Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780789 | Method for generating circuit-breaking signals | Robert Kugler | 1988-10-25 |
| 4761706 | Method for generating a tripping signal as a function of the magnitude and the duration of an overcurrent | Helmut Fornsel | 1988-08-02 |
| 4740860 | Method for generating a tripping signal as a function of the magnitude and duration of an overcurrent | Helmut Fornsel | 1988-04-26 |
| 4616324 | Digital overcurrent tripping arrangement | — | 1986-10-07 |