Inventor

DENZ HELMUT

DE93 patents

Patents

50 patents

US6167755B1Jan 2, 2001

Device for determining load in an internal combustion engine

BOSCH GMBH ROBERT242 citations97

US5197442AMar 30, 1993

Tank-venting arrangement and method of operating the same

BOSCH GMBH ROBERT61 citations96

US5193512AMar 16, 1993

Tank-venting system for a motor vehicle and method for checking the operability thereof

BOSCH GMBH ROBERT98 citations96

US5311138AMay 10, 1994

Device for monitoring the functon of an electric load, its drive and the associated connections

BOSCH GMBH ROBERT63 citations94

US4856465AAug 15, 1989

Multidependent valve timing overlap control for the cylinders of an internal combustion engine

BOSCH GMBH ROBERT80 citations94

US4550704ANov 5, 1985

Multi-cylinder internal combustion engine having disconnectable groups of cylinders

BOSCH GMBH ROBERT85 citations94

US6691653B2Feb 17, 2004

Electronic method and device for the control of gas exchange valves of an internal combustion engine having a variable opening function

BOSCH GMBH ROBERT37 citations93

US6065335AMay 23, 2000

Method for detecting the fill level quantity of a tank system

BOSCH GMBH ROBERT28 citations93

US6016789AJan 25, 2000

Apparatus for control of an internal combustion engine, especially for control of fuel injection and ignition

BOSCH GMBH ROBERT33 citations93

US5592922AJan 14, 1997

Venting apparatus for a fuel system of an internal combustion engine

BOSCH GMBH ROBERT44 citations93

US5553577ASep 10, 1996

Apparatus for checking the tightness of a tank venting system

BOSCH GMBH ROBERT31 citations93

US5511529AApr 30, 1996

Tank-venting apparatus for a motor vehicle and method for operating the apparatus

BOSCH GMBH ROBERT26 citations93

US5463998ANov 7, 1995

Method and arrangement for conducting a tank-venting diagnosis in a motor vehicle

BOSCH GMBH ROBERT20 citations93

US5245972ASep 21, 1993

Sequential fuel injection method

BOSCH GMBH ROBERT25 citations93

US5220896AJun 22, 1993

Tank-venting arrangement and method for checking the tightness thereof

BOSCH GMBH ROBERT22 citations93

US5186153AFeb 16, 1993

Tank-venting arrangement for a motor vehicle and method for checking the operability thereof

BOSCH GMBH ROBERT44 citations93

US5144927ASep 8, 1992

Method for detecting misfires in an internal combustion engine

BOSCH GMBH ROBERT31 citations93

US6918367B2Jul 19, 2005

Method for starting an internal combustion engine, particularly an internal combustion engine having direct fuel injection

BOSCH GMBH ROBERT24 citations92

US5765538AJun 16, 1998

Pump device for a fuel vapor retention system of an internal combustion engine

BOSCH GMBH ROBERT28 citations92

US5540204AJul 30, 1996

Method for reducing a torque output of an internal combustion engine

BOSCH GMBH ROBERT19 citations92

US5537322AJul 16, 1996

System and method for determining a gradient speed of a shaft driven by an internal combustion engine

BOSCH GMBH ROBERT42 citations92

US5450833ASep 19, 1995

Breather for an internal combustion engine fuel tank

BOSCH GMBH ROBERT32 citations92

US5205263AApr 27, 1993

Tank-venting apparatus as well as a method and an arrangement for checking the same

BOSCH GMBH ROBERT31 citations92

US5460134AOct 24, 1995

Transmitter arrangement for cylinder identification in an internal combustion engine having n cylinders

BOSCH GMBH ROBERT40 citations91

US5298865AMar 29, 1994

Connecting circuit for connecting a lambda probe to a control apparatus of an internal combustion engine and test method for said circuit

BOSCH GMBH ROBERT31 citations91

US4389994AJun 28, 1983

Internal combustion engine control system for use with turbo-charged engine, and method

BOSCH GMBH ROBERT36 citations91

US5669357ASep 23, 1997

Cylinder-selective injection system

BOSCH GMBH ROBERT46 citations90

US5583383ADec 10, 1996

Vehicle security system

BOSCH GMBH ROBERT31 citations89

US4794790AJan 3, 1989

Diagnostic method and arrangement for quantitatively checking actuators in internal combustion engines

BOSCH GMBH ROBERT44 citations87

US5898103AApr 27, 1999

Arrangement and method for checking the tightness of a vessel

BOSCH GMBH ROBERT26 citations86

US5195498AMar 23, 1993

Tank-venting apparatus as well as a method and arrangement for checking the tightness thereof

BOSCH GMBH ROBERT28 citations86

US7156063B2Jan 2, 2007

Starter device for an internal combustion engine as well as a method for starting an internal combustion engine

BOSCH GMBH ROBERT11 citations84

US6898511B2May 24, 2005

Method and device for monitoring a pressure sensor

BOSCH GMBH ROBERT12 citations84

US6412470B1Jul 2, 2002

Method and arrangement for controlling the drive unit of a vehicle

BOSCH GMBH ROBERT16 citations84

US8001827B2Aug 23, 2011

Gas sensor with sheath tube wherein the sheath tube or the sensor element is thermally decoupled from the sensor housing

