Inventor · Willowick, OH, US

Daniel J. Knapton

8Patents
2h-index
16Co-inventors
44Inventor score

Filing activity: Mar 19, 2009 → Jun 19, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US9758743B2 Mixtures of olefin-ester copolymer with polyolefin as viscosity modifier Chemistry; Metallurgy 3 Active
US9382275B2 Preparation of phosphorus—containing antiwear composition for use in lubricant compositions Chemistry; Metallurgy 2 Active
US9550799B2 Preparation of phosphorus-containing antiwear compounds for use in lubricant compositions Chemistry; Metallurgy 1 Active
US8257975B2 Marker dyes for petroleum products Emerging Cross-Sectional Technologies 1 Active
US9074157B2 Polymeric phosphorus esters for lubricant applications Chemistry; Metallurgy 0 Active
US11261398B2 Hydraulic fluid composition Chemistry; Metallurgy 0 Active
US11702610B2 Lubricating compositions Chemistry; Metallurgy 0 Active
US10597599B2 Nitrogen-functionalized olefin polymers for engine lubricants Chemistry; Metallurgy 0 Active

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