Inventor
HERTFELDER WILHELM
8 patents
Patents
8 patentsUS4251052AFeb 17, 1981
Fluid flow control valve especially for use in heating installations for motor vehicles and a method of assembling and adjusting the valve
BOSCH GMBH ROBERT45 citations92
US5056309AOct 15, 1991
Internal combustion engine, particularly otto engine
BOSCH GMBH ROBERT30 citations91
US4143706AMar 13, 1979
Climate control for a motor vehicle compartment
BOSCH GMBH ROBERT29 citations82
US4058255ANov 15, 1977
Heater control for a motor vehicle
BOSCH GMBH ROBERT26 citations82
US4646705AMar 3, 1987
Exhaust gas return control system for an internal combustion engine
BOSCH GMBH ROBERT17 citations73
US4270726AJun 2, 1981
Valve arrangement, especially for controlling flow of hot water through a heating device for motor vehicles
BOSCH GMBH ROBERT13 citations73
US3961608AJun 8, 1976
Valve for controlling the flow of combustion gases in a combustion engine
BOSCH GMBH ROBERT11 citations72
US4180234ADec 25, 1979
Pneumatically operated valve with a manually operated back-up displacing mechanism
BOSCH GMBH ROBERT3 citations61