Inventor
MAURER HELMUT
DE43 patents
⚠️ This page may combine multiple inventors who share the name “MAURER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOSCH GMBH ROBERT
38 patentsUS4489596ADec 25, 1984
Spark plug with measuring means
BOSCH GMBH ROBERT103 citations96
US4393687AJul 19, 1983
Sensor arrangement
BOSCH GMBH ROBERT56 citations96
US4300990ANov 17, 1981
Electrochemical sensor element construction
BOSCH GMBH ROBERT82 citations96
US4496455AJan 29, 1985
Polarographic sensor and sensing system for determining oxygen content in gases
BOSCH GMBH ROBERT28 citations93
US4452189AJun 5, 1984
Separately ignited internal combustion engine with at least one main combustion chamber and an ignition chamber assigned to it
BOSCH GMBH ROBERT42 citations93
US4422323ADec 27, 1983
Combustion process observation element construction
BOSCH GMBH ROBERT30 citations93
US4294679AOct 13, 1981
Flat electrochemical sensor, and method of its manufacture
BOSCH GMBH ROBERT40 citations93
US4381748AMay 3, 1983
Method of regulating combustion in the combustion chambers of an internal combustion engine
BOSCH GMBH ROBERT48 citations92
US4283261AAug 11, 1981
Electrochemical sensor structure to determine oxygen content in combustion exhaust gases
BOSCH GMBH ROBERT50 citations92
US4277323AJul 7, 1981
Electrochemical oxygen sensor, particularly for use in the exhaust system of automotive-type internal combustion engines
BOSCH GMBH ROBERT39 citations92
US4334974AJun 15, 1982
Electrochemical oxygen sensor, particularly for use with exhaust gases of internal combustion engines, and especially for polarographic application
BOSCH GMBH ROBERT55 citations90
US4023358AMay 17, 1977
Internal combustion engine reactor protective control system
BOSCH GMBH ROBERT32 citations87
US7109721B2Sep 19, 2006
Method and electronic circuit for regenerating an electrical contact
BOSCH GMBH ROBERT13 citations82
US4426986AJan 24, 1984
Apparatus for controlling the exhaust gas recirculation rate in an internal combustion engine
BOSCH GMBH ROBERT16 citations82
US4391691AJul 5, 1983
Temperature compensated polarographic oxygen gas sensor and sensing system, particularly for automotive application
BOSCH GMBH ROBERT22 citations82
US4377086AMar 22, 1983
Sensor system
BOSCH GMBH ROBERT21 citations82
US4358952ANov 16, 1982
Optical engine knock sensor
BOSCH GMBH ROBERT22 citations82
US4155827AMay 22, 1979
Electro-chemical sensor construction
BOSCH GMBH ROBERT27 citations82
US3948081AApr 6, 1976
Exhaust gas operated apparatus for continuously measuring air number of engine intake mixture
BOSCH GMBH ROBERT28 citations82
US4347113AAug 31, 1982
Oxygen content exhaust gas sensor, and method of its manufacture
BOSCH GMBH ROBERT25 citations81
US4172433AOct 30, 1979
Process and apparatus for fuel-mixture preparation
BOSCH GMBH ROBERT29 citations81
US4474163AOct 2, 1984
Device for the improvement of combustion in internal combustion engines
BOSCH GMBH ROBERT13 citations74
US4394855AJul 26, 1983
Internal combustion engine with externally supplied ignition having an ignition chamber associated with the main combustion chamber
BOSCH GMBH ROBERT9 citations74
US4389373AJun 21, 1983
Heated ion current sensor for high temperatures
BOSCH GMBH ROBERT11 citations74
US4369748AJan 25, 1983
Optical engine knock sensing system
BOSCH GMBH ROBERT17 citations74
US4333439AJun 8, 1982
Apparatus for controlling the exhaust gas recirculation rate in an internal combustion engine
BOSCH GMBH ROBERT6 citations74
US4157948AJun 12, 1979
Oxygen sensor to determine the oxygen content in gases
BOSCH GMBH ROBERT9 citations74
US4601276AJul 22, 1986
Method of and device for regulating fuel-and-air mixture supplied to an internal combustion engine
BOSCH GMBH ROBERT10 citations73
US4412446ANov 1, 1983
Optical combustion sensor, particularly for use with internal combustion engines
BOSCH GMBH ROBERT9 citations73
US4355618AOct 26, 1982
Method and apparatus for obtaining a control variable for the closed-loop control of the fuel-air ratio in the operating mixture of internal combustion engines
BOSCH GMBH ROBERT11 citations73
US4292158ASep 29, 1981
Oxygen sensor of the polarographic type, particularly for use with internal combustion engines
BOSCH GMBH ROBERT19 citations73
US4130098ADec 19, 1978
Method and apparatus for reducing the toxic components in exhaust gas
BOSCH GMBH ROBERT9 citations73
US4075992AFeb 28, 1978
Method and apparatus for reducing the toxic components in exhaust gas
BOSCH GMBH ROBERT11 citations73
US4212720AJul 15, 1980
Electrically heated electrochemical sensor construction, particularly to determine oxygen concentration in exhaust gases from combustion engines
BOSCH GMBH ROBERT18 citations72
US4962737AOct 16, 1990
Device for controlling at least one throttle cross-section at a control opening
BOSCH GMBH ROBERT8 citations71
US4322947AApr 6, 1982
Control apparatus for a fuel supply system for mixture-compressing, externally ignited internal combustion engines
BOSCH GMBH ROBERT8 citations70
US4291572ASep 29, 1981
Method and system for controlling the temperature of a heat measuring sensor especially in motor vehicles
BOSCH GMBH ROBERT14 citations70
US4200071AApr 29, 1980
Exhaust gas control system for an internal combustion engine
BOSCH GMBH ROBERT5 citations60
DEGUSSA
5 patentsUS4626603ADec 2, 1986
Process for the continuous production of vicinal diols
DEGUSSA10 citations73
US4762954AAug 9, 1988
Continuous method for the production of 1,2-diols
DEGUSSA7 citations71
US4605795AAug 12, 1986
Continuous process for the production of pentanediol-1,2
DEGUSSA11 citations69
US4801759AJan 31, 1989
Process for producing vicinal diols
DEGUSSA6 citations60
US4921983AMay 1, 1990
Method for the continuous epoxidation of olefins
DEGUSSA1 citations51