Inventor · Pieterlen, CH

Urs Christen

41Patents
10h-index
64Co-inventors
78Inventor score

Filing activity: Jun 3, 1974 → Mar 30, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6594990B2 Method for regenerating a diesel particulate filter Emerging Cross-Sectional Technologies 118 Expired
US6405528B1 Method for determining load on particulate filter for engine exhaust, including estimation of ash content Emerging Cross-Sectional Technologies 65 Expired
US6304815A Method for controlling an exhaust gas temperature of an engine for improved performance of exhaust aftertreatment systems Emerging Cross-Sectional Technologies 64 Expired
US6574956B1 Apparatus and method for interrupting regeneration of a particulate filter in a diesel engine Emerging Cross-Sectional Technologies 47 Expired
US7272487B2 Method for monitoring combustion stability of an internal combustion engine Emerging Cross-Sectional Technologies 35 Active
US6840218B2 Method for detecting and regulating the start of combustion in an internal combustion engine Emerging Cross-Sectional Technologies 18 Expired
US6644020B2 Device and method for regenerating an exhaust gas aftertreatment device Emerging Cross-Sectional Technologies 17 Expired
US9050935B2 Assessment of driving behavior of a driver of a motor vehicle Emerging Cross-Sectional Technologies 12 Active
US8095291B2 Voice control system and method for a motor vehicle with a stop/start device Emerging Cross-Sectional Technologies 11 Active
US6850836B1 Method and system for assessing combustion noise in an internal combustion engine Mechanical Engineering; Lighting; Heating 10 Expired
US8112208B2 Engine speed reduction preparatory to an engine restart Emerging Cross-Sectional Technologies 9 Active
US8908401B2 Multiphase soft-switched DC-DC converter Electricity 9 Active
US3954012A Automatic sampler apparatus Physics 8 Expired
US8308607B2 Method for automatically restarting an internal combustion engine in a motor vehicle Emerging Cross-Sectional Technologies 6 Active
US10732622B2 Advanced user interaction features for remote park assist Performing Operations; Transporting 5 Active
US4072846A Control system for a chromatography apparatus oven door Physics 5 Expired
US8784266B2 Method for operating an automatic start/stop system in a vehicle Emerging Cross-Sectional Technologies 4 Active
US8622872B2 Method and control system for opening the drivetrain of a motor vehicle Emerging Cross-Sectional Technologies 4 Active
US10413605B2 Combination therapy for the treatment of autoimmune diseases Chemistry; Metallurgy 2 Active
US4068185A Current balancing circuit for use with chromatographic system detector Physics 2 Expired
US9261065B2 Operating an automatic start-stop system Emerging Cross-Sectional Technologies 2 Active
US9150210B2 Method and control system for opening the drivetrain of a motor vehicle Emerging Cross-Sectional Technologies 1 Active
US9499066B2 Method for determining a charge acceptance, and method for charging a rechargeable battery Emerging Cross-Sectional Technologies 1 Active
US11693398B2 Advanced user interaction features for remote park assist Performing Operations; Transporting 1 Active
US8958969B2 Method and device for operating a motor vehicle with an internal combustion engine in a coasting operating mode Emerging Cross-Sectional Technologies 0 Active

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