Inventor · Hemmingen, DE

Helmut Janetzke

12Patents
7h-index
30Co-inventors
62Inventor score

Filing activity: Oct 14, 1983 → Dec 28, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US6219604A Steer-by-wire steering system for motorized vehicles Performing Operations; Transporting 198 Expired
US4794538A Method to control the operation of wheels of a vehicle to prevent slipping or skidding, and brake locking Performing Operations; Transporting 42 Expired
US5293852A Method and arrangement for the open-loop and/or close-loop control of an operating variable of an internal combustion engine Mechanical Engineering; Lighting; Heating 17 Expired
US4582031A Electronic control system for an internal combustion engine Mechanical Engineering; Lighting; Heating 17 Expired
US5060611A Process and device for influencing the air feed in an internal-combustion engine, in particular during idling and coasting Emerging Cross-Sectional Technologies 10 Expired
US4677560A Speed control for motor vehicles with microcomputer step-by-step control Mechanical Engineering; Lighting; Heating 9 Expired
US5861553A Method of detecting combustion misfires Mechanical Engineering; Lighting; Heating 8 Expired
US5094207A Method and apparatus for adapting the characteristic of an idling adjuster Mechanical Engineering; Lighting; Heating 4 Expired
US4658783A System for regulating rotary speed of an internal combustion engine Mechanical Engineering; Lighting; Heating 4 Expired
US5419186A Method and arrangement for checking the operation of an actuator in a motor vehicle Emerging Cross-Sectional Technologies 3 Expired
US4580445A Method and apparatus for determining the influence of different control quantities on the measured values of the rotational speed of an internal combustion engine Emerging Cross-Sectional Technologies 1 Expired
US5020501A Control system for an internal combustion engine Emerging Cross-Sectional Technologies 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.