Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975115 | Pressure control valve | Helmut Schwegler, Roland Hoepft, Ludwig Baechle, Thomas Gregorius | 1999-11-02 |
| 5785080 | Pressure-regulating valve | — | 1998-07-28 |
| 4996963 | Pressure regulating device | Siegfried Fehrenbach, Wolfgang Schulz, Eberhard Utz | 1991-03-05 |
| 4883088 | Pressure regulating apparatus | — | 1989-11-28 |
| 4763635 | Discharge system for introducing volatilized fuel into an internal combustion engine | Lutz Ballhause, Siegfried Fehrenbach, Erwin Krimmer, Wolfgang Schulz | 1988-08-16 |
| 4741315 | Pressure regulating apparatus | Siegfried Fehrenbach | 1988-05-03 |
| 4729360 | Damper element | Siegfried Fehrenbach, Wolfgang Golderer, Erwin Krimmer, Paul M. Schmid, Wilhelm Sorg +1 more | 1988-03-08 |
| 4679537 | Damping device | Siegfried Fehrenbach, Wolfgang Schulz, Eberhard Utz | 1987-07-14 |
| 4615320 | Damper element | Siegfried Fehrenbach, Wolfgang Schulz, Eberhard Utz | 1986-10-07 |
| 4497437 | Control device with a bimetallic element unilaterally fastened in a housing | Siegfried Fehrenbach, Eberhard Utz | 1985-02-05 |
| 4431026 | Pressure control valve | Siegfried Fehrenbach, Eberhard Utz | 1984-02-14 |
| 4327767 | Pressure control valve | Siegfried Fehrenbach, Eberhard Utz | 1982-05-04 |