Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9576757 | Circuit interrupters with air trap regions in fluid reservoirs | — | 2017-02-21 |
| D722030 | Pole unit housing for electrical switchgear | James W. Baker, Jason R. Bogusz | 2015-02-03 |
| 8681462 | Circuit testing closer apparatus and method with in-rush current awareness | Raymond P. O'Leary, Christopher Lettow, Alejandro Montenegro | 2014-03-25 |
| 7626397 | High current capable circuit testing closer apparatus and method | Albert B. Tucker, Jr., Christopher Lettow, Alejandro Montenegro, Raymond P. O'Leary | 2009-12-01 |
| 7440251 | Multi-path switching configuration | — | 2008-10-21 |
| 7352265 | Manual trip control method and arrangement for multiple circuit interrupters | Christopher Lettow | 2008-04-01 |
| 6674027 | Operating arrangement for mechanism | Henry W. Kowalyshen, Andrew C. Shum | 2004-01-06 |
| 6628494 | Protective device and system | Henry W. Kowalyshen, Joseph P. Moninski, Arno J. Tapani | 2003-09-30 |
| 6429393 | Current transfer arrangement for circuit interrupter | Henry W. Kowalyshen | 2002-08-06 |
| 6180902 | Fault interrupter and operating mechanism therefor | Henry W. Kowalyshen, Chester H. Lin | 2001-01-30 |
| 6127637 | Disconnect feature for interrupter | John W. Estey | 2000-10-03 |
| 6114642 | Switchgear assembly | Thomas G. French, Raphael Guio, Henry W. Kowalyshen, Buddy B. McGlone, Gregory C. Mears | 2000-09-05 |
| 6040538 | Switchgear assembly | Thomas G. French, Raphael Guio, Henry W. Kowalyshen, Buddy B. McGlone, Gregory C. Mears | 2000-03-21 |
| 5904577 | Separable, flexible electrical connection arrangement | Roy T. Swanson, Buddy B. McGlone | 1999-05-18 |
| 5864107 | Switchgear assembly | Thomas G. French, Raphael Guio, Henry W. Kowalyshen, Buddy B. McGlone, Gregory C. Mears | 1999-01-26 |
| 5709553 | Flexible connector for high-current conductors | Buddy B. McGlone | 1998-01-20 |
| 5600112 | Bushing assembly with circuit interrupters including polyphase operating mechanism | — | 1997-02-04 |
| 5298704 | Contact operating arrangement with shock-reducing feature for high-voltage apparatus | Henry W. Kowalyshen | 1994-03-29 |
| 4683357 | Switch-operating mechanism with improved charging arrangement | — | 1987-07-28 |
| 4668848 | Alignment and centering arrangement for contacts of an interrupting device | Henry W. Kowalyshen, Norman J. Stranczek | 1987-05-26 |
| 4324959 | Pre-insertion resistor mechanism for a circuit interrupting device | Walter J. Hall | 1982-04-13 |
| 4238657 | Switch operator condition and position indicator mechanism | Edward J. Rogers | 1980-12-09 |
| 4237357 | Operating mechanism for a high-voltage switch | — | 1980-12-02 |
| 4203083 | Operating mechanism for a circuit interrupting device | Karel E. Vojta | 1980-05-13 |