Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697443 | Exhaust air conduit for a coating agent pump | Kevin Wayne Preuss, Ralf Schafer | 2020-06-30 |
| 9662673 | Coating agent pump | Bjorn Schenke, Ralf Schafer | 2017-05-30 |
| 6350285 | Implant holder | Josef Hannappel, Juergen Reuter, Dorothea Rohrmann | 2002-02-26 |
| 6197005 | Check valve, in particular for use in an implantable artificial bladder | Josef Hannappel, Juergen Reuter, Dorothea Rohrmann | 2001-03-06 |
| 4819702 | Apparatus for charging a filler connection | — | 1989-04-11 |
| 4558985 | Pump with screw conveyors on each end | Alfred Fischer, Claus Freimuth, Gerhard Siefert | 1985-12-17 |