BOSCH GMBH ROBERT14 citations83

US6758190B2Jul 6, 2004

Method and device for controlling an output variable of a drive unit in the starting phase

BOSCH GMBH ROBERT18 citations83

US5839409ANov 24, 1998

Process for finding an additional quantity of fuel to be injected during reinjection in an internal combustion engine

BOSCH GMBH ROBERT18 citations83

US5054452AOct 8, 1991

Method and apparatus for detecting a fault condition of a lambda probe

BOSCH GMBH ROBERT19 citations82

US4601199AJul 22, 1986

Method and device for self-diagnosis of final setting members

BOSCH GMBH ROBERT21 citations82

US5090387AFeb 25, 1992

Method and arrangement for checking the operational capability of an exhaust-gas probe heater and the supply system thereof

BOSCH GMBH ROBERT21 citations81

US6295486B1Sep 25, 2001

Method and arrangement for detecting a measurement quantity in a vehicle

BOSCH GMBH ROBERT9 citations74

US6170595B1Jan 9, 2001

Device for protecting a motor vehicle controller against illicit exchange

BOSCH GMBH ROBERT9 citations74

US6104974AAug 15, 2000

System for varying the gear ratio for a multi-step transmission

BOSCH GMBH ROBERT7 citations74

US5741958AApr 21, 1998

Method for detecting and documenting exhaust-gas relevant malfunctions of a motor vehicle having an internal combustion engine with the aid of on-board means

BOSCH GMBH ROBERT9 citations74

US5666925ASep 16, 1997

Method and arrangement for diagnosing a tank-venting system

BOSCH GMBH ROBERT17 citations74

Showing the top 50 of 93 patents by PatentIndex Score.

DENZ HELMUT

Patents

Device for determining load in an internal combustion engine

Tank-venting arrangement and method of operating the same

Tank-venting system for a motor vehicle and method for checking the operability thereof

Device for monitoring the functon of an electric load, its drive and the associated connections

Multidependent valve timing overlap control for the cylinders of an internal combustion engine

Multi-cylinder internal combustion engine having disconnectable groups of cylinders

Electronic method and device for the control of gas exchange valves of an internal combustion engine having a variable opening function

Method for detecting the fill level quantity of a tank system

Apparatus for control of an internal combustion engine, especially for control of fuel injection and ignition

Venting apparatus for a fuel system of an internal combustion engine

Apparatus for checking the tightness of a tank venting system

Tank-venting apparatus for a motor vehicle and method for operating the apparatus

Method and arrangement for checking the operability of a tank-venting system

Method and apparatus for checking the tightness of a tank-venting system

Method and arrangement for checking the operability of a tank-venting system

Method and device for detecting the fluid level in a tank

Method and arrangement for diagnosing a tank-venting system of a motor vehicle

Method and arrangement for conducting a tank-venting diagnosis in a motor vehicle

Sequential fuel injection method

Tank-venting arrangement and method for checking the tightness thereof

Tank-venting arrangement for a motor vehicle and method for checking the operability thereof

Method for detecting misfires in an internal combustion engine

Method for starting an internal combustion engine, particularly an internal combustion engine having direct fuel injection

Pump device for a fuel vapor retention system of an internal combustion engine

Method for reducing a torque output of an internal combustion engine

System and method for determining a gradient speed of a shaft driven by an internal combustion engine

Breather for an internal combustion engine fuel tank

Tank-venting apparatus as well as a method and an arrangement for checking the same

Transmitter arrangement for cylinder identification in an internal combustion engine having n cylinders

Connecting circuit for connecting a lambda probe to a control apparatus of an internal combustion engine and test method for said circuit

Internal combustion engine control system for use with turbo-charged engine, and method

Cylinder-selective injection system

Vehicle security system

Diagnostic method and arrangement for quantitatively checking actuators in internal combustion engines

Arrangement and method for checking the tightness of a vessel

Tank-venting apparatus as well as a method and arrangement for checking the tightness thereof

Starter device for an internal combustion engine as well as a method for starting an internal combustion engine

Method and device for monitoring a pressure sensor

Method and arrangement for controlling the drive unit of a vehicle

Gas sensor with sheath tube wherein the sheath tube or the sensor element is thermally decoupled from the sensor housing

Method and device for controlling an output variable of a drive unit in the starting phase

Process for finding an additional quantity of fuel to be injected during reinjection in an internal combustion engine

Method and apparatus for detecting a fault condition of a lambda probe

Method and device for self-diagnosis of final setting members

Method and arrangement for checking the operational capability of an exhaust-gas probe heater and the supply system thereof

Method and arrangement for detecting a measurement quantity in a vehicle

Device for protecting a motor vehicle controller against illicit exchange

System for varying the gear ratio for a multi-step transmission

Method for detecting and documenting exhaust-gas relevant malfunctions of a motor vehicle having an internal combustion engine with the aid of on-board means

Method and arrangement for diagnosing a tank-venting system