Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272932 | Power supply system with wire harness for interconnecting individual power supply modules | James E. Widen, Jr. | 2025-04-08 |
| 11984814 | Open loop phase pre-charge | Lixiang Wei, Peizhong Yi, Robert W. Reese, Jatinkumar Patel | 2024-05-14 |
| 11984708 | Power supply circuit with synchronization functionality | James E. Widen, Jr. | 2024-05-14 |
| 11404865 | Direct current bus capacitor breakdown protection circuit for drives | Amrita Sharma, Michael P. Albert, Rangarajan M. Tallam, Ethan B. Monroe | 2022-08-02 |
| 11402436 | System and method for ground fault detection | Jiangang Hu, Lixiang Wei, Andrew J. Roberts | 2022-08-02 |
| 10955489 | System and method for ground fault detection | Rangarajan M. Tallam, Jiangang Hu | 2021-03-23 |
| 10784797 | Bootstrap charging by PWM control | Willy E. Sedano, Peizhong Yi, Lixiang Wei | 2020-09-22 |
| 10564207 | System and method for ground fault detection | Rangarajan M. Tallam, Jiangang Hu | 2020-02-18 |
| 9787210 | Precharging apparatus and power converter | Yogesh Patel, Rangarajan M. Tallam, Jiangang Hu, James J. CAMPBELL | 2017-10-10 |
| 9654021 | Multifunction power converter with option for integrated magnetics | Lixiang Wei, Robert M. Michalski, Yogesh Patel, Bruce W. Weiss | 2017-05-16 |
| 9612269 | System for detection of a ground fault in a high resistance ground network | Lixiang Wei, Zhijun Liu, David W. Kirschnik, Russ J. Kerkman, Richard A. Lukaszewski +2 more | 2017-04-04 |
| 9374021 | PWM output voltage measurement apparatus and method | Rangarajan M. Tallam, Doyle F. Busse, Russel J. Kerkman | 2016-06-21 |
| 9337014 | Processing system architecture with single load lock chamber | Vladimir Galburt, Alexander Lerner | 2016-05-10 |
| 9092030 | Method to implement drive diagnostics and prognostics automatically | Bruce W. Weiss, Robert M. Michalski, Lixiang Wei, Garron Morris | 2015-07-28 |
| 8816631 | Apparatus and method for energy efficient motor drive standby operation | Lixiang Wei, Yogesh Patel | 2014-08-26 |
| 8698504 | System for detection of a ground fault in a high resistance ground network | Lixiang Wei, Zhijun Liu, David W. Kirschnik, Russ J. Kerkman, Richard A. Lukaszewski +2 more | 2014-04-15 |
| 8550692 | Food mixer and attachment storage apparatus | Winslow O. Young | 2013-10-08 |
| 8117008 | Junction temperature prediction method and apparatus for use in a power conversion module | Russel J. Kerkman, Lixiang Wei, Richard A. Lukaszewski, Neil Gollhardt, Bruce W. Weiss | 2012-02-14 |
| 8086420 | Junction temperature prediction method and apparatus for use in a power conversion module | Russel J. Kerkman, Lixiang Wei, Richard A. Lukaszewski, Neil Gollhardt, Bruce W. Weiss | 2011-12-27 |
| 7356441 | Junction temperature prediction method and apparatus for use in a power conversion module | Russel J. Kerkman, Lixiang Wei, Richard A. Lukaszewski, Neil Gollhardt, Bruce W. Weiss | 2008-04-08 |
| D341318 | Paint can lid | — | 1993-11-16 |
| 5103699 | Tube cutter | — | 1992-04-14 |