Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D487405 | Apparatus for smoke alarm having a hood and an industrial socket | — | 2004-03-09 |
| D475942 | Smoke alarm | — | 2003-06-17 |
| D472488 | Smoke alarm | — | 2003-04-01 |
| D453304 | Smoke alarm | — | 2002-02-05 |
| 6112820 | Spray nozzle for fire extinguishing devices | Christian Schnoor | 2000-09-05 |
| 6076609 | Pull rope shortening device for fire extinguishing units | — | 2000-06-20 |
| 5927890 | Thermally released separation device, particularly for fire protection systems | Christian Schnoor, Christian Bergmann | 1999-07-27 |
| 4796710 | Glass bulb for sprinkler heads | — | 1989-01-10 |