Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10903830 | Short-circuit protection for a power semiconductor device | John Herman Blakely, Daniel J. Conti, Edward C. Prather, Brian C. Langford, Ronald D. Hreha +1 more | 2021-01-26 |
| 8537018 | Refrigeration system management and information display | Richard H. Bair, III, Michael W. Brown | 2013-09-17 |
| 6738243 | Apparatus and method for servicing a distribution bus | Francois Marchand, James L. Lagree, Joseph J. Matsko, Richard A. Johnson | 2004-05-18 |
| 6373358 | Power circuit breaker having molded insulative casing with a dead front | Francois Marchand, Walter O. Jenkins, Paul T. Bottegal | 2002-04-16 |
| 6373015 | Integral load connector module | Francois Marchand, George A. Hodkin, Trevor B. Marshall, Peter J. Theisen | 2002-04-16 |
| 6362445 | Modular, miniaturized switchgear | Francois Marchand, George A. Hodkin, Trevor Brian Marshal, Peter J. Theisen | 2002-03-26 |
| 6326872 | Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism | Francois Marchand, Robert J. Rinefierd, Jr., Glenn A. Calhoon, Walter O. Jenkins | 2001-12-04 |
| 6242708 | Isolator switch | Francois Marchand, George A. Hodkin, Trevor B. Marshall, Peter J. Theisen | 2001-06-05 |
| 5927482 | Insulative cover for electrical switching apparatus for electric power distribution systems | — | 1999-07-27 |
| 5726367 | Apparatus and method for testing spring powered switches | Nagar J. Patel, James Jeffery Benke, Michael Valenta | 1998-03-10 |
| 5359174 | Thermally conductive, insulating, arc-quenching coating compositions for current interrupters | James D. B. Smith, John J. Shea, William R. Crooks | 1994-10-25 |
| 5200585 | Drawout switchgear with improved levering-in mechanism and interlock | Stanislaw A. Milianowicz, Nagar J. Patel, Edward J. Klimek | 1993-04-06 |
| 5023583 | Circuit breaker contact operating structure | Walter V. Bratkowski, Daun Bhasavanich | 1991-06-11 |
| 4968859 | Circuit breaker with low voltage contact structure | Walter V. Bratkowski, Daun Bhasavanich | 1990-11-06 |
| 4658504 | Method for insulating conductor joints particularly bus bars and insulated bus bar apparatus | Semahat D. Sinharoy | 1987-04-21 |
| 4650085 | Enclosure structure for circuit breaker assemblies and similar apparatus | John D. Petrisko, Allen G. Filson, Robert E. Wobrak | 1987-03-17 |
| 4491704 | Vacuum circuit interrupter having vacuum monitoring apparatus | Stanislaw A. Milianowicz, Charles K. Wallace | 1985-01-01 |
| D275278 | Metal clad switchgear | Ronald E. Vaill | 1984-08-28 |
| 4464703 | Metal clad switchgear having exterior ventilation shafts | Ronald E. Vaill | 1984-08-07 |
| 4403124 | Vacuum circuit interrupter with insulated vacuum monitor resistor | John F. Perkins | 1983-09-06 |