John L. Earle — 15 Patents at White'S Electronics

John L. Earle has been granted 15 US patents while listed as an inventor at White'S Electronics. The first was granted in 1981 and the most recent in March 2019. John L. Earle ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list John L. Earle in Sweet Home, OR, US.

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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

John L. Earle — 15 Patents

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