Inventor · Columbia, MD, US

Fred Robinson

6Patents
5h-index
6Co-inventors
56Inventor score

Filing activity: Jul 19, 1976 → Jan 10, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4934073A Exercise-enhancing walking shoe Human Necessities 74 Expired
US5770760A Polymers useful as pH responsive thickeners and monomers therefor Emerging Cross-Sectional Technologies 49 Expired
US5874495A Polymers useful as PH responsive thickeners and monomers therefor Emerging Cross-Sectional Technologies 48 Expired
US5733854A Cleaning compositions including derivatized guar gum composition including nonionic and cationic groups which demonstrate excellent solution clarity properties Human Necessities 26 Expired
US4049608A Functional monomers and copolymers thereof Chemistry; Metallurgy 21 Expired
US5863526A Homopolymers prepared from ammonium quaternary salts of aminoalkylacrylamides Human Necessities 4 Expired

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