Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997652 | Device for producing deep-hole borings in workpieces having a convex surface | Andreas Quak | 2006-02-14 |
| 6382934 | Reversing valve for a compressed air membrane pump | — | 2002-05-07 |
| 5438913 | Diaphragm for a pump with pressurized bead | — | 1995-08-08 |
| 5261798 | Double membrane pump | — | 1993-11-16 |
| 5222876 | Double diaphragm pump | — | 1993-06-29 |
| 4406596 | Compressed air driven double diaphragm pump | — | 1983-09-27 |