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Inventor

Philip R. Peterson

Inventor
Grand Blanc, MI, US

Overview

8→
Patents
1977–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Tprimary
B60TVehicle brake control systems or parts thereof33%
F02DControlling combustion engines22%
F02PIgnition, other than compression ignition, for internal-combustion engines22%
G01FMeasuring volume, volume flow, mass flow or liquid level11%
G06TImage data processing or generation, in general11%
PatentTitleYear
9,147,288'Subdivision of surfaces approximation'20156,741,080'Buffered ion sense current source in an ignition coil'20046,498,490'Ion sense ignition bias circuit'20025,219,228'Exhaust gas temperature measuring system utilizing existing oxygen sensor'19934,914,384'Magnetic gage driver circuit'19904,076,332'Wheel lock control circuit'19784,061,403'Wheel lock control system'19774,061,402'Wheel lock control system failure and disabling circuit'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1993Patents assigned to GEN MOTORS CORP (4)· patent assignee history
1977–2004Based in Grand Blanc, MI, US· patent location history
1990Patents assigned to LUCAS CIRTEK CORP (1)· patent assignee history
2002–2004Patents assigned to DELPHI TECH INC (2)· patent assignee history
2015Patents assigned to JOHNSTON ERIC R (1)· patent assignee history
2015Patents assigned to LUCASFILM ENTERTAINMENT CO LTD (1)· patent assignee history
2015Based in Petaluma, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN MOTORS CORP41977–1993
DELPHI TECH INC22002–2004
JOHNSTON ERIC R12015
LUCAS CIRTEK CORP11990
LUCASFILM ENTERTAINMENT CO LTD12015
Locations
LocationPatentsSpan
Grand Blanc, MI, US71977–2004
Petaluma, California, US12015