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Patent applications and USPTO patent grants for Rogers; Kyle W..The latest application filed is for "drive unit employing gallium nitride switches".
Patent | Date |
---|---|
Architecture of drive unit employing gallium nitride switches Grant 10,366,935 - Krishnamurthy , et al. July 30, 2 | 2019-07-30 |
Safety chain circuit Grant 10,146,189 - Rogers , et al. De | 2018-12-04 |
Elevator system using dynamic braking Grant 9,975,729 - Rogers , et al. May 22, 2 | 2018-05-22 |
Battery field disconnect method Grant 9,941,550 - Rogers April 10, 2 | 2018-04-10 |
Elevator power supply for inverter controller Grant 9,935,494 - Rogers , et al. April 3, 2 | 2018-04-03 |
Battery mounting in elevator hoistway Grant 9,815,665 - Rogers , et al. November 14, 2 | 2017-11-14 |
Brake for electric motor Grant 9,719,569 - Piech , et al. August 1, 2 | 2017-08-01 |
Elevator brake control including a solid state switch in series with a relay switch Grant 9,617,117 - Rogers April 11, 2 | 2017-04-11 |
Elevator drive power supply control Grant 9,422,135 - Rogers , et al. August 23, 2 | 2016-08-23 |
Drive Unit Employing Gallium Nitride Switches App 20160079904 - Krishnamurthy; Shashank ;   et al. | 2016-03-17 |
Architecture Of Drive Unit Employing Gallium Nitride Switches App 20160043616 - Krishnamurthy; Shashank ;   et al. | 2016-02-11 |
Battery Field Disconnect Method App 20150295282 - Rogers; Kyle W. | 2015-10-15 |
Elevator System Using Dynamic Braking App 20150191327 - Rogers; Kyle W. ;   et al. | 2015-07-09 |
Safety Chain Circuit App 20150192906 - Rogers; Kyle W. ;   et al. | 2015-07-09 |
Elevator Backup Power Supply App 20150136531 - Rogers; Kyle W. ;   et al. | 2015-05-21 |
Battery Mounting In Elevator Hoistway App 20150083526 - Rogers; Kyle W. ;   et al. | 2015-03-26 |
Elevator Brake Control App 20140231181 - Rogers; Kyle W. | 2014-08-21 |
Drive and Elevator Electronics in Bedplate App 20140166408 - Rogers; Kyle W. ;   et al. | 2014-06-19 |
Brake for Electric Motor App 20140060980 - Piech; Zbigniew ;   et al. | 2014-03-06 |
Elevator Drive Power Supply Control App 20140027210 - Rogers; Kyle W. ;   et al. | 2014-01-30 |
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