John G. Hatfield — 12 Patents at Amp

John G. Hatfield has been granted 12 US patents while listed as an inventor at Amp. The first was granted in 1981 and the most recent in June 2005. John G. Hatfield ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list John G. Hatfield in Camp Hill, PA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6902319	Vehicular battery temperature estimation	Zhijian Wu, Jyh-Laing L. Lin, Dean Marshall, Brad Schoeff, Michel Trumbo +2 more	2005-06-07	$19,907,000
5998881	Apparatus and method for controlling low engine idle RPM without discharging a vehicle battery by monitoring the vehicle alternator field modulation	Robert C. Wind, Daniel Sullivan	1999-12-07
5219303	Mid-cable electrical termination	John K. Daly, Kenneth F. Folk, Dean A. Puerner	1993-06-15	$3,596,000
5197171	Cable terminating tool and jig	—	1993-03-30	$4,594,000
4932237	Portable crimping apparatus	—	1990-06-12	$4,688,000
4928380	Apparatus for terminating a cable to a two part circular connector	—	1990-05-29	$7,511,000
D303917	Multiple stroke ratchet tool for crimping, cutting or the like	—	1989-10-10
4809571	Automatic fast take up for use with ratchet hand tool	—	1989-03-07	$3,391,000
4742737	Multiple stroke ratchet hand tool	—	1988-05-10	$5,096,000
4592253	Apparatus for preparing the end of a shielded flat cable	—	1986-06-03	$8,011,000
4538487	Method and apparatus for stripping shielded flat cable	Robert Volinskie	1985-09-03	$11,923,000
4288908	Cable clamping and orienting apparatus	—	1981-09-15	$8,436,000

John G. Hatfield — 12 Patents

Issued Patents All Time

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