Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11871535 | HVAC-less enclosure with temperature range augmenting recirculation system | D. Jason McCrary, Manish Verma | 2024-01-09 |
| 10840841 | Control device for power conversion device, control method, and motor drive system | Yang Xu, Chikara Morito | 2020-11-17 |
| 10727770 | Control device for power conversion device, and motor drive system | Yang Xu, Chikara Morito | 2020-07-28 |
| 10536001 | Photovoltaic system | Yuji Matsuoka, Tatsuaki Ambo, Naoki Fujiwara, Ryuta Saka | 2020-01-14 |
| 10133245 | Method for predicting and mitigating power fluctuations at a photovoltaic power plant due to cloud cover | — | 2018-11-20 |
| 9923487 | Hybrid power converter for renewable energy power plant | — | 2018-03-20 |
| 9762143 | Devices and methods for controlling current in inverters | Yuji Matsuoka, Tsuguhiro Tanaka, Tatsuaki Ambo | 2017-09-12 |
| 9728974 | Renewable energy site reactive power control | Benjamin D. Rudolph | 2017-08-08 |
| 9270164 | Methods, systems, computer program products, and devices for renewable energy site power limit control | Benjamin D. Rudolph | 2016-02-23 |
| 8718881 | Fuel efficient crane system | Marcelo Andres Lara | 2014-05-06 |
| 7834577 | System and method for starting a wound rotor motor | — | 2010-11-16 |
| 7511446 | System and method for starting a wound rotor motor | — | 2009-03-31 |
| 7456601 | System and method for starting a wound rotor motor | — | 2008-11-25 |
| 7170767 | System and method for regenerative PWM AC power conversion | — | 2007-01-30 |
| 6847531 | System and method for regenerative PWM AC power conversion | — | 2005-01-25 |
| 6542390 | System and method for regenerative PWM AC power conversion | — | 2003-04-01 |
| 6384565 | Method and apparatus for deriving characteristics of a utility signal in an AC machine drive system | Richard W. Carter, Barry Earle Dick | 2002-05-07 |
| 6355987 | Power converter and control for microturbine | — | 2002-03-12 |
| 6339309 | Method and apparatus for switching an AC motor between two power supplies | Craig W. Moyer, David G. Roberson, Barry Earle Dick | 2002-01-15 |
| 6329776 | Method and apparatus for switching an AC machine between a drive and a power supply | Eddy Ying Yin Ho | 2001-12-11 |
| 6205042 | Indirect calculation of bus voltage for voltage source inverter | — | 2001-03-20 |
| 6181099 | Method and apparatus for correcting DC offset in a frequency to voltage converter and motor drive using the same | Robert Villamil, Mark Edward Cardinal | 2001-01-30 |
| 5907192 | Method and system for wind turbine braking | James P. Lyons, Albert Andreas Maria Esser | 1999-05-25 |