JS

John Schreier

HP Hydro-Gear Limited Partnership: 28 patents #10 of 96Top 15%
PI Polaris Industries: 7 patents #106 of 746Top 15%
📍 Litchfield, MN: #3 of 107 inventorsTop 3%
🗺 Minnesota: #1,581 of 52,454 inventorsTop 4%
Overall (All Time): #98,294 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
6223531 Housing and center section for hydrostatic transmission Raymond Hauser, Lonnie E. Holder, Ronald Sporrer, Michael L. Bennett 2001-05-01
6152846 Integrated hydrostatic transaxle with controlled traction differential Matthew Hansen, Todd Horton, Ron Sporrer 2000-11-28
5984822 Integrated hydrostatic transaxle with controlled traction differential Matthew Hansen, Todd Horton, Ron Sporrer 1999-11-16
5899826 Controlled traction cartridge and differential Matthew Hansen, Todd Horton 1999-05-04
5897452 Integrated hydrostatic transaxle with controlled traction differential Matthew Hansen, Todd Horton, Ron Sporrer 1999-04-27
5894783 Hydrostatic transmission swash plate assembly Raymond Hauser 1999-04-20
5863271 Controlled traction cartridge and differential Matthew Hansen, Todd Horton 1999-01-26
5628189 Charge pump for axle driving apparatus including hydrostatic transmission Ray M. Hauser, Daryl Smothers 1997-05-13
5557931 Charge pump for axle driving apparatus including hydrostatic transmission Ray M. Hauser, Daryl Smothers 1996-09-24
5555727 Auxiliary pumps for axle driving apparatus including hydrostatic transmission Ray M. Hauser, Daryl Smothers 1996-09-17