Inventor · Buffalo, MN, US

David Schmidt

19Patents
7h-index
15Co-inventors
63Inventor score

Filing activity: Nov 14, 1977 → Apr 15, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6124877A System for monitoring and reporting viewing of television programming Electricity 68 Expired
US5116326A Hypodermic needle sheath Human Necessities 45 Expired
US6883614B2 Modular actuator system for valves and chokes Mechanical Engineering; Lighting; Heating 15 Expired
US4959582A Video storage cabinet Fixed Constructions 12 Expired
US4923336A Dock supporting apparatus Fixed Constructions 10 Expired
US5013302A Hypodermic needle sheath Human Necessities 8 Expired
US4178326A Low-shrink thermosetting polyesters Chemistry; Metallurgy 7 Expired
US7275606B1 Solids strainer system for a hydraulic choke Emerging Cross-Sectional Technologies 6 Active
US7360611B2 Flow system for a hydraulic choke solids strainer Emerging Cross-Sectional Technologies 5 Active
US7124770B2 Shear mechanism for backpressure relief in a choke valve Emerging Cross-Sectional Technologies 4 Expired
US5634875A Folding machine Performing Operations; Transporting 3 Expired
US7941497B2 Community-based method and system for creating and subscribing to dynamic push channels Electricity 2 Active
US9221529B1 Life jacket with a lock Fixed Constructions 2 Active
US6974502B2 Coating chamber and templates to produce decorative mouldings Performing Operations; Transporting 2 Expired
US7231932B2 Apparatus and methods for servicing a hydraulic choke Emerging Cross-Sectional Technologies 2 Active
US7752272B2 System and method for filter content pushed to client device Electricity 2 Active
US9396516B2 Method and apparatus for displaying ordinate abscissa value pairs on a display device Physics 1 Active
US7159604B2 Manipulator system for servicing a hydraulic choke Emerging Cross-Sectional Technologies 1 Expired
US10571491B2 Measuring device and a method for improved imaging of the spectral characteristics Physics 0 Active

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