Inventor · Grand Rapids, MI, US

John P. Smith

11Patents
7h-index
7Co-inventors
59Inventor score

Filing activity: Feb 14, 1978 → Jun 30, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4693486A Trailing arm suspension with wrapper compression axle mounting Emerging Cross-Sectional Technologies 52 Expired
US6241266A Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting Performing Operations; Transporting 50 Expired
US6491314B2 Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting Performing Operations; Transporting 27 Expired
US5193432A Tamper-resistant brake actuator Emerging Cross-Sectional Technologies 24 Expired
US5460076A Fluid-operated brake actuator with internal check valve Emerging Cross-Sectional Technologies 21 Expired
US7104934B1 Hand exercise device Human Necessities 17 Expired
US4726571A Height control valve with spring return actuator Performing Operations; Transporting 12 Expired
US4149234A Inverter arrangements Electricity 2 Expired
USD525339S1 Automotive theme fishing reel General 1 Expired
US8420844B2 Hydrosilylation process for gaseous unsaturated hydrocarbons Chemistry; Metallurgy 1 Active
US7159405B1 Temperature control of gas filling process Mechanical Engineering; Lighting; Heating 0 Expired

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