Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9482699 | Method and apparatus for monitoring high voltage bushings safely | Edward S. Kwon, Mikhail Benis | 2016-11-01 |
| 9018962 | Method and apparatus for protecting power transformers from large electro-magnetic disturbances | Edward S. Kwon, Hong Cai | 2015-04-28 |
| 8274769 | Apparatus and method for cooling power transformers | Jeffrey G. Anderson | 2012-09-25 |
| 8260472 | Cooling system for power transformer | Jeffrey G. Anderson | 2012-09-04 |
| 7417411 | Apparatus and method for monitoring tap positions of load tap changer | Thomas C. Tennille | 2008-08-26 |
| 7323852 | Sensing load tap changer (LTC) conditions | — | 2008-01-29 |
| 6812674 | Apparatus and method for testing battery condition | — | 2004-11-02 |
| 6798874 | System and method for enabling custom telephone features on a PBX system | George F. Ohlinger, Joel Donelson | 2004-09-28 |
| 6714022 | Apparatus and method for cooling power transformers | — | 2004-03-30 |
| 6459998 | Sensing downed power lines | — | 2002-10-01 |
| 6222714 | Microprocessor based setting group controller for protective relay operations | — | 2001-04-24 |
| 4939617 | Method and apparatus for monitoring an AC transmission line | Walter L. Hinman, Jr. | 1990-07-03 |
| 4660035 | Remote monitoring system | — | 1987-04-21 |
| 4608563 | Remote monitoring induction telemetering system | — | 1986-08-26 |
| 4608564 | Apparatus for the remote monitoring of meters and other devices | — | 1986-08-26 |
| 4532501 | Capacitively coupled machine tool safety system | — | 1985-07-30 |
| 4518958 | Capacitively coupled machine tool safety having a self-test network | William A. Cook, William Miles Pulford | 1985-05-21 |