Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7845915 | Rotary pump | — | 2010-12-07 |
| 7055644 | Power steering system with hydraulic power assistance | — | 2006-06-06 |
| 6254358 | Positive-displacement pump | — | 2001-07-03 |
| 6179157 | Container | — | 2001-01-30 |
| 6095773 | Vane cell pump | — | 2000-08-01 |
| 6033190 | Flat faced bearing housing engaging flat faced pump rotor housing | — | 2000-03-07 |
| 6004110 | Displacement pump | Ralf Steindl, Uwe Zellner | 1999-12-21 |
| 5800135 | Sliding vane pump using a drive shaft as a flow divider for enhanced oil circulation | — | 1998-09-01 |
| 5795142 | Hydraulically balanced vane cell pump | Masao Yasuda | 1998-08-18 |
| 5466135 | Rotary vane-cell pump | Gunter Draskovits | 1995-11-14 |
| 5086942 | Cover with locking device | Josef Schmid, Eckard Keicher | 1992-02-11 |
| 4752195 | Rotary vane type of pump with elongated damping chambers | Peter Friedrich | 1988-06-21 |
| 4709666 | Regulatable fan drive | — | 1987-12-01 |
| 4676333 | Servo steering for vehicles | — | 1987-06-30 |
| 4553908 | High pressure pump with a flow control valve | — | 1985-11-19 |
| 4516784 | Seal assembly with radially undulated sealing element | — | 1985-05-14 |
| 4443169 | Gear pump | — | 1984-04-17 |
| 4437819 | Controllable vane pump | — | 1984-03-20 |
| 4416598 | Rotary vane pump with pressure biased flow directing end plate | — | 1983-11-22 |
| 4385870 | Radial piston pump | — | 1983-05-31 |
| 4380272 | Oil reservoir particularly for hydraulic steering system | — | 1983-04-19 |
| 4344717 | Means for mutual positioning of members | — | 1982-08-17 |
| 4310289 | Hydraulically operated steering system with pressure control | — | 1982-01-12 |