Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157164 | Battery power system | Robert K. Jaworski, Thomas H. Kimsey, Keku M. Mistry, Thomas O'Sullivan | 2000-12-05 |
| 6137292 | Self-adjusting battery diagnostic method for continuously providing best prediction of battery reserve time | Marc D. Hirsch, Mark A. Johnson, Patrick Kwok-Yeung Ng | 2000-10-24 |
| 5982598 | Protective circuit for a grounded power plant | Franklin F. Makan, Vijayan J. Thottuvelil | 1999-11-09 |
| 5917250 | Isolation circuit and verification controller for a power supply and power plant employing the same | Vijayan J. Thottuvelil | 1999-06-29 |
| 5804890 | Direct current voltage power backup system | John S. Pendergrass | 1998-09-08 |
| 5646462 | DC voltage bypass power system architecture | Timothy Martin Cortes, Keith Schmid | 1997-07-08 |
| 5612859 | Battery polarity switch for generating low frequency voltage waveforms | Keith Schmid | 1997-03-18 |
| 4763013 | Backup protection switch to prevent reverse power flow in a UPS | John Michael Gvoth, Jr., Henry E. Menkes | 1988-08-09 |
| 4631471 | Inductor apparatus for application of ferroresonant regulators | Fakhry A. Fouad, Henry E. Menkes | 1986-12-23 |
| 4536715 | Linear dual detector opto-isolator circuit | Brian A. Basarath | 1985-08-20 |