Franz Forster
60Patents
16h-index
16Co-inventors
81Inventor score
Filing activity: Jul 1, 1974 → Apr 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4145883A | Hydrostatic transmission for tractors and the like | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US4252508A | Pump unit | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5354180A | Hydrostatic assembly having multiple pumps | Performing Operations; Transporting | 38 | Expired |
| US4534271A | Dual machine aggregates with a connection for a consumer of mechanical energy | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5398776A | Wheel hub drive | Performing Operations; Transporting | 29 | Expired |
| US6248037A | Hydrostatic motor unit | Performing Operations; Transporting | 25 | Expired |
| US5397281A | Shiftable planetary transmission | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6135259A | Hub drive | Performing Operations; Transporting | 23 | Expired |
| US6663354B2 | Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5528978A | Hydromechanical drive assembly | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5813938A | Wheel mounting hub system | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4449444A | Axial piston pumps | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| USD735099S1 | Steering wheel | General | 18 | Active |
| US5704274A | Axial piston machine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4896585A | Adjustable axial piston machine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7247117B2 | Drive axle with a work drive that can be driven by the electric motor of a traction drive | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6048179A | Module with an electric generator and a pump unit | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4142452A | Axial-piston machine with inclinable control surface | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| USD766147S1 | Steering wheel | General | 15 | Active |
| US7083014B2 | Drive device for a machine with a traction drive system and a hydraulic work system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5699715A | Piston for a reciprocating piston machine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4283962A | Spring return mechanism for axial piston machines | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4893549A | Adjustable axial piston machine having a bent axis design | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US3962608A | Apparatus for holding and cooling electronic circuit boards in remote-controlled typewriters | Performing Operations; Transporting | 14 | Expired |
| US5738000A | Axial piston machine with guides for the pistons contained therein | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.