Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611633 | Expansion hose for reduction of pressure pulsations | Claus-Peter Schopke, Rolf Warnecke | 1986-09-16 |
| 4457679 | Vane pump with unilateral bearing | Rolf Warnecke | 1984-07-03 |
| 4360326 | Oil lubricated vacuum pump including an oil separator disposed adjacent of its suction opening | Rolf Warnecke | 1982-11-23 |
| 4231727 | Vacuum producing rotary vane pump with shaft lubrication | Rolf Warnecke, Alfred Beier | 1980-11-04 |