Inventor · Swinton, GB

David Schofield

11Patents
3h-index
14Co-inventors
57Inventor score

Filing activity: Apr 4, 1977 → Aug 16, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4663343A Substituted naphthalenyloxy-1,2-diaminocyclohexyl amide compounds Chemistry; Metallurgy 64 Expired
US6960320B1 Oil burning lamps and related systems Human Necessities 13 Expired
USD542434S1 Oil lamp General 4 Expired
US4116998A Preparation of esters of m-phenoxybenzyl alcohol and its .alpha.-cyano and .alpha.-ethinyl derivatives with 2,2-dimethylcyclopropanecarboxylic acids Human Necessities 3 Expired
US9629410B2 Anti-pinch apparel closure Emerging Cross-Sectional Technologies 3 Active
US6479714B1 Process for the preparation of butane triols Chemistry; Metallurgy 2 Expired
US4786747A Substituted benzamides Chemistry; Metallurgy 1 Expired
US4575557A Preparation of substituted benzamides Chemistry; Metallurgy 1 Expired
USD671861S1 Buckle closure General 0 Active
US7214259B2 Inks containing water-soluble perylene dyes and their use in ink-jet printing Chemistry; Metallurgy 0 Expired
US7446184B2 Magenta dyes and their use in ink-jet printing Chemistry; Metallurgy 0 Expired

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