Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074972 | System and method of controlling current-limiters in ring systems | Ralf Bockholt, Volker Grafe | 2018-09-11 |
| 8628058 | Shut-off valve for plumbing applications | — | 2014-01-14 |
| 7845371 | Gas connector socket with cover | — | 2010-12-07 |
| 7075767 | Fault current limiting system and method | Carlo Gemme, Richard Tinggren, Lars Liljestrand | 2006-07-11 |
| 5277576 | Gas burner | Heinz Somer | 1994-01-11 |
| 4811732 | Protective breathing apparatus having breathing air circulation | — | 1989-03-14 |