MR

Matthew C. Roney

HP Hydro-Gear Limited Partnership: 17 patents #17 of 96Top 20%
JD John Deere: 1 patents #2,957 of 5,518Top 55%
📍 Sullivan, IL: #6 of 51 inventorsTop 15%
🗺 Illinois: #4,396 of 84,256 inventorsTop 6%
Overall (All Time): #254,973 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
D900886 Row unit crop guides Charles F. Ostermeier, Joel M. Schreiner 2020-11-03
8245509 Zero turn transaxle Thomas J. Langenfeld, Shane A. Deters, Raymond Hauser 2012-08-21
7841176 Zero turn transaxle Thomas J. Langenfeld, Shane A. Deters, Raymond Hauser 2010-11-30
7568497 Combined check valve and pressure relief valve Thomas J. Langenfeld, Robert E. Trimble 2009-08-04
7454908 Zero turn transaxle Thomas J. Langenfeld, Shane A. Deters, Raymond Hauser 2008-11-25
7412828 Adjustable hydraulic motor apparatus Michael L. Bennett, Thomas J. Langenfeld, Raymond Hauser 2008-08-19
7367353 Combined check valve and pressure relief valve Thomas J. Langenfeld, Robert E. Trimble 2008-05-06
7308790 Adjustable hydraulic motor apparatus Michael L. Bennett, Scott E. Windhorst, Thomas J. Langenfeld, Raymond Hauser 2007-12-18
7258134 Combination check valve and pressure rise rate valve Thomas J. Langenfeld 2007-08-21
7225617 Bypass mechanism for a hydraulic drive apparatus Thomas J. Langenfeld, Shane A. Deters, Daryl Smothers, J. David Pratt, Raymond Hauser 2007-06-05
7127889 Zero turn transaxle Michael L. Bennett, Thomas J. Langenfeld, Shane A. Deters 2006-10-31
7081061 Hydraulic motor apparatus Thomas J. Langenfeld, Raymond Hauser 2006-07-25
7047736 Zero turn transaxle Thomas J. Langenfeld, Shane A. Deters, Daryl Smothers, J. David Pratt, Raymond Hauser 2006-05-23
7028708 Combined check valve and pressure relief valve Thomas J. Langenfeld, Robert E. Trimble 2006-04-18
6997839 Hydraulic motor apparatus Thomas J. Langenfeld, Raymond Hauser 2006-02-14
6843056 Zero turn transaxle Thomas J. Langenfeld, Shane A. Deters, Daryl Smothers, J. David Pratt, Raymond Hauser 2005-01-18
6811510 Hydraulic motor apparatus and vehicle Thomas J. Langenfeld, Raymond Hauser 2004-11-02
6672058 Zero turn transaxle Thomas J. Langenfeld, Shane A. Deters, Daryl Smothers, Raymond Hauser 2004-01-06