Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401283 | Method of mitigating saturation in interphase transformer of interleaved switched mode power supply during startup | — | 2025-08-26 |
| 11466678 | Free piston linear motor compressor and associated systems of operation | Jason Stair, Anthony Lindsay, Michael Lewis, Raymond C. Zowarka, Clay Hearn +3 more | 2022-10-11 |
| 10323628 | Free piston linear motor compressor and associated systems of operation | Jason Stair, Anthony Lindsay, Michael Lewis, Raymond C. Zowarka, Clay Hearn +3 more | 2019-06-18 |
| 10196885 | Downhole induction heater for oil and gas wells | Mukul Sharma, Raymond C. Zowarka | 2019-02-05 |
| 10125589 | Downhole induction heater and coupling system for oil and gas wells | Raymond C. Zowarka, Mukul Sharma, Michael D. Werst, Clay Hearn, Michael Worthington +3 more | 2018-11-13 |
| 8995232 | Electromagnetic seismic vibrator architecture | Raymond C. Zowarka, Jim L. Upshaw, Michael Lewis | 2015-03-31 |
| H1389 | Iron backed, round bore, augmented electromagnetic accelerator as an | William F. Weldon | 1995-01-03 |
| 5210452 | Symmetric armature for high current, air-core pulsed alternators | Mike L. Spann, W. Alan Walls | 1993-05-11 |
| 4935708 | High energy pulse forming generator | William F. Weldon, Mircea D. Driga | 1990-06-19 |
| 4841217 | Pulsed generator incorporating output waveform flexibility and a pulsed transformer | William F. Weldon, Mircea D. Driga | 1989-06-20 |