Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10128067 | Three phase unitized high voltage switch assembly with a cantilevered telescoping base | James R. Shychuck | 2018-11-13 |
| 9966207 | Motorized high voltage in-line disconnect switch with communication system controls | — | 2018-05-08 |
| 9881755 | Motorized high voltage in-line disconnect switch with hand-held communication system to prevent unwanted operation | — | 2018-01-30 |
| 9355797 | Unitized phase over phase two-way or three-way high voltage switch assembly with one vacuum interrupter per phase | Peter M. Kowalik | 2016-05-31 |
| 7078642 | Arc extinguishing device with a high speed whip | Peter M. Kowalik, Joseph Andreyo, Arthur E. Bisig, Steven A. Cleaveland | 2006-07-18 |
| 6762385 | Arc extinguishing device with a high speed whip | Peter M. Kowalik, Joseph Andreyo, Arthur E. Bisig | 2004-07-13 |
| 6753492 | Arc extinguishing device with a metal matrix composite high speed whip | — | 2004-06-22 |
| 6392181 | ARC extinguishing device with a high speed whip | Arthur E. Bisig | 2002-05-21 |
| 4379956 | Break-jaw construction for a disconnecting switch structure | Peter M. Kowalik | 1983-04-12 |
| 4357504 | Bearing and journal means for the rotatable crank-arm assembly of a disconnecting switch | Peter M. Kowalik | 1982-11-02 |
| 4339636 | Disconnecting switch having improved switch-blade hinging structure | Peter M. Kowalik | 1982-07-13 |
| 4234147 | Shaft-clamping device | Peter M. Kowalik | 1980-11-18 |