Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822207 | Positioning assembly for a wind turbine rotor blade lifting device | Daniel Lopez-Benedito, John Carl Bell, Gaylon Mitchell Pfeiffer, Adam Sean Davis, Marc Cavallé +3 more | 2020-11-03 |
| 10598148 | System for controlling a yaw drive of a wind turbine when a native yaw drive control system is non-operational | Jonathan Paul Signore, Gaylon Mitchell Pfeiffer | 2020-03-24 |
| 9821417 | System and method for replacing a pitch bearing | Ulrich Neumann, Adam Sean Davis, Gaylon Mitchell Pfeiffer, Michael Royce Johnson, Forrest Christopher Hach +2 more | 2017-11-21 |
| 9513614 | Auxiliary electric power system and method of regulating voltages of the same | Harold Robert Schnetzka, Timothy W. Jayko, Branislav Vujanovic | 2016-12-06 |
| 8854845 | System and method of over-voltage protection | — | 2014-10-07 |
| 8046987 | Air cooled core mounted ignition system | Ryan Gilbert Kelbey | 2011-11-01 |
| 7658614 | Method and apparatus for fabricating and connecting a semiconductor power switching device | John C. Driscoll, Eugene Bryan | 2010-02-09 |
| 7355300 | Solid state turbine engine ignition exciter having elevated temperature operational capability | Richard S. Brzostek, John C. Driscoll | 2008-04-08 |
| 7144792 | Method and apparatus for fabricating and connecting a semiconductor power switching device | John C. Driscoll, Eugene Bryan | 2006-12-05 |
| 5852381 | Turbine engine ignition exciter circuit including low voltage lockout control | John C. Driscoll, Steven John Kempinski, James R. Berliner | 1998-12-22 |
| 5656966 | Turbine engine ignition exciter circuit including low voltage lockout control | John C. Driscoll, Steve J. Kempinski, James R. Berliner | 1997-08-12 |
| 5592118 | Ignition exciter circuit with thyristors having high di/dt and high voltage blockage | John C. Driscoll, Steve J. Kempinski | 1997-01-07 |
| 5535726 | Automotive ignition coil assembly | Michael J. Huston, Stephen W. Straus | 1996-07-16 |