Inventor · Calgary, AB, CA

John Boyd

7Patents
4h-index
6Co-inventors
50Inventor score

Filing activity: Aug 29, 1979 → Jan 22, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5992522A Process and seal for minimizing interzonal migration in boreholes Fixed Constructions 25 Expired
US5667010A Process and plug for well abandonment Fixed Constructions 17 Expired
US5335167A Filament winding apparatus Performing Operations; Transporting 8 Expired
US4305518A Portable chemical resistant fiberglass reinforced plastic storage tank Performing Operations; Transporting 5 Expired
US7481899B2 Apparatus and method for making large diameter wound-fiber reinforced tanks Mechanical Engineering; Lighting; Heating 1 Active
US8210319B2 Hydraulic elevating platform assembly Performing Operations; Transporting 1 Active
US7892380B2 Apparatus and method for making large diameter wound-fiber reinforced tanks Mechanical Engineering; Lighting; Heating 0 Active

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