Inventor · Leonberg, DE

Klaus Hirschmann

14Patents
6h-index
22Co-inventors
66Inventor score

Filing activity: Dec 6, 1989 → Dec 28, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5438826A Method for adjusting the fuel/air mixture for an internal combustion engine after an overrun phase of operation Mechanical Engineering; Lighting; Heating 12 Expired
US5787867A Lambda control method Mechanical Engineering; Lighting; Heating 8 Expired
US5241857A Method for correcting the measuring errors of a hot-film air-mass meter Physics 8 Expired
US5101795A Fuel injection system for an internal combustion engine, having compensation for changing dynamic operating conditions Mechanical Engineering; Lighting; Heating 6 Expired
US7280906B2 Method for detecting misfires of an internal combustion engine and device for carrying out the method Emerging Cross-Sectional Technologies 6 Expired
US7818999B2 Procedure to measure the oxygen storage capability of an emission control system Emerging Cross-Sectional Technologies 6 Active
US5020363A Method for determining atmospheric air pressure in pressure-controlled fuel injection systems Mechanical Engineering; Lighting; Heating 5 Expired
US7051515B2 Method and model for modeling a discharge phase of a nitrous oxide storage catalytic converter Emerging Cross-Sectional Technologies 4 Expired
US5586543A Mixture controller for an internal combustion engine Mechanical Engineering; Lighting; Heating 3 Expired
US5209060A Method for the continuous lambda control of an internal combustion engine having a catalyzer Emerging Cross-Sectional Technologies 3 Expired
US6497094B1 Method for monitoring a secondary air system in associated with the exhaust system of a vehicle Emerging Cross-Sectional Technologies 3 Expired
US8141345B2 Method and device for regulating the fuel/air ratio of a combustion process Mechanical Engineering; Lighting; Heating 2 Active
US5291873A Method and arrangement for determining a parameter of a lambda controller Mechanical Engineering; Lighting; Heating 1 Expired
US6029642A Method for forming a fuel-metering signal for an internal combustion engine Mechanical Engineering; Lighting; Heating 0 Expired

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