Inventor · Stow, OH, US

Richard J. Vickerman

16Patents
5h-index
19Co-inventors
59Inventor score

Filing activity: Dec 8, 1993 → Jul 19, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7807611B2 Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparation thereof Chemistry; Metallurgy 12 Active
US7651987B2 Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparation thereof Chemistry; Metallurgy 12 Active
US5422024A Aqueous functional fluids Chemistry; Metallurgy 7 Expired
US9567547B2 Continuously variable transmission fluid with extended anti-shudder durability Chemistry; Metallurgy 6 Active
US7618929B2 Secondary and tertiary amines as friction modifiers for automatic transmission fluids Chemistry; Metallurgy 5 Active
US9006156B2 Imides and bis-imides as friction modifiers in lubricants Chemistry; Metallurgy 3 Active
US8691740B2 Oxalic acid bis-amides or amide-ester as friction modifiers in lubricants Chemistry; Metallurgy 2 Active
US7754488B2 Rapid analysis of functional fluids Physics 2 Active
US5670081A Salt compositions and functional fluids using same Emerging Cross-Sectional Technologies 0 Expired
US9512379B2 Overbased friction modifiers and methods of use thereof Chemistry; Metallurgy 0 Active
US8501674B2 Amine derivatives as friction modifiers in lubricants Chemistry; Metallurgy 0 Active
US9481848B2 Carboxylic pyrrolidinones and methods of use thereof Chemistry; Metallurgy 0 Active
US8778858B2 Amine derivatives as friction modifiers in lubricants Chemistry; Metallurgy 0 Active
US8148307B2 Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparations thereof Chemistry; Metallurgy 0 Active
US8133290B2 Tartaric acid derivatives in fuel compositions Chemistry; Metallurgy 0 Active
US8198222B2 Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparations thereof Chemistry; Metallurgy 0 Active

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