Inventor · Parma, OH, US

James A. Supp

10Patents
7h-index
10Co-inventors
52Inventor score

Filing activity: Aug 21, 1996 → Jul 13, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5705458A Additive compositions for lubricants and functional fluids Chemistry; Metallurgy 84 Expired
US5693598A Low-viscosity lubricating oil and functional fluid compositions Chemistry; Metallurgy 58 Expired
US5902776A Additive compositions for lubricants and functional fluids Chemistry; Metallurgy 22 Expired
US5674820A Additive compositions for lubricants and functional fluids Chemistry; Metallurgy 19 Expired
US6207624A Engine oil having dispersant and aldehyde/epoxide for improved seal performance, sludge and deposit performance Chemistry; Metallurgy 17 Expired
US5712230A Additive compositions having reduced sulfur contents for lubricants and functional fluids Chemistry; Metallurgy 8 Expired
US6121211A Engine oil having dithiocarbamate and aldehyde/epoxide for improved seal performance, sludge and deposit performance Chemistry; Metallurgy 8 Expired
US5726132A Oil composition for improving fuel economy in internal combustion engines Chemistry; Metallurgy 7 Expired
US5834407A Lubricants and functional fluids containing heterocyclic compounds Chemistry; Metallurgy 5 Expired
US6001783A Mixed polysulfides and lubricants and functional fluids containing the same Chemistry; Metallurgy 2 Expired

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