Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360174 | Inverter diagnostic testing methods and apparatus | Stan Rex Simms, Gabriel Braga, Thomas Arthur Farr | 2025-07-15 |
| 12113464 | Adjustable frequency drives using normalized modulation control signals to compensate for phase imbalance and methods of operating the same | Geraldo Nojima, Stan Rex Simms, Thomas Arthur Farr, Gabriel Braga | 2024-10-08 |
| 10951111 | Apparatus, methods and computer program products for inverter short circuit detection | Gabriel Braga | 2021-03-16 |
| 10326395 | System and method for magnetizing a transformer in an electrical system prior to energizing the electrical system | Thomas Arthur Farr, Ron Carl Schueneman | 2019-06-18 |
| 10249466 | Fuse arc gas baffle with arc resistant fuse assembly | Alfred Lee Randall, Thomas Arthur Farr, John Austin Cochran | 2019-04-02 |
| 10171006 | Power pole inverter | Jonathan Charles Crouch, Wesley Byron Johnson, Ron Carl Schueneman | 2019-01-01 |
| 10135372 | Methods and apparatus for soft operation of transformers using auxiliary winding excitation | Thomas Arthur Farr | 2018-11-20 |
| 10033322 | Closed-transition variable-frequency drive apparatus and methods | Thomas Arthur Farr, Gregory John Venhaus, Aaron H. VanderMeulen | 2018-07-24 |
| 9936615 | Power pole isolated heat pipe inverter assembly | Jonathan Charles Crouch, Wesley Byron Johnson, Paul Thomas Murray, Ron Carl Schueneman | 2018-04-03 |
| 9805898 | Fuse arc gas baffle with arc resistant fuse assembly | Alfred Lee Randall, Thomas Arthur Farr, John Austin Cochran | 2017-10-31 |
| 9680388 | System and method for starting a variable frequency drive with reduced arc flash risk | Stan Rex Simms | 2017-06-13 |
| 9648792 | Power pole inverter | Jonathan Charles Crouch, Wesley Byron Johnson, Ron Carl Schueneman | 2017-05-09 |
| 9337762 | System and method for magnetizing a transformer in an electrical system prior to energizing the electrical system | Thomas Arthur Farr, Ron Carl Schueneman | 2016-05-10 |
| 9241430 | Power pole isolated heat pipe inverter assembly | Jonathan Charles Crouch, Wesley Byron Johnson, Paul Thomas Murray, Ron Carl Schueneman | 2016-01-19 |
| 9148985 | Power pole inverter | Jonathan Charles Crouch, Wesley Byron Johnson, Ron Shueneman | 2015-09-29 |
| 8395044 | Cable assembly with protector, and accompanying method | Paul M. Mulligan, Richard B. Ravenell, Thomas Arthur Farr | 2013-03-12 |
| 7973253 | Neutral draw-out automatic transfer switch assembly and associated method | Justin Raymond Hoglund, Cathleen M. Clausen, Mark Steven Tomassi, Jonathan Scott Adams | 2011-07-05 |
| 7965529 | Voltage source inverter and medium voltage pre-charge circuit therefor | Andrew Stevenson | 2011-06-21 |
| 7365519 | Excitation system having inner loop voltage regulator with by-pass capability | Charles R. Mummert | 2008-04-29 |
| 7345456 | Power system stabilizer providing excitation limiter functions | Charles R. Mummert | 2008-03-18 |
| 7012823 | Method and control system employing conduction monitors for detecting unbalanced current condition of alternating current phases | — | 2006-03-14 |
| 6998735 | Controlled rectifier bridge, control system, and method for controlling rectifier bridge by disabling gate control signals | — | 2006-02-14 |
| 6946602 | Quadrifold housing assembly for electronics | Steven Dale Walker, Thomas Arthur Farr, Marcus Eugene Case, Tap Van Pham, Rafael Gutierrez | 2005-09-20 |
| 6827540 | Vertical cellular power bridge roll-out service system and associated method | Steven Dale Walker, William R. Hudson | 2004-12-07 |
| 6724643 | Control system and method employing active temperature balance for controlling rectifier bridge | — | 2004-04-20 |