Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8264810 | Electrically assisted safing of a linear actuator to provide shock tolerance | Alvin R. Zemlicka, Richard F. Schmerda | 2012-09-11 |
| 7057311 | Isolation contactor assembly having independently controllable contactors | Xin Zhou, Michael T. Little, James J. Kinsella, Jan Walker, James Becker | 2006-06-06 |
| 7034644 | Non-contact auxiliary switch and electric power apparatus incorporating same | Peter K. Moldovan, Michael R. Larsen, Paul J. Rollmann, Xin Zhou, John Robert Skibinski +1 more | 2006-04-25 |
| 6867670 | Circuit breaker with auxiliary switches and mechanisms for operating same | James Michael McCormick, Michael Walz, Peter Nerstrom, Thomas M. Hall, Paul J. Rollmann | 2005-03-15 |
| 6864765 | Circuit breaker | Paul J. Rollmann, Thomas M. Hall, Peter Nerstrom, Michael Walz, Peter K. Moldovan | 2005-03-08 |
| 6853524 | Vacuum arc interrupter having a tapered conducting bullet assembly | Mark A. Juds, Francis Christopher Edrozo, Mary Jo Johnson Vander Heiden, Peter J. Theisen, Francois Jean Machand +1 more | 2005-02-08 |
| 6710688 | Circuit breaker | Paul J. Rollmann, Thomas M. Hall, Peter Nerstrom, Michael Walz, Peter K. Moldovan | 2004-03-23 |
| 6639492 | Indicator reset tool, and circuit breaker and method employing the same | Thomas M. Hall, Michael Walz, Peter Nerstrom, James Michael McCormick, Paul J. Rollmann +1 more | 2003-10-28 |
| 6541727 | Molded case circuit breaker including vacuum switch assembly | H. Richard Beck, Douglas C. Marks, R. Michael Slepian, Kevin S. Sprinker | 2003-04-01 |
| 6542056 | Circuit breaker having a movable and illuminable arc fault indicator | Peter Nerstrom, Paul J. Rollmann, Thomas M. Hall, Steven Christopher Schmalz | 2003-04-01 |
| 6522228 | Circuit breaker including an arc fault trip actuator having an indicator latch and a trip latch | Peter Nerstrom, Mark A. Juds, Paul J. Rollmann, Thomas M. Hall | 2003-02-18 |
| 6356423 | Soild state protection circuit for electrical apparatus | Jerome K. Hastings, Karen Sjaarda Bland, James E. Hansen, Scott A. Reid, David J. Gritter +4 more | 2002-03-12 |
| 6307453 | Circuit breaker with instantaneous trip provided by main conductor routed through magnetic circuit of electronic trip motor | Paul J. Rollmann, Peter K. Moldovan, Mark A. Juds | 2001-10-23 |
| 6225883 | Circuit breaker with latch and toggle mechanism operating in perpendicular planes | Paul J. Rollmann, Peter K. Moldovan, Thomas M. Hall, Steven Christopher Schmalz, Michael Walz +2 more | 2001-05-01 |
| 6072136 | Electrical switching apparatus with modular operating mechanism for mounting and controlling large compression close spring | Henry A. Wehrli, III, Raymond Clyde Doran | 2000-06-06 |
| 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, Michael R. Larsen, Peter J. Theisen, Donald A. Link | 1997-03-04 |
| 5517164 | Molded case circuit breaker having movable contact finger releasably locked to an operating mechanism | Walter M. Zoller, Donald A. Link, Michael R. Larsen, David S. Hunter, Peter J. Theisen | 1996-05-14 |
| 5319169 | Molded case circuit breaker having rectangular knee pin non-rotatably keyed to toggle linkage | Donald A. Link, Michael R. Larsen | 1994-06-07 |
| 5302788 | Molded case circuit breaker having trapezoidally shaped shaft | Donald A. Link, Michael R. Larsen | 1994-04-12 |
| 5278531 | Molded case circuit breaker having housing elements | Donald A. Link, Michael R. Larsen, Peter J. Theisen | 1994-01-11 |
| 5266760 | Molded case circuit breaker | Donald A. Link, Michael R. Larsen, Peter J. Theisen | 1993-11-30 |
| 5258733 | Molded case circuit breaker having improved trip unit | Donald A. Link, Michael R. Larsen, Peter J. Theisen | 1993-11-02 |
| 5258729 | Case circuit breaker having improved attachment means for accessory devices and accessory devices therefor | Donald A. Link, Michael R. Larsen, Peter J. Theisen, Richard G. Smith | 1993-11-02 |
| 4527982 | Body coordination training aid | Norman P. Salzman | 1985-07-09 |
| 4413985 | Hydrocephalic antenatal vent for intrauterine treatment (HAVIT) | Maria Michejda, Gary D. Hodgen | 1983-11-08 |