Thomas J. Langenfeld

HP Hydro-Gear Limited Partnership: 5 patents #2 of 12Top 20%

📍 Sullivan, IL: #2 of 5 inventorsTop 40%

🗺 Illinois: #450 of 9,120 inventorsTop 5%

Overall (2019): #29,132 of 560,194Top 6%

Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
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