/2006 Dual Neutral Start Switches Scott W. Keller, Lonnie E. Holder, Michael Taylor, Thomas P. Gavin, Donald G. Cook & Michael E. Cook
7134276 11/14/2006 Cylinder Block Brake For A Hydrostatic Drive Apparatus Thomas J. Langenfeld & Shane A. Deters
7137250 11/21/2006 Zero Turn Drive Apparatus With Power Take Off K. Mike McCoy, Lonnie E. Holder & Scott W. Keller
7146809 12/12/2006 Valve For A Hydraulic Drive Apparatus Raymond Hauser & William H. Ward
7146810 12/12/2006 Pump Assembly Raymond Hauser & Scott W. Keller
7162870 1/16/2007 Pump Assembly Raymond Hauser
7165398 1/23/2007 System and Method For Electronic Actuation Of Axle Driving Apparatus Lonnie E. Holder & Raymond Hauser
7168247 1/30/2007 Charge Pump Robert E. Trimble
7174712 2/13/2007 Hydrostatic Transmission Bypass Linkage Joseph L. Brookens & Thomas D. Wiley
7178336 2/20/2007 Pump Robert E. Trimble
7186200 3/6/2007 Planet Brake Differential Raymond Hauser
7197873 4/3/2007 Assembly For Use With A Return To Neutral Mechanism Scott E. Windhorst & Bruce E. Reid
7201250 4/10/2007 Utility Vechicle Having Hydrostatic Drive Raymond Hauser, Ronald Sporrer & Frederic W. Pollman
7210294 5/1/2007 Hydrostatic Transaxle Thomas J. Langenfeld, Scott W. Keller & Shane A. Deters
7225617 6/5/2007 Bypass Mechanism For A Hydraulic Drive Apparatus Thomas J. Langenfeld, Matthew C. Roney, Shane A. Deters, Daryl Smothers, J. David Pratt and Raymond Hauser
7229256 6/12/2007 Dual Pump Transmission Raymond Hauser & Lonnie E. Holder
7234300 6/26/2007 Fastener and Valve for a Hydraulic Apparatus Thomas J. Langenfeld & Scott W. Keller
7234301 6/26/2007 Steering System for a Hydrostatic Drive Apparatus Raymond Hauser
7257948 8/21/2007 Dual Pump Apparatus Michael L. Bennett
7258134 8/21/2007 Combination Check Valve and Pressure Rise Rate Valve Thomas J. Langenfeld & Matthew C. Roney
7263829 9/4/2007 Pump Robert E. Trimble
7266938 9/11/2007 Circuit for a Transmission Shaft Rotation Sensor Raymond Hauser, Lonnie E. Holder & Scott W. Keller
7275371 10/2/2007 Bypass for a Hydraulic Device Raymond Hauser & Lonnie E. Holder
7278261 10/9/2007 Pump Apparatus Lonnie E. Holder
7278263 10/9/2007 Charge Pump for a Hydraulic Pump Michael L. Bennett, John D. Schreier & Scott W. Keller
7281375 10/16/2007 System and Method for Electronic Actuation of Axle Driving Apparatus Raymond Hauser & Lonnie E. Holder
7296594 11/20/2007 Combination Check Valve and Neutral Valve Assembly for use in a Hydraulic Component Eric S. Phanco
7308790 12/18/2007 Adjustable Hydraulic Motor Apparatus Michael L. Bennett, Matthew C. Roney, Scott E. Windhorst, Thomas J. Langenfeld & Raymond Hauser
7313914 1/1/2008 Actuator Assembly for Hydraulic Drive Apparatus Bruce E. Reid, Nathan W. Bonny, Scott W. Keller & Danny Ray Harrison
7313915 1/1/2008 Assembly For Use With a Return to Neutral Mechanism Scott E. Windhorst & Bruce E. Reid
7316114 1/8/2008 Valve for a Hydraulic Drive Apparatus Raymond Hauser & William H. Ward
7320334 1/22/2008 Valve Assembly Robert E. Trimble, Tage Christiansen, Anders Kryhlmand & Thomas Kopel
