Inventor · Houston, TX, US

Robert B. Rhodes

18Patents
9h-index
13Co-inventors
69Inventor score

Filing activity: May 23, 1977 → Jan 23, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5070131A Gear oil viscosity index improvers Chemistry; Metallurgy 37 Expired
US4849481A Star shaped asymmetric block copolymer of monoalkenyl aromatic hydrocarbon and conjugated diene Chemistry; Metallurgy 36 Expired
US4493776A Lubricating oil composition with supplemental rust inhibitor Chemistry; Metallurgy 26 Expired
US4535453A Signaling input/output processing module for a telecommunication system Electricity 22 Expired
US5460739A Star polymer viscosity index improver for oil compositions Chemistry; Metallurgy 14 Expired
US6034042A Star polymer viscosity index improver for oil compositions Chemistry; Metallurgy 13 Expired
US4086171A Lubricating composition having a selectively sulfonated and hydrogenated block copolymer viscosity-index improver Chemistry; Metallurgy 10 Expired
US5035820A Oil compositions containing modified star polymers Chemistry; Metallurgy 10 Expired
US5458791A Star polymer viscosity index improver for oil compositions Emerging Cross-Sectional Technologies 9 Expired
US5458792A Asymmetric triblock copolymer viscosity index improver for oil compositions Chemistry; Metallurgy 6 Expired
US4877836A Viscosity index improver and composition containing same Chemistry; Metallurgy 6 Expired
US5302667A Asymmetrical radial polymer and composition of matter comprising the same Chemistry; Metallurgy 6 Expired
US5360564A Dispersant viscosity index improvers Mechanical Engineering; Lighting; Heating 5 Expired
US4900875A Polymeric viscosity index additive and oil composition comprising the same Chemistry; Metallurgy 4 Expired
US5278252A Solid viscosity index improvers which provide excellent low temperature viscosity Chemistry; Metallurgy 4 Expired
US5223579A Solid viscosity index improvers which provide excellant low temperature viscosity Chemistry; Metallurgy 3 Expired
US6548606B1 Method of forming grafted copolymers Chemistry; Metallurgy 1 Expired
USH1799H Star polymer viscosity index improver for oil compositions General 1 Active

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