| 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 |