7320577 1/22/2008 Dual Pump Transmission Lonnie E. Holder, Michael Todd & Robert E. Trimble
7328576 2/12/2008 Zero Turn Transaxle Thomas J. Langenfeld, Shane A. Deters, Daryl Smothers & J. David Pratt
7340890 3/11/2008 Hydraulic Apparatus with Return to Neutral Mechanism Herb Poplawski, Michael Taylor, Ryan S. Buescher, Jeffrey A. Wilson & Neil Brandenburg
7340892 3/11/2008 Charge Pump Robert E. Trimble
7347047 3/25/2008 Pump Assembly Raymond Hauser
7350630 4/1/2008 Brake Clutch Mechanism Raymond Hauser & Scott W. Keller
7360358 4/22/2008 Bypass Mechanism for a Hydraulic Drive Apparatus Eric S. Phanco & Ryan S. Buescher
7367185 5/6/2008 Zero Turn Drive Apparatus with Power Take Off K. Mike McCoy, Lonnie E. Holder & Scott W. Keller
7367353 5/6/2008 Combined Check Valve and Pressure Relief Valve Thomas J. Langenfeld, Matthew C. Roney & Robert E. Trimble
7373871 5/20/2008 Swash Plate for a Hydraulic Drive Apparatus Ryan S. Buescher
7377105 5/27/2008 Dual Pump Assembly Raymond Hauser
7383683 6/10/2008 Zero-Turn Hydrostatic Transaxle Kenneth J. Rawski
7392654 7/1/2008 Zero-Turn Drive Apparatus Raymond Hauser & Lonnie E. Holder
7396310 7/8/2008 Hydrostatic Transaxle Thomas J. Langenfeld
7406825 8/5/2008 Steering System For a Hydraulic Drive Apparatus Raymond Hauser
7409890 8/12/2008 Hydraulic Motor Apparatus Thomas J. Langenfeld & Raymond Hauser
7412828 8/19/2008 Adjustable Hydraulic Motor Apparatus Michael L. Bennett, Matthew C. Roney, Thomas J. Langenfeld & Raymond Hauser
7430942 10/7/2008 Hydrostatic Transmission Herb M. Poplawski, Thomas D. Wiley, John D. Schreier, Michael L. Bennett, Lonnie E. Holder & Ralph A. McClelland
7451780 11/18/2008 Multifunction Valve for use in a Hydraulic Component Robert E. Trimble
7454907 11/25/2008 Hydrostatic Transmission Raymond Hauser & John Schreier
7454908 11/25/2008 Zero Turn Transaxle Thomas J. Langenfeld, Matthew C. Roney, Shane A. Deters & Raymond Hauser
7473207 1/6/2009 Transmission Shaft Rotation Sensor Switch Raymond Hauser, Lonnie E. Holder & Scott W. Keller
7476171 1/13/2009 Hydraulic Motor Apparatus Including Brake Mechanism Thomas J. Langenfeld & Shane A. Deters
7476172 1/13/2009 Motor Apparatus Including Brake Mechanism Thomas J. Langenfeld & Shane A. Deters
7487636 2/10/2009 Hydraulic Drive Apparatus Craig Wigness, Thomas J. Langenfeld & Shane A. Deters
7497082 3/3/2009 Center Section for Hydraulic Transmission Michael L. Bennett & Scott W. Keller
7503174 3/17/2009 Actuator Assembly Bruce E. Reid, Nathan W. Bonny, Scott W. Keller & Danny Ray Harrison
7513113 4/7/2009 System and Method for Electronic Actuation of Axle Driving Apparatus Lonnie E. Holder & Raymond Hauser
7516615 4/14/2009 Pump Robert E. Trimble
7536857 5/26/2009 Zero Turn Drive Apparatus Raymond Hauser & Lonnie E. Holder
7566207 7/28/2009 Dual Pump Transmission Lonnie E. Holder, Robert E. Trimble & Mike Todd
7568497 8/4/2009 Combined Check Valve and Pressure Relief Valve Thomas J. Langenfeld, Matthew C. Roney & Robert E. Trimble
7624573 12/1/2009 Drive Apparatus Including a Pump Assembly Raymond Hauser
