Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915766 | Preventive maintenance tapping and duty cycle monitor for voltage regulator | Fred J. Rapant, Richard John Kaluzny, Donald A. Down | 2011-03-29 |
| 7614357 | Step voltage regulator polymer position indicator with non-linear drive mechanism | Jonathan Michael Schaar, Kurt Lawrence Lindsey | 2009-11-10 |
| 7482714 | Preventive maintenance tapping and duty cycle monitor for voltage regulator | Fred J. Rapant, Richard John Kaluzny, Donald A. Down | 2009-01-27 |
| 7408275 | Preventive maintenance tapping and duty cycle monitor for voltage regulator | Fred J. Rapant, Richard John Kaluzny, Donald A. Down | 2008-08-05 |
| 7343873 | Step voltage regulator polymer position indicator with non-linear drive mechanism | Kurt Lawrence Lindsey, Jonathan Michael Schaar | 2008-03-18 |
| 6833518 | Load tap changer with direct drive and brake | Christopher J. Byers, Dennis O. Conway, Neal Dirk | 2004-12-21 |
| 6693247 | Load tap changer with direct drive and brake | Christopher J. Byers, Dennis O. Conway, Neal Dirk | 2004-02-17 |
| 5527988 | Tank for an oil-filled, pad-mounted electrical distribution transformer | Richard M. Marusinec | 1996-06-18 |
| 5396212 | Transformer winding | Gary D. King, Craig J. De Rouen, Kenneth R. Beck | 1995-03-07 |
| 5272442 | Electrical feed-through bushing cavity insulation detector | Dean J. Schemmel, Charles M. Martin | 1993-12-21 |
| 4837543 | Transformer core and coil support assembly | Michael W. Humen | 1989-06-06 |