Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800131 | Process for regulating the capacity of lubricant pumps and lubricant pump therefor | Uwe Lehmann, Maik Wilhelm | 1998-09-01 |
| 5775881 | Oil supply system | — | 1998-07-07 |
| 5704386 | Multistage regulating valve | Uwe Lehmann, Maik Wilhelm | 1998-01-06 |
| 5690479 | Multi-stage regulator for variable displacement pumps | Uwe Lehmann, Maik Wilhelm | 1997-11-25 |
| 5484271 | Compact controllable vane pump | — | 1996-01-16 |
| 5156504 | Machine tool fluid-feed assembly with distributing valve | Reiner Lindroth | 1992-10-20 |
| 5080401 | Rotary coupling for fluid between stationary and rotating machine parts | — | 1992-01-14 |
| 4844124 | Hydrostatic rotary connector with pressure-equalizing or compensating element | Slawomir Adamowicz | 1989-07-04 |
| 4726397 | Pressure-actuated fluid-flow coupling between relatively rotating members | — | 1988-02-23 |
| 4664145 | Device for delivering a pressurized medium to a rotatable part | Ernst Hassler, Ivan J. Cyphelly | 1987-05-12 |
| 4593715 | Hydraulic controllable two-port valve for a liquid stream | Ernst Hassler, Slawomir Adamowicz, Ivan J. Cyphelly | 1986-06-10 |
| 4549862 | Hydraulic pump for low-viscosity pumping media | Ernst Hassler, Ivan J. Cyphelly | 1985-10-29 |
| 4538974 | Vane-type oil pump for automotive vehicle | Ernst Hassler, Slawomir Adamowicz | 1985-09-03 |
| 4386892 | Hydrostatic meshing gear machine with arcuate tooth flanks | Horst Fischer, Helmut Schulz | 1983-06-07 |