Inventor · Ferndale, MI, US

Gregory A. Marsh

53Patents
15h-index
49Co-inventors
84Inventor score

Filing activity: Dec 23, 1993 → Aug 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5415147A Split temperature regulating system and method for turbo charged internal combustion engine Emerging Cross-Sectional Technologies 60 Expired
US6230668A Locomotive cooling system Emerging Cross-Sectional Technologies 55 Expired
US5566745A Shuttered radiator system with control Mechanical Engineering; Lighting; Heating 53 Expired
US6098576A Enhanced split cooling system Emerging Cross-Sectional Technologies 47 Expired
US8042642B2 Motor vehicle with disconnectable all-wheel drive system Mechanical Engineering; Lighting; Heating 38 Active
US6604515B2 Temperature control for turbocharged engine Emerging Cross-Sectional Technologies 37 Expired
US7445067B2 Electric wheel motor assembly Emerging Cross-Sectional Technologies 32 Active
US8047323B2 Motor vehicle with disconnectable all-wheel drive system Performing Operations; Transporting 29 Active
US5561602A Tunnel operation for self-propelled traction vehicles Performing Operations; Transporting 27 Expired
US6647934B2 Unified rotary flow control valve for internal combustion engine cooling system Emerging Cross-Sectional Technologies 27 Expired
US7559390B2 Electronic all-wheel drive module with overrunning clutch differential Emerging Cross-Sectional Technologies 20 Active
US5669311A Shuttered radiator system with control Mechanical Engineering; Lighting; Heating 20 Expired
US7753151B2 Electric wheel motor assembly Emerging Cross-Sectional Technologies 18 Active
US6196167A Cooling system for internal combustion engine Emerging Cross-Sectional Technologies 18 Expired
US8584785B2 Motor vehicle with disconnectable all-wheel drive system Mechanical Engineering; Lighting; Heating 16 Active
US6327980A Locomotive engine inlet air apparatus and method of controlling inlet air temperature Emerging Cross-Sectional Technologies 15 Expired
US8826893B2 Thermal management systems and methods Emerging Cross-Sectional Technologies 12 Active
US7377343B2 Centrifugal clutch Performing Operations; Transporting 11 Active
US7588508B2 Auxillary drive system for motor vehicles having axle assembly and electric drive unit Emerging Cross-Sectional Technologies 10 Active
US7886863B2 Driveshaft assembly with torque sensor Physics 9 Active
US7757678B2 Locomotive exhaust gas recirculation cooling Emerging Cross-Sectional Technologies 8 Active
US9303549B2 Engine cooling system and method for an engine Emerging Cross-Sectional Technologies 8 Active
US7721855B2 Locomotive dynamic braking grid package configuration Performing Operations; Transporting 7 Active
US7533636B2 System, method, and computer readable media for controlling cooling in a diesel fueled power generation unit Emerging Cross-Sectional Technologies 7 Active
US9022892B1 Axle assembly having differential assembly with inverted differential bearings Mechanical Engineering; Lighting; Heating 7 Active

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