Inventor · Richmond, VA, US

Mark T. Devlin

40Patents
10h-index
37Co-inventors
75Inventor score

Filing activity: Jul 22, 1993 → May 6, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6107257A Highly grafted, multi-functional olefin copolymer VI modifiers Chemistry; Metallurgy 85 Expired
US5650381A Lubricant containing molybdenum compound and secondary diarylamine Chemistry; Metallurgy 63 Expired
USRE37363E Lubricant containing molybdenum compound and secondary diarylamine General 46 Expired
USRE38929E1 Lubricant containing molybdenum compound and secondary diarylamine General 44 Expired
US6107258A Functionalized olefin copolymer additives Chemistry; Metallurgy 43 Expired
USRE40595E1 Lubricant containing molybdenum compound and secondary diarylamine General 38 Expired
US5383472A Method and apparatus for handling of biopsy tissue specimen Human Necessities 36 Expired
US8400030B1 Hybrid electric transmission fluid Emerging Cross-Sectional Technologies 21 Active
US7151253B2 Dynamic phantom for radiation therapy Human Necessities 14 Expired
US7767632B2 Additives and lubricant formulations having improved antiwear properties Chemistry; Metallurgy 13 Active
US6767871B2 Diesel engine lubricants Chemistry; Metallurgy 9 Expired
US6528461B1 Lubricant containing molybdenum and polymeric dispersant Chemistry; Metallurgy 6 Expired
US8741821B2 Nanoparticle additives and lubricant formulations containing the nanoparticle additives Chemistry; Metallurgy 4 Active
US7632788B2 Nanosphere additives and lubricant formulations containing the nanosphere additives Chemistry; Metallurgy 4 Active
US7902133B2 Lubricant composition Chemistry; Metallurgy 4 Active
US7879775B2 Lubricant compositions Chemistry; Metallurgy 3 Active
US7759294B2 Lubricant compositions Chemistry; Metallurgy 3 Expired
US7188516B2 Friction testing apparatus Physics 3 Expired
US8202829B2 Lubricating composition Chemistry; Metallurgy 3 Active
US7906465B2 Lubricant compositions Chemistry; Metallurgy 3 Active
US7833953B2 Lubricant composition Chemistry; Metallurgy 2 Active
US7332001B2 Method of enhancing the operation of diesel fuel combustion systems Emerging Cross-Sectional Technologies 2 Expired
US11788027B2 Engine oil formulation with improved sequence VIII performance Chemistry; Metallurgy 1 Active
US7897548B2 Additives and lubricant formulations for improved antiwear properties Chemistry; Metallurgy 1 Active
US11773343B2 Engine oil formulation with improved Sequence VIII performance Chemistry; Metallurgy 1 Active

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