Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336006 | Gear positive displacement machine with gaps between bearing members and housing | Kurt Grabow, Karl-Heinz Muller, Heinrich Kochendorfer, Dieter Bertsch, Siegfried Mayer +2 more | 1982-06-22 |
| 4309158 | Gear positive displacement machine with U-shaped supporting element for sealing member | Kurt Grabow, Karl-Heinz Muller, Heinrich Kochendorfer, Dieter Bertsch, Siegfried Mayer +2 more | 1982-01-05 |