Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830347 | Cleaning mechanism for a fluid filter | — | 1998-11-03 |
| 5363875 | Hydraulic disconnector | — | 1994-11-15 |
| 4895180 | Anti-backflow valve | — | 1990-01-23 |
| 4500036 | Actuating mechanism | — | 1985-02-19 |
| 4452184 | Boiler draft control device | — | 1984-06-05 |
| 4294402 | Control devices for heaters | — | 1981-10-13 |
| 4232817 | Adjustment control for a thermostatic valve | Bernhard W. Braukmann | 1980-11-11 |