Inventor · Portland, OR, US

David Thorpe

19Patents
9h-index
26Co-inventors
72Inventor score

Filing activity: Jan 13, 1995 → Apr 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD640304S1 Base mount for securing a portable camera General 41 Expired
USD671542S1 Imaging device General 38 Active
US5762787A Fluid filtration system having a readily detachable cartridge filter Emerging Cross-Sectional Technologies 36 Expired
USD665006S1 Plug mount for camera General 35 Active
USD621435S1 Portable digital video camera General 34 Expired
USD640722S1 Digital video camera General 25 Expired
US5549010A Readily serviceable ancillary fluid filtration system having visual flow rate indicator and quick-release fluid hose fitting Emerging Cross-Sectional Technologies 16 Expired
USD616006S1 Portable digital video camera General 16 Expired
US5709795A Fluid filtration system having a fluid hose storage system Emerging Cross-Sectional Technologies 9 Expired
USD689114S1 Camera mount General 8 Active
US5725025A Fluid filtration system with quick-release fluid hose fitting Emerging Cross-Sectional Technologies 8 Expired
US8792041B2 Control switch for a portable digital video camera Physics 6 Active
USD425175S Water filter cap General 5 Expired
US10477078B2 Image orientation control for a portable digital video camera Physics 3 Active
US8430547B2 Compact motion-simulating device Human Necessities 3 Active
US11310398B2 Image orientation control for a portable digital video camera Physics 2 Active
US7950803B2 Perspective vision tunnel Human Necessities 0 Active
US12348843B2 Image orientation control for a portable digital video camera Physics 0 Active
US10965843B2 Image orientation control for a portable digital video camera Physics 0 Active

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