Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504561 | Fire extinguishing system valve, in particular wet alarm valve, dry alarm valve or spray water valve and control module for the same and fire extinguishing system utilizing the same | Frank Stachowitz, Eduard Engelsman | 2022-11-22 |
| 11406856 | Fire extinguishing system valve | Frank Stachowitz | 2022-08-09 |
| 11291872 | Fire extinguishing system valve, and fire extinguishing system having same | Frank Stachowitz | 2022-04-05 |
| 11278754 | Dry alarm valve station and fire-extinguishing facility comprising same | Frank Stachowitz | 2022-03-22 |