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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 1 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machines |
# | Technology | |
---|---|---|
#1 | Clutches and brakes | |
#2 | Unspecified technologies |
# | 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 |
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 |