Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243313 | Tractive magnet with asymmetric permanent air gap | — | 1993-09-07 |
| 4833565 | Electromagnetic contactor with algorithm controlled closing system | James A. Bauer, Denis A. Mueller, Joseph C. Engel | 1989-05-23 |
| 4672156 | Vacuum interrupter with bellows shield | — | 1987-06-09 |
| 4559511 | Vacuum contactor having DC electromagnet with improved force watts ratio | Walter V. Bratkowski | 1985-12-17 |
| 4544817 | Vacuum contactor with kickout spring | — | 1985-10-01 |
| 4504808 | Vacuum contactor kickout spring adjustment apparatus | — | 1985-03-12 |
| 4485366 | Mechanical interlock mechanism for a vacuum contactor | — | 1984-11-27 |
| 4479042 | Contact overtravel adjustment apparatus for a vacuum contactor | — | 1984-10-23 |