Inventor
STEINKE LEO
DE22 patents
Patents
22 patentsUS4963112AOct 16, 1990
Method of production of a spark plug for internal combustion engines
BOSCH GMBH ROBERT29 citations92
US4132615AJan 2, 1979
Internal combustion engine exhaust gas oxygen sensor and catalyzer combination
BOSCH GMBH ROBERT43 citations92
US4019974AApr 26, 1977
Electrochemical sensor construction
BOSCH GMBH ROBERT56 citations92
US3960693AJun 1, 1976
Device for electrochemically measuring the concentration of oxygen in combustion gases
BOSCH GMBH ROBERT35 citations92
US4969353ANov 13, 1990
Spark plug with a pressure measuring device
BOSCH GMBH ROBERT22 citations82
US4187163AFeb 5, 1980
Electrochemical exhaust gas oxygen sensor construction
BOSCH GMBH ROBERT21 citations82
US4347113AAug 31, 1982
Oxygen content exhaust gas sensor, and method of its manufacture
BOSCH GMBH ROBERT25 citations81
US4093887AJun 6, 1978
Spark plug, particularly for internal combustion engines having composite center electrode
BOSCH GMBH ROBERT29 citations80
US4211204AJul 8, 1980
Glow plug arrangement
BOSCH GMBH ROBERT20 citations78
US4369748AJan 25, 1983
Optical engine knock sensing system
BOSCH GMBH ROBERT17 citations74
US4285307AAug 25, 1981
Method of preheating an internal combustion engine of the diesel, or similar, type
BOSCH GMBH ROBERT16 citations74
US4252091AFeb 24, 1981
Glow plug construction
BOSCH GMBH ROBERT20 citations74
US4057477ANov 8, 1977
Device for electrochemically measuring the concentration of oxygen in combustion gases
BOSCH GMBH ROBERT17 citations74
US4087904AMay 9, 1978
Method to manufacture glow plugs, particularly to secure glow elements in sockets
BOSCH GMBH ROBERT13 citations72
US4200077AApr 29, 1980
Glow plug structure
BOSCH GMBH ROBERT17 citations71
US4065372ADec 27, 1977
Electrochemical oxygen sensing element, particularly for determination of oxygen content in the exhaust gases of automotive internal combustion engines
BOSCH GMBH ROBERT12 citations70
US4075998AFeb 28, 1978
Electrical on-off-starting operation control system for engines requiring pre-heat time, such as automotive Diesel engines
BOSCH GMBH ROBERT16 citations69
US4176644ADec 4, 1979
Engine ignition system with variable spark internal duration
BOSCH GMBH ROBERT13 citations68
US4380973AApr 26, 1983
Glow plug for diesel engines
BOSCH GMBH ROBERT6 citations63
US5374822ADec 20, 1994
Optical transmitter for producing an optical signal indicative of temperature
BOSCH GMBH ROBERT4 citations60
US4958515ASep 25, 1990
Spark plug with a measurement device
BOSCH GMBH ROBERT6 citations58
US5645327AJul 8, 1997
Antilock control system
BOSCH GMBH ROBERT0 citations49