Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10228481 | Ground eliminating metal detector | — | 2019-03-12 |
| 9989663 | Auto nulling of induction balance metal detector coils | — | 2018-06-05 |
| 8878515 | Constant current metal detector | — | 2014-11-04 |
| 8749240 | Time domain method and apparatus for metal detectors | Eric Foster, Carl W. Moreland | 2014-06-10 |
| 8629677 | Hybrid induction balance/pulse induction metal detector | — | 2014-01-14 |
| 7649356 | Pulse induction metal detector having high energy efficiency and sensitivity | — | 2010-01-19 |
| 7208894 | Electric vehicle motor and control system with high efficiency regeneration | — | 2007-04-24 |
| 6421621 | Metal detector target identification using flash phase analysis | — | 2002-07-16 |
| 6172504 | Metal detector target identification using flash phase analysis | — | 2001-01-09 |
| 4896075 | Automatic headlight and parking light switching | — | 1990-01-23 |
| 4574764 | Fuel vaporization method and apparatus | — | 1986-03-11 |
| 4455834 | Windmill power apparatus and method | — | 1984-06-26 |
| 4408954 | Windmill yaw and speed controls | — | 1983-10-11 |
| 4361204 | Hot gas vehicular power system with regeneration | — | 1982-11-30 |
| 4301390 | Automatic headlight switch | — | 1981-11-17 |