Inventor · South Lyon, MI, US

James P. Downs

96Patents
13h-index
43Co-inventors
84Inventor score

Filing activity: Jan 9, 1995 → Nov 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5540300A Drive axle assembly with lubricant cooling system Emerging Cross-Sectional Technologies 55 Expired
US8042642B2 Motor vehicle with disconnectable all-wheel drive system Mechanical Engineering; Lighting; Heating 38 Active
US8167758B2 Drive axle assembly with gear mesh lubrication systems for lubricating gear mesh and/or differential bearings Mechanical Engineering; Lighting; Heating 34 Active
US8047323B2 Motor vehicle with disconnectable all-wheel drive system Performing Operations; Transporting 29 Active
US8469854B1 Disconnectable driveline for all-wheel drive vehicle Mechanical Engineering; Lighting; Heating 29 Active
US5951431A Differential unit with optimized assembly window geometry Emerging Cross-Sectional Technologies 27 Expired
US7363995B2 Overrunning clutch and method of controlling engagement of same Mechanical Engineering; Lighting; Heating 24 Active
US7347785B2 Propshaft with constant velocity joint attachment Emerging Cross-Sectional Technologies 18 Expired
US9062744B2 Two-speed drive module Physics 18 Active
US7901318B2 Four pinion differential with cross pin retention unit and related method Emerging Cross-Sectional Technologies 18 Active
US8597150B1 Disconnectable driveline for all-wheel drive vehicle Mechanical Engineering; Lighting; Heating 18 Active
US8584785B2 Motor vehicle with disconnectable all-wheel drive system Mechanical Engineering; Lighting; Heating 16 Active
US7416505B2 Two-speed all-wheel drive system Performing Operations; Transporting 13 Active
US8986148B2 Single speed and two-speed disconnecting axle arrangements Mechanical Engineering; Lighting; Heating 13 Active
US9028358B2 Disconnecting axle assembly Mechanical Engineering; Lighting; Heating 12 Active
US8986151B2 Disconnecting rear drive axle for longitudinally arranged powertrains Emerging Cross-Sectional Technologies 11 Active
US8795126B2 Disconnectable driveline for all-wheel drive vehicle Emerging Cross-Sectional Technologies 10 Active
US11303183B2 Electric drive module Electricity 10 Active
US7207409B2 Two speed all wheel drive system Performing Operations; Transporting 10 Expired
US8961353B2 Two-speed disconnecting driveline with one reduction gearset Performing Operations; Transporting 10 Active
US9783035B1 Compact electrically powered axle assembly Emerging Cross-Sectional Technologies 9 Active
US11293534B2 Electric drive module with transmission having parallel twin gear pairs sharing load to a final drive gear Mechanical Engineering; Lighting; Heating 8 Active
US9157515B2 Axle assembly Mechanical Engineering; Lighting; Heating 8 Active
US9777818B2 Two-speed drive module Physics 7 Active
US9249873B2 Power transmitting component with torque transfer device configured with drag reduction system Mechanical Engineering; Lighting; Heating 7 Active

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