Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608367 | Molded case circuit breaker with interchangeable trip unit having bimetal assembly which registers with permanent heater transformer airgap | Walter M. Zoller, David S. Hunter, Edward L. Wellner, Michael R. Larsen, Peter J. Theisen | 1997-03-04 |
| 5517164 | Molded case circuit breaker having movable contact finger releasably locked to an operating mechanism | Walter M. Zoller, Michael R. Larsen, David S. Hunter, Edward L. Wellner, Peter J. Theisen | 1996-05-14 |
| 5488337 | Circuit breaker with distribution lug terminal having trapped insulator | Dean A. Hubbard, David S. Hunter | 1996-01-30 |
| 5319169 | Molded case circuit breaker having rectangular knee pin non-rotatably keyed to toggle linkage | Michael R. Larsen, Edward L. Wellner | 1994-06-07 |
| 5313033 | Molded case circuit breaker having changing pivot locations for the operating handle | Michael R. Larsen | 1994-05-17 |
| 5302788 | Molded case circuit breaker having trapezoidally shaped shaft | Michael R. Larsen, Edward L. Wellner | 1994-04-12 |
| 5278531 | Molded case circuit breaker having housing elements | Michael R. Larsen, Peter J. Theisen, Edward L. Wellner | 1994-01-11 |
| 5266760 | Molded case circuit breaker | Michael R. Larsen, Peter J. Theisen, Edward L. Wellner | 1993-11-30 |
| 5258733 | Molded case circuit breaker having improved trip unit | Michael R. Larsen, Peter J. Theisen, Edward L. Wellner | 1993-11-02 |
| 5258729 | Case circuit breaker having improved attachment means for accessory devices and accessory devices therefor | Michael R. Larsen, Peter J. Theisen, Edward L. Wellner, Richard G. Smith | 1993-11-02 |
| 4937704 | Panel rejection feature for twin circuit breaker | Dean A. Hubbard, Michael R. Larsen | 1990-06-26 |
| 4929919 | Twin unit circuit breaker with improved magnet structure | Dean A. Hubbard, Michael R. Larsen | 1990-05-29 |
| 4825338 | Bolt-in circuit breaker with improved terminal fastener retainer | Dean A. Hubbard, Michael R. Larsen | 1989-04-25 |
| 4527027 | Molded case circuit breaker with improved high fault current interruption capability | John A. Swessel, Jr., Peter J. Theisen | 1985-07-02 |
| 4511772 | Arc extinguishing structure for electrical switching device | John A. Swessel, Jr., Peter J. Theisen | 1985-04-16 |
| 4470027 | Molded case circuit breaker with improved high fault current interruption capability | John A. Swessel, Jr., Peter J. Theisen | 1984-09-04 |
| 4446503 | Electrical panelboard with main breaker hold-down | John A. Swessel, Jr. | 1984-05-01 |