Inventor

Johannes Locher

Inventor

Stuttgart, DE

Overview

1980–2006

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 37 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F02Dprimary

F02DControlling combustion engines27%

F02BInternal-combustion piston engines16%

Y02TClimate change mitigation technologies related to transportation11%

F02PIgnition, other than compression ignition, for internal-combustion engines7%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%

F23QIgnition5%

G01RMeasuring electric variables5%

G01DMeasuring not specially adapted for a specific variable4%

H03KPulse technique4%

G05BControl or regulating systems in general2%

PatentTitleYear

7,122,764'Sheathed element glow plug'2006 6,668,630'Device for monitoring the combustion process in internal combustion engines'2003 6,054,680'Pencil type glow plug for diesel engines'2000 6,046,434'Glow plug having a multi-part sheath of adjustable length'2000 5,816,220'Process and device for monitoring a fuel delivery system'1998 5,653,210'Method and device for the open-loop and/or closed loop control of a final controlling element'1997 5,444,381'Measuring circuit for impedance values particularly for use with inductive displacement transmitters'1995 5,335,136'Electronic circuit arrangement for triggering solenoid valves'1994 5,319,180'Glow plug with constant-structure cobalt-iron PTC resistor'1994 5,313,153'Circuit arrangement for cyclic supply'1994 5,245,501'Process and apparatus for controlling and measuring the movement of an armature of an electromagnetic switching member'1993 5,235,949'Method and arrangement for controlling the fuel metered in a diesel engine'1993 5,202,628'Evaluating circuit for linearizing the output of differential-choke displacement transmitter'1993 5,131,371'Method and arrangement for controlling a self-igniting internal combustion engine'1992 5,116,342'Trigger circuit with self-adjusting reference value'1992 5,070,836'Method and arrangement for controlling the injection of fuel in an internal combustion engine'1991 5,063,903'Method and arrangement for controlling the metering of fuel in an internal combustion engine'1991 5,042,434'Combined control apparatus and cooling system for an internal combustion engine'1991 4,839,812'Method and system for testing internal combustion engine computerized control units'1989 4,658,772'System for controlling the temperature of a hot spot or a glow plug in an internal combustion engine'1987 4,563,995'Method of and circuit for analyzing output signals from a sensor installed in an internal combustion engine'1986 4,556,039'Method and apparatus for adapting and controlling the exhaust gas circulation rate'1985 4,541,271'Measuring arrangement for continuous monitoring operating parameters of an internal combustion engine'1985 4,534,328'Emergency control apparatus for a Diesel engine'1985 4,527,121'Short-circuit-protected evaluation circuit of high stability for variable inductance transducers'1985 4,520,419'Polarity and overload protective circuit for electric consumers'1985 4,499,412'Regulating device for an electromagnetic control element, especially in an internal combustion engine with auto-ignition'1985 4,492,913'Current regulating circuit for an electric consumer'1985 4,487,059'Circuit for producing pulses indicative of speed from a rotary generator without timing shift'1984 4,475,513'Fuel metering device for fuel injection pumps'1984 4,467,762'Control apparatus for a fuel metering system'1984 4,451,778'Short-circuit-resistant trigger circuit layout for an electrical consumer'1984 4,362,050'Fuel injection nozzle for internal combustion engines'1982 4,359,991'Method and apparatus for fuel metering in internal combustion engines'1982 4,292,658'Monitor apparatus for electrical circuits with virtual resistance'1981 4,243,004'Injection pump with electronically controlled full-load stop'1981 4,219,000'Control device for selectable speeds in internal combustion engines'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2006Patents assigned to BOSCH GMBH ROBERT (37)· patent assignee history

1980–2000Based in Stuttgart, DE· patent location history

2003–2006Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BOSCH GMBH ROBERT	37	1980–2006

Locations

Location	Patents	Span
Stuttgart, DE	35	1980–2000
Seoul, KR	2	2003–2006