| 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 |