John L. Earle

Person

Sweet Home, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ground eliminating metal detector
- Patent number 10,228,481
- Issue date Mar 12, 2019
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Grant
Auto nulling of induction balance metal detector coils
- Patent number 9,989,663
- Issue date Jun 5, 2018
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Grant
Constant current metal detector
- Patent number 8,878,515
- Issue date Nov 4, 2014
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Grant
Time domain method and apparatus for metal detectors
- Patent number 8,749,240
- Issue date Jun 10, 2014
- White's Electronics, Inc.
- Eric Foster
- G01 - MEASURING TESTING
Information Patent Grant
Hybrid induction balance/pulse induction metal detector
- Patent number 8,629,677
- Issue date Jan 14, 2014
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Grant
Pulse induction metal detector having high energy efficiency and se...
- Patent number 7,649,356
- Issue date Jan 19, 2010
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Grant
Metal detector target identification using flash phase analysis
- Patent number 6,421,621
- Issue date Jul 16, 2002
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Grant
Metal detector target identification using flash phase analysis
- Patent number 6,172,504
- Issue date Jan 9, 2001
- White's Electronics, Inc.
- John L. Earle
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Hybrid Induction Balance/Pulse Induction Metal Detector
- Publication number 20110316541
- Publication date Dec 29, 2011
- John L. Earle
- G01 - MEASURING TESTING
Information Patent Application
Pulse induction metal detector having high energy efficiency and se...
- Publication number 20040119475
- Publication date Jun 24, 2004
- John L. Earle
- G01 - MEASURING TESTING

John L. Earle

Person

Patents Grantslast 30 patents

Ground eliminating metal detector

Auto nulling of induction balance metal detector coils

Constant current metal detector

Time domain method and apparatus for metal detectors

Hybrid induction balance/pulse induction metal detector

Pulse induction metal detector having high energy efficiency and se...

Metal detector target identification using flash phase analysis

Metal detector target identification using flash phase analysis

Patents Applicationslast 30 patents

Hybrid Induction Balance/Pulse Induction Metal Detector

Pulse induction metal detector having high energy efficiency and se...