Inventor · Ames, IA, US

Ronald Christopher Williams

26Patents
7h-index
23Co-inventors
69Inventor score

Filing activity: Feb 24, 1987 → May 25, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4722653A Material handling for automated assembly facility Emerging Cross-Sectional Technologies 201 Expired
US5254226A Electrolytic cell assembly and process for production of bromine Chemistry; Metallurgy 45 Expired
US8696806B2 Asphalt materials containing bio-oil and methods for production thereof Emerging Cross-Sectional Technologies 25 Active
US10961395B2 Rejuvenation of vacuum tower bottoms through bio-derived materials Emerging Cross-Sectional Technologies 16 Active
USD341348S Bike rack General 16 Expired
US10570286B2 Asphalt products and methods of producing them for rejuvenation and softening of asphalt Emerging Cross-Sectional Technologies 8 Active
US9650463B2 Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides Chemistry; Metallurgy 7 Active
US9523003B2 Asphalt materials containing bio-oil and methods for production thereof Emerging Cross-Sectional Technologies 5 Active
USRE36402E Electrolytic cell assembly and process for production of bromine General 4 Expired
US9200161B2 Bio-oil formulation as an asphalt substitute Chemistry; Metallurgy 3 Active
US11370918B2 Asphalt products and methods of producing them for rejuvenation and softening of asphalt Emerging Cross-Sectional Technologies 3 Active
US11242459B2 Ground tire rubber density modification using elastomeric polymers Chemistry; Metallurgy 2 Active
US9926392B2 Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides Chemistry; Metallurgy 2 Active
US10570238B2 Thermoplastic elastomers via atom transfer radical polymerization of plant oil Chemistry; Metallurgy 1 Active
US11773265B2 Biosolvents useful for improved asphalt products utilizing recycled asphalt pavement or other brittle asphalt binders such as vacuum tower bottom Fixed Constructions 1 Active
US11072674B2 Multiblock copolymer and method of making thereof Chemistry; Metallurgy 1 Active
US11958974B2 Rejuvenation of vacuum tower bottoms through bio-derived materials Emerging Cross-Sectional Technologies 1 Active
US11685802B2 Multiblock copolