| 2024/0291,405 | WIRELINE POWER SUPPLY DURING ELECTRIC POWERED FRACTURING OPERATIONS | May 03, 24 | Aug 29, 24 | U.S. WELL SERVICES LLC |
| 2023/0109,325 | WIRELINE POWER SUPPLY DURING ELECTRIC POWERED FRACTURING OPERATIONS | Oct 18, 22 | Apr 06, 23 | U.S. WELL SERVICES LLC |
| 2021/0313,910 | ARC RESISTANT DRIVE WITH BYPASS AND SYNCH TRANSFER | Apr 07, 20 | Oct 07, 21 | Not available |
| 2018/0375,446 | Method and Device for Operating an Electric Motor | Nov 24, 16 | Dec 27, 18 | Not available |
| 2017/0077,859 | HYBRID DRIVE CIRCUIT FOR VARIABLE SPEED INDUCTION MOTOR SYSTEM AND METHODS OF CONTROL | Sep 15, 15 | Mar 16, 17 | REGAL BELOIT AMERICA, INC. |
| 2017/0040,914 | CIRCUIT AND METHOD FOR REDUCING INRUSH CURRENT OF A THREE PHASE MOTOR | Oct 25, 16 | Feb 09, 17 | Not available |
| 2016/0308,472 | CIRCUIT AND METHOD FOR REDUCING INRUSH CURRENT OF PHASE CONVERTER MOTOR | Apr 18, 16 | Oct 20, 16 | Not available |
| 2015/0280,595 | SWITCH CONFIGURATION FOR A MATRIX CONVERTOR | Apr 01, 14 | Oct 01, 15 | HAMILTON SUNDSTRAND CORPORATION |
| 2013/0214,719 | Method and Device for Starting Motors in Weak Grids | Sep 15, 11 | Aug 22, 13 | Rolls-Royce Marine As Power Electric Systems Bergen |
| 2012/0256,580 | SYSTEM AND METHOD FOR FAST START-UP OF AN INDUCTION MOTOR | Apr 11, 11 | Oct 11, 12 | EATON CORPORATION |
| 2012/0056,576 | Power Train for a Transport Vehicle, in Particular a Rail Vehicle, and Method for Controlling Same | Aug 02, 11 | Mar 08, 12 | ALSTOM TRANSPORT TECHNOLOGIES |
| 2010/0207,565 | Bypass and Synchronous Transfer Arrangement for a Medium Voltage Drive Control System | Feb 18, 09 | Aug 19, 10 | TOSHIBA INTERNATIONAL CORPORATION |
| 2010/0181,950 | FAN AND CONTROLLING DEVICE THEREOF | May 08, 09 | Jul 22, 10 | DELTA ELECTRONICS, INC. |
| 2009/0267,552 | Soft Starting Method and System Thereof in the Way of Wave-Skipping with Stepped Frequency and Stepless Voltage Regulating for a Motor | Jul 24, 07 | Oct 29, 09 | RONGXIN POWER ELECTRONIC CO.,LTD |
| 2009/0251,083 | Control Apparatus for AC Rotary Machine | Jun 29, 06 | Oct 08, 09 | MITSUBISHI ELECTRIC CORPORATION |