Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5564674 | Valve actuated by its own medium | Rudolf Kalin, Bruno Thomann | 1996-10-15 |
| 4986512 | Servo piston valve | — | 1991-01-22 |
| 4977925 | Safety valve | — | 1990-12-18 |
| 4913400 | Double disk gate valve | — | 1990-04-03 |
| 4697619 | Solenoid valve having a power amplifier | — | 1987-10-06 |
| 4603710 | Non-return valve | — | 1986-08-05 |
| 4412671 | Plate valve | — | 1983-11-01 |
| 4278619 | Steam throttle valve | — | 1981-07-14 |