FP

Frederic W. Pollman

SA Sauer-Danfoss: 13 patents #2 of 141Top 2%
SU Sundstrand: 13 patents #21 of 697Top 4%
HP Hydro-Gear Limited Partnership: 5 patents #44 of 96Top 50%
SG Sauer Gmbh: 1 patents #34 of 59Top 60%
📍 Ames, IA: #14 of 1,427 inventorsTop 1%
🗺 Iowa: #204 of 15,303 inventorsTop 2%
Overall (All Time): #94,818 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4476680 Pressure override control Stanley W. Crull 1984-10-16
4462210 Input torque control for a variable displacement hydraulic transmission Jimmy W. Bolinger, David Reynolds 1984-07-31
4426194 Viscosity compensating circuits 1984-01-17
4419610 Reversible regenerating electric vehicle drive 1983-12-06
4401182 Variable displacement hydraulic drive with disconnect 1983-08-30
4399886 Controls for variable displacement motor and motors 1983-08-23
4352367 Electro-hydraulic control structure 1982-10-05
4341131 Hydromechanical transmissions 1982-07-27
4306467 Hydromechanical transmissions 1981-12-22
4246806 Multi-mode hydromechanical transmission shift system David Reynolds 1981-01-27
4232572 Engine-transmission control system William A. Ross 1980-11-11