Inventor

FRANTZ DOUGLAS C

US10 patents

⚠️ This page may combine multiple inventors who share the name “FRANTZ DOUGLAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHRYSLER MOTORS

6 patents

US4659977AApr 21, 1987

Microcomputer controlled electronic alternator for vehicles

CHRYSLER MOTORS322 citations96

US4890231ADec 26, 1989

Method of disabling a resume switch in an electronic speed control system for vehicles

CHRYSLER MOTORS31 citations92

US4821701AApr 18, 1989

Purge corruption detection

CHRYSLER MOTORS31 citations91

US4896267AJan 23, 1990

Electronic speed control system for vehicles, a method of determining the condition of a manual transmission clutch and of a park/neutral gear in an automatic transmission

CHRYSLER MOTORS21 citations80

US4719573AJan 12, 1988

Programmed spark scatter control method for quick response to changing load conditions

CHRYSLER MOTORS9 citations69

US4637361AJan 20, 1987

Non-adjustable throttle position indicator

CHRYSLER MOTORS19 citations64

CHRYSLER CORP

4 patents

US5218682AJun 8, 1993

Two-way handshake circuit and method for communication between processors

CHRYSLER CORP30 citations92

US5151647ASep 29, 1992

Enhanced charging system diagnostic method

CHRYSLER CORP26 citations92

US5099811AMar 31, 1992

Method for firing spark plugs

CHRYSLER CORP22 citations90

US4602603AJul 29, 1986

Ignition distributor-Hall Effect sensor switching system and method

CHRYSLER CORP14 citations67