Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493202 | Electromagnetic operator for an electrical contactor and method for controlling same | Mark A. Kappel, Richard G. Smith, Donald F. Swietlik, Raymond H. Hannula, Christopher J. Wieloch +1 more | 2002-12-10 |
| 6411489 | Electromagnetic operator for an electrical contactor and method for controlling same | Mark A. Kappel, Richard G. Smith, Donald F. Swietlik, Raymond H. Hannula, Christopher J. Wieloch +1 more | 2002-06-25 |
| 6282076 | Method for controlling an electromagnetic operator of an electrical device | Mark A. Kappel, Richard G. Smith, Donald F. Swietlik, Raymond H. Hannula, Christopher J. Wieloch +1 more | 2001-08-28 |
| 6233131 | Electromagnetic operator for an electrical contactor and method for controlling same | Mark A. Kappel, Richard G. Smith, Donald F. Swietlik, Raymond H. Hannula, Christopher J. Wieloch +1 more | 2001-05-15 |
| 6198614 | Electrical contactor and method for controlling same | Mark A. Kappel, Richard G. Smith, Jeffrey R. Annis, Christopher J. Wieloch | 2001-03-06 |
| 5657194 | Circuit and method for automatically resetting a solid state relay | — | 1997-08-12 |
| 5283708 | Overload current protection apparatus | — | 1994-02-01 |
| 4210948 | Method and apparatus for monitoring line voltage in a polyphase source | — | 1980-07-01 |
| 4195324 | Heating circuit for an electric motor | — | 1980-03-25 |