Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12025145 | Method for manufacturing a propeller for a propeller pump, and propeller for a propeller pump | Abdulaleem Albadawi | 2024-07-02 |
| 10495092 | Pump for conveying waste water as well as impeller and base plate for such a pump | Kais Haddad | 2019-12-03 |
| 10330119 | Method for the positioning of a cover disk of a pump and pump | — | 2019-06-25 |
| D694266 | Pump impeller | Kais Haddad | 2013-11-26 |
| 8063668 | Output stage, amplifier control loop and use of the output stage | Erwin Krug | 2011-11-22 |
| 7460841 | Circuit arrangement and method for compensating for abrupt signal level changes in amplification devices | Frank Fischer, Erwin Krug, Bernd Pflaum | 2008-12-02 |
| 7417506 | Amplifier having switchable negative feedback | Walter Zimmermann | 2008-08-26 |
| 5230404 | Erection scaffolding which is movable in an elevator shaft for the mounting of shaft equipment | — | 1993-07-27 |
| 5228753 | Process for producing bristle materials | Wolfgang Wiedemann, Hans Georg Klinger | 1993-07-20 |
| 4942945 | Brake cylinder | Hans Rocholl | 1990-07-24 |
| 4865166 | Assembly and disassembly system with a spring retaining member for a brake actuation unit | Hans Rocholl | 1989-09-12 |
| 4833975 | Integrated manual brake device | Hans Rocholl | 1989-05-30 |
| 4793332 | Handle for a mouth wash device | — | 1988-12-27 |
| 4785717 | Brake actuation unit with slack adjustment | Hans Rocholl | 1988-11-22 |
| 4762373 | Process for rounding the bristle tips of toothbrushes and toothbrushes prepared by this process | Walter Amos | 1988-08-09 |
| 4617695 | Toothbrush | Walter Amos | 1986-10-21 |
| 4506400 | Electrically operated toothbrush | — | 1985-03-26 |