Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567338 | Cup-shaped switch contact member for an electric vacuum switch | — | 1986-01-28 |
| 4497990 | Vacuum switch tube | Gunter Bialkowski | 1985-02-05 |
| 4453054 | Contact apparatus for vacuum switches | Gunter Bialkowski | 1984-06-05 |
| 4438307 | Electric vacuum switch | Hans-Joachim Lippmann, Hans Bettge | 1984-03-20 |
| 4334133 | Contact arrangement for vacuum switches | Rudolf Gebel, Heinrich Schindler, Jurgen-Dietrich Welly | 1982-06-08 |
| 4306129 | Low voltage contactor switch with three-phase contact bank | Guenter Bialkowski | 1981-12-15 |
| 4243859 | Vacuum switch | — | 1981-01-06 |