7640738 1/5/2010 Hydraulic Pump and Motor Module for use in a Vehicle Raymond Hauser & Scott W. Keller
7726126 6/1/2010 Dual Pump Apparatus with Power Take Off Raymond Hauser & Michael Bennett
7806667 10/5/2010 Dual Pump Raymond Hauser & Lonnie E. Holder
7841176 11/30/2010 Zero Turn Transaxle Thomas J. Langenfeld, Matthew C. Roney, Shane A. Deters & Raymond Hauser
7854117 12/21/2010 Center Section for Hydraulic Transmission Michael L. Bennett & Scott W. Keller
7900447 3/8/2011 Zero Turn Drive Apparatus Raymond Hauser & Lonnie E. Holder
7908850 3/22/2011 Actuator Assembly Bruce E. Reid, Nathan W. Bonny, Scott W. Keller & Danny Ray Harrison
7918088 4/5/2011 Dual Pump Assembly Raymond Hauser
7926266 4/19/2011 Hydraulic Drive Apparatus Graig Wigness, Thomas J. Langenfeld & Shane A. Deters
7926624 4/19/2011 Cylinder Block Brake Michael W. Taylor
7927245 4/19/2011 Hydraulic Motor Apparatus Thomas J. Langenfeld & Raymond M. Hauser
7984662 7/26/2011 Vehicle Direction Sensing Mechanism Raymond Hauser, Lonnie E. Holder & Scott W. Keller
7988582 8/2/2011 Planet Brake Differential Raymond Hauser
8001883 8/23/2011 Return to Neutral Device for a Hydraulic Apparatus Thomas J. Langenfeld
8011678 9/6/2011 Steering System for a Zero-Turn Radius Vehicle Douglas W. Bell & Bryce E. Steenburg
8028520 10/4/2011 Center Section for a Hydraulic Drive Apparatus Kenneth J. Rawski
8042322 10/25/2011 Single Shaft Driven Multiple Output Vehicle Christopher K. Wyatt
8055399 11/8/2011 Control Systems and Methods for Electric Motors of Utility Vehicles Christopher K. Wyatt, Ivan E. Fox, David Jones & Robert Jones
8056333 11/15/2011 Pump and Engine Configuration Michael L. Bennett & Raymond Hauser
8057335 11/15/2011 Brake Actuation Assembly Thomas J. Langenfeld
8104277 1/31/2012 Pump Assembly Raymond Hauser & Scott W. Keller
8109747 2/7/2012 Drive System Having a Variable Output Gerotor Pump Nathan W. Bonny
8132588 3/13/2012 Valve Thomas J. Langenfeld & Scott E. Windhorst
8152183 4/10/2012 Steering System for a Zero-Turn Radius Vehicle Douglas W. Bell & Bryce E. Steenburg
8191343 6/5/2012 Systems and Methods for Cooling a Controller Assembly Raymond Hauser, Bruce E. Reid, Donald Rousser & Scott W. Keller
8196399 6/12/2012 Hydraulic Pump and Motor Module for Use in a Vehicle Raymond Hauser & Scott W. Keller
8207693 6/26/2012 Controller Assemblies for Electric Drive Utility Vehciles Raymond Hauser, Christopher K. Wyatt, Michael Todd, Donald Rousser, Ivan E. Fox & Josh Butler
8215109 7/10/2012 Dual Pump Apparatus with Power Take Off Raymond Hauser & Michael L. Bennett
8215110 7/10/2012 Drive Apparatus Michael L. Bennett & Scott W. Keller
8221276 7/17/2012 Hydraulic Motor Apparatus Thomas J. Langenfeld & Shane A. Deters
8226519 7/24/2012 Vehicle Drive and Control System Raymond Hauser, Christopher K. Wyatt, Lonnie E. Holder & Scott W. Keller
8227948 7/24/2012 Electric Motor Ivan E. Fox, Christopher K. Wyatt & Jim Hendershot
8234026 7/31/2012 Electric Drive Vehicle Control System Christopher K. Wyatt & Ivan E. Fox
8235858 8/7/2012 Gear Drive Thomas J. Langenfeld & Jesse L. Probst
