Inventor · Euclid, OH, US

John F. Pindar

8Patents
8h-index
3Co-inventors
54Inventor score

Filing activity: Jan 13, 1975 → May 13, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4454059A Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants Chemistry; Metallurgy 101 Expired
US3980569A Dispersants and process for their preparation Chemistry; Metallurgy 88 Expired
US4100082A Lubricants containing amino phenol-detergent/dispersant combinations Mechanical Engineering; Lighting; Heating 88 Expired
US4200545A Amino phenol-detergent/dispersant combinations and fuels and lubricants containing same Mechanical Engineering; Lighting; Heating 38 Expired
US4273891A Hydrocarbon-substituted methylol phenols Chemistry; Metallurgy 20 Expired
US4053428A Hydrocarbon-substituted methylol phenols Chemistry; Metallurgy 20 Expired
US4446039A Organic compositions containing hydroxy-aromatic compounds useful as additives for fuels and lubricants Chemistry; Metallurgy 11 Expired
US4147643A Organic compositions useful as additives for fuels and lubricants Chemistry; Metallurgy 9 Expired

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