Inventor · Monroeville, PA, US

Robert Gainer

10Patents
5h-index
10Co-inventors
63Inventor score

Filing activity: Jun 3, 1974 → Mar 27, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4190753A High-density high-conductivity electrical contact material for vacuum interrupters and method of manufacture Emerging Cross-Sectional Technologies 16 Expired
US7246908B2 Combination control for a projection device Physics 15 Expired
US3960554A Powdered metallurgical process for forming vacuum interrupter contacts Emerging Cross-Sectional Technologies 12 Expired
US4766274A Vacuum circuit interrupter contacts containing chromium dispersions Electricity 9 Expired
US8731389B2 Auto-focus mechanism for vision system camera Electricity 8 Active
US7442161B2 Position adjuster for a device Mechanical Engineering; Lighting; Heating 5 Expired
US4402905A Production of a polycrystalline silicon aluminum alloy by a hot pressing technique Chemistry; Metallurgy 5 Expired
US4261099A Method for making multi-element brushes Emerging Cross-Sectional Technologies 3 Expired
US7594846B2 Etched vent screens Physics 1 Active
US9550280B1 Tool for installing and removing threaded camera lenses Electricity 0 Active

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