Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061217 | Electrical switching apparatus employing twice-energized trip actuator | Kurt A. Grunert, William E. Beatty, Jr., David H. Groves, David Olszewski, James P. Ellsworth +1 more | 2000-05-09 |
| 5927484 | Circuit breaker with welded contact interlock, gas sealing cam rider and double rate spring | Richard Paul Malingowski, Todd M. Lathrop, Robert Michael Slepian, Lance Gula, Thomas A. Whitaker | 1999-07-27 |
| 5910760 | Circuit breaker with double rate spring | Richard Paul Malingowski, Todd M. Lathrop, Robert Michael Slepian, Lance Gula, Thomas A. Whitaker | 1999-06-08 |
| 5565827 | Circuit breaker with current conducting blow open latch | Lance Gula, Joseph F. Changle | 1996-10-15 |
| 5260676 | Dual wound trip solenoid | Umesh C. Patel | 1993-11-09 |
| 5057806 | Crossbar assembly | Lance Gula, Glenn R. Thomas | 1991-10-15 |
| 4996507 | CT quick change assembly and force transmitting spacer | Glenn R. Thomas, Lance Gula, William E. Beatty, Jr. | 1991-02-26 |
| 4933653 | Circuit breaker with low current magnetic trip | Stephen A. Mrenna, Melvin A. Carrodus, Kurt A. Grunert | 1990-06-12 |
| 4890081 | CT quick change assembly | William E. Beatty, Jr., Glenn R. Thomas | 1989-12-26 |
| 4887057 | Cam roll pin assembly | Lance Gula | 1989-12-12 |
| 4699763 | Circuit breaker contact containing silver and graphite fibers | Semahat D. Sinharoy, Norman S. Hoyer | 1987-10-13 |
| 4679018 | Circuit breaker with shock resistant latch trip mechanism | Glenn R. Thomas | 1987-07-07 |
| 4656444 | Circuit breaker with force generating shunt | Glenn R. Thomas, Charles E. Haugh, Lance Gula | 1987-04-07 |
| 4644121 | Circuit breaker contact arm with variable force pivot | John P. Majcher, William E. Smith, Donald E. Schlosser | 1987-02-17 |
| 4638277 | Circuit breaker with blow open latch | Glenn R. Thomas | 1987-01-20 |
| 4626811 | Circuit interrupter with integral resilient stop means for contact arm | William I. Stephenson, Jr., Donald E. Schlosser | 1986-12-02 |
| 4489295 | Circuit interrupter with improved electro-mechanical undervoltage release mechanism | James N. Altenhof, Jr., William E. Beatty, Jr. | 1984-12-18 |