8245509 8/21/2012 Zero Turn Transaxle Thomas J. Langenfeld, Matthew C. Roney, Shane A. Deters & Raymond Hauser
8250841 8/28/2012 Single Shaft Driven Multiple Output Vehicle Christopher K. Wyatt
8262109 9/11/2012 Steering System for a Zero-Turn Radius Vehicle Douglas W. Bell & Bryce E. Steenburg
8272315 9/25/2012 Dual Pump Raymond Hauser & Lonnie E. Holder
8296003 10/23/2012 Control Systems And Methods For Electric Motors Of Utility Vehicles Christopher K. Wyatt, Ivan E. Fox, David Jones & Robert Jones
8312948 11/20/2012 Dual Mechanical Brake Release For Electric Drive System Ryan Allen Carrington & William Howard Baker
8313408 11/20/2012 Drive Assembly Thomas J. Langenfeld
8327639 12/11/2012 Zero Turn Drive Apparatus Raymond Hauser & Lonnie E. Holder
8359853 1/29/2013 Drive Apparatus Having A Gear Reduction Raymond Hauser & Ryan S. Buescher
8381517 2/26/2013 Hydraulic Drive Apparatus Thomas J. Langenfeld & Shane A. Deters
8393236 3/12/2013 Modular Power Distribution And Drive System Raymond Hauser, Nathan W. Bonny & Michael L. Bennett
8418452 4/16/2013 Hydrostatic Transaxle Eric S. Phanco, Kenneth J. Rawski & William H. Ward
8443598 5/21/2013 Zero Turn Drive Apparatus Raymond Hauser & Lonnie E. Holder
8450953 5/28/2013 Controller Assemblies For Electric Drive Utility Vehicles Raymond Hauser, Christopher K. Wyatt, Ivan E. Fox, Josh Butler, Michael Todd & Donald Rousser
8459137 6/11/2013 Control Assembly for Drive System Kenneth Michael McCoy, Nathan W. Bonny & Michael L. Bennett
8464610 6/18/2013 Drive Device Thomas J. Langenfeld, Michael L. Bennett & Nathan W. Bonny
8465388 6/18/2013 Gear Drive Thomas J. Langenfeld & Jesse L. Probst
8468819 6/25/2013 Pump and Engine Configuration Michael L. Bennett & Raymond Hauser
8479418 7/9/2013 Drive Assembly Thomas J. Langenfeld
8499680 8/6/2013 Return To Neutral Device For A Hydraulic Apparatus Thomas J. Langenfeld
8517159 8/27/2013 Brake Actuation Assembly Thomas J. Langenfeld
8528325 9/10/2013 Pump Assembly Raymond Hauser
8534060 9/17/2013 Drive Device Michael L. Bennett, Thomas J. Langenfeld & Nathan W. Bonny
8548694 10/1/2013 Control Systems And Methods For Electric Motors Of Utility Vehicles Christopher K. Wyatt, Ivan E. Fox, David Jones & Robert Jones
8575800 11/5/2013 Electric Motor Ivan E. Fox, Christopher K. Wyatt & Jim Hendershot
8585534 11/19/2013 Vehicle Drive and Control System Raymond Hauser, Christopher K. Wyatt, Lonnie E. Holder & Scott W. Keller
8615976 12/31/2013 Electric Motor Clutch/Brake Assembly Raymond Hauser & Michael L. Bennett
8628448 1/14/2014 Gear Drive Thomas J. Langenfeld & Jesse L. Probst
8636616 1/28/2014 Drive Assembly Thomas J. Langenfeld
8668036 3/12/2014 Control Systems and Methods for Electric Drive Utility Vehicles Christopher K. Wyatt & Ivan E. Fox
8683796 4/1/2014 Variable Drive Apparatus Thomas J. Langenfeld & Shane A. Deters
8689551 4/8/2014 Hydrostatic Transaxle Eric S. Phanco & Kenneth J. Rawski
8695450 4/15/2015 Control Assembly for Drive System Kenneth Michael McCoy, Nathan W. Bonny & Michael L. Bennett