Inventor · Tupelo, MS, US

Eugene Graff

14Patents
9h-index
5Co-inventors
65Inventor score

Filing activity: Nov 27, 1979 → Oct 12, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4305019A Warm-white fluorescent lamp having good efficacy and color rendering and using special phosphor blend as separate undercoat Chemistry; Metallurgy 61 Expired
USD561930S1 Luminaire lens General 54 Expired
US8002446B1 Virtual direct and indirect suspended lighting fixture Mechanical Engineering; Lighting; Heating 52 Active
USD561383S1 Luminaire lens General 48 Expired
US4363998A Fluorescent lamp processing which improves performance of zinc silicate phosphor used therein Electricity 33 Expired
US9308289B2 Air purifying luminaire Emerging Cross-Sectional Technologies 21 Active
USD561931S1 Luminaire lens and baffle General 17 Expired
US4500810A Fluorescent lamp having integral light-filtering means and starting aid Electricity 13 Expired
USD561384S1 Luminaire lens and baffle General 12 Expired
US4265950A Phosphor-coating composition and method for electric discharge lamp Emerging Cross-Sectional Technologies 8 Expired
US6817732B1 Efficiency fluorescent lighting system Mechanical Engineering; Lighting; Heating 7 Expired
US7229191B1 Industrial up light reflector Mechanical Engineering; Lighting; Heating 5 Expired
US9163814B2 Integral troffer motion detector Emerging Cross-Sectional Technologies 5 Active
USRE40619E1 Efficient fluorescent lighting system General 2 Expired

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