Inventor · Groveland, IL, US

Doug Smith

29Patents
12h-index
46Co-inventors
81Inventor score

Filing activity: Jun 2, 2000 → Aug 4, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6877572B2 Motorized traction device for a patient support Human Necessities 73 Expired
US7090041B2 Motorized traction device for a patient support Human Necessities 67 Expired
US7407024B2 Motorized traction device for a patient support Human Necessities 65 Active
US6749034B2 Motorized traction device for a patient support Human Necessities 59 Expired
US7195253B2 Motorized traction device for a patient support Human Necessities 58 Expired
US7828092B2 Motorized traction device for a patient support Human Necessities 56 Active
US7083012B2 Motorized traction device for a patient support Human Necessities 52 Expired
US8051931B2 Motorized traction device for a patient support Human Necessities 31 Active
US6470520B1 Bed section attachment mechanism Human Necessities 29 Expired
US8267206B2 Motorized traction device for a patient support Human Necessities 28 Active
US8105018B2 Decoupler devices to prevent backdrive in air turbine starters Mechanical Engineering; Lighting; Heating 16 Active
USD621898S1 Ground blind General 16 Expired
US9752508B2 Air turbine starters having oil feed shutoff valves and gas turbine engines including the same Mechanical Engineering; Lighting; Heating 10 Active
US8650818B1 Mounting apparatus for door jambs and window frames Fixed Constructions 5 Active
US8172202B2 Butterfly valve assembly including a bearing assembly for serrated spline constraint Mechanical Engineering; Lighting; Heating 5 Active
US10543421B1 Game using a dodecahedron Human Necessities 5 Active
US6875383B2 Method and apparatus for injection molding Performing Operations; Transporting 4 Expired
US9701388B2 Gasket having a pliable resilient body with a perimeter having characteristics different than the body Electricity 3 Active
USD558897S1 Rounded platform tree stand General 2 Expired
USD558898S1 Rounded platform tree stand General 2 Expired
USD613424S1 Pair of foot platform support tubes General 1 Expired
US11829775B2 Smart compute resistive memory Emerging Cross-Sectional Technologies 1 Active
US11443802B2 Adaptive memory management and control circuitry Physics 1 Active
USD609365S1 Stackable ladder General 1 Expired
US11436025B2 Smart compute resistive memory Emerging Cross-Sectional Technologies 1 Active

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