TL

Thomas J. Langenfeld

HP Hydro-Gear Limited Partnership: 94 patents #2 of 96Top 3%
📍 Sullivan, IL: #2 of 51 inventorsTop 4%
🗺 Illinois: #194 of 84,256 inventorsTop 1%
Overall (All Time): #16,128 of 4,157,543Top 1%
95
Patents All Time

Issued Patents All Time

Showing 26–50 of 95 patents

Patent #TitleCo-InventorsDate
9410631 Valve 2016-08-09
9371865 Drive device Michael L. Bennett 2016-06-21
9371842 Hydraulic motor having a dual brake system 2016-06-21
9328611 Return to neutral device for a hydraulic apparatus 2016-05-03
9163724 Transaxle having dual brake system 2015-10-20
9139086 Drive assembly Nathan W. Bonny 2015-09-22
9109684 Drive device Michael L. Bennett, Nathan W. Bonny 2015-08-18
9021799 Hydraulic motor assembly Michael W. Taylor, Heath F. McCormick, Nathan W. Bonny 2015-05-05
8931268 Transaxle fluid expansion and contraction accommodation apparatus 2015-01-13
8919116 Variable drive apparatus Shane A. Deters 2014-12-30
8820066 Steerable transaxle 2014-09-02
8683796 Variable drive apparatus Shane A. Deters 2014-04-01
8636616 Drive assembly 2014-01-28
8628448 Gear drive Jesse L. Probst 2014-01-14
8534060 Drive device Michael L. Bennett, Nathan W. Bonny 2013-09-17
8517159 Brake actuation assembly 2013-08-27
8499680 Return to neutral device for a hydraulic apparatus 2013-08-06
8479418 Drive assembly 2013-07-09
8465388 Gear drive Jesse L. Probst 2013-06-18
8464610 Drive device Michael L. Bennett, Nathan W. Bonny 2013-06-18
8381517 Hydraulic drive apparatus Shane A. Deters 2013-02-26
8313408 Drive assembly 2012-11-20
8245509 Zero turn transaxle Matthew C. Roney, Shane A. Deters, Raymond Hauser 2012-08-21
8235858 Gear drive Jesse L. Probst 2012-08-07
8221276 Hydraulic motor apparatus Shane A. Deters 2012-07-17