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Inventor

Warren H. Cowles

Inventor
Farmington Hills, MI, US

Overview

6→
Patents
1982–1990
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof42%
G05DSystems for controlling or regulating non-electric variables17%
Y10TTechnical subjects covered by former us classification17%
F02DControlling combustion engines8%
F16KValves8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
4,917,150'Solenoid operated pressure control valve'19904,660,597'Fuel pressure regulator'19874,637,366'Fuel injection apparatus and system'19874,539,960'Fuel pressure regulator'19854,335,693'Fuel injection apparatus and system'19824,311,126'Fuel injection apparatus and system'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1987Patents assigned to COLT IND OPERATING CORP (5)· patent assignee history
1982–1985Based in Bloomfield Hills, MI, US· patent location history
1987–1990Based in Farmington Hills, MI, US· patent location history
1990Patents assigned to COLT IND INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COLT IND OPERATING CORP51982–1987
COLT IND INC11990
Locations
LocationPatentsSpan
Farmington Hills, MI, US31987–1990
Bloomfield Hills, MI, US31982–1985