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DETROIT DUO GRIP BRAKE CORP

Overview
  • Total Patents
    11
About

DETROIT DUO GRIP BRAKE CORP has a total of 11 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements and machines are BORG WARNER AUTOMOTIVE GMBH, CAMPH SVEN ERIK and RAYBESTOS IND PRODUKTE GMBH.

Patent filings in countries

World map showing DETROIT DUO GRIP BRAKE CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 1
#3 United Kingdom 1

Patent filings per year

Chart showing DETROIT DUO GRIP BRAKE CORPs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Murphy John H 6
#2 House Bryan E 2
#3 Super Ralph K 2
#4 Rosenberg Ralph H 1
#5 Murphy John Harry 1

Latest patents

Publication Filing date Title
US2783858A Hydraulic brake assembly
US2787340A Brake assembly
GB746812A Improvements relating to a brake assembly
US2742109A Brake mechanism
US2710675A Brake actuating mechanism
US2701627A Brake for automotive vehicles
US2742110A Brake shoe fork
US2720287A Brake assembly
US2700437A Brake actuating mechanism
US2143998A Brake mechanism
CA536436A Brake actuating mechanism