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 1–25 of 95 patents

Patent #TitleCo-InventorsDate
11346439 Electric motor and gear assembly Nathan W. Bonny 2022-05-31
11338669 Electric motor and gear assembly 2022-05-24
11235661 Electric drive assembly Nathan W. Bonny 2022-02-01
11215275 Fluid expansion tank Scott W. Keller 2022-01-04
11118680 Steerable transaxle 2021-09-14
10899221 Vent for a hydraulic drive device 2021-01-26
10876596 Electric motor with compound planetary gear drive Nathan W. Bonny 2020-12-29
10793002 Drive apparatus 2020-10-06
10539163 Transaxle having dual brake system 2020-01-21
10480142 Drive device 2019-11-19
10451171 Fluid expansion tank Scott W. Keller 2019-10-22
10352421 Hydrostatic transmission 2019-07-16
10337608 Steerable transaxle 2019-07-02
10166864 Drive apparatus 2019-01-01
10059313 Hydraulic motor having a dual brake system 2018-08-28
9976640 Drive assembly Nathan W. Bonny 2018-05-22
9914350 Drive device Michael L. Bennett, Nathan W. Bonny 2018-03-13
9879671 Hydraulic motor assembly Michael W. Taylor, Heath F. McCormick, Nathan W. Bonny 2018-01-30
9816536 Transaxle having dual brake system 2017-11-14
9802646 Vehicle with steering mechanism 2017-10-31
9664270 Hydrostatic transmission 2017-05-30
9610840 Steerable transaxle 2017-04-04
9598103 Steerable transaxle Ryan S. Buescher 2017-03-21
9469191 Transaxle fluid expansion and contraction accommodation apparatus 2016-10-18
9408344 Three wheeled vehicle 2016-08-09