| 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 |