Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7804309 | Systems and methods for soil moisture estimation | — | 2010-09-28 |
| 7460956 | Systems and methods for time corrected lightning detection | Martin Murphy, Wolfgang Schulz, Alburt E. Pifer | 2008-12-02 |
| 6868339 | Systems and methods for time corrected lightning detection | Martin Murphy, Wolfgang Schulz, Alburt E. Pifer | 2005-03-15 |
| 6791311 | Lightning detection and data acquisition system | Martin Murphy, Alburt E. Pifer | 2004-09-14 |
| 6788043 | Lightning detection and data acquisition system | Martin Murphy, Alburt E. Pifer | 2004-09-07 |
| 5729144 | Systems and methods for determining location of a fault on an electric utility power distribution system | — | 1998-03-17 |
| 5278777 | Efficient cancelling of AC line interference in electronic instrumentation | — | 1994-01-11 |
| 5168212 | Autonomous electro-optical lightning identification and ranging apparatus for, and method of, alerting humans and protecting equipment | Leon G. Byerley, Alburt E. Pifer, Kenneth Hufnagel, William C. Hiscox | 1992-12-01 |
| 5027410 | Adaptive, programmable signal processing and filtering for hearing aids | Malcolm J. Williamson, Kurt E. Hecox | 1991-06-25 |
| 4887299 | Adaptive, programmable signal processing hearing aid | Kurt E. Hecox, Malcolm J. Williamson | 1989-12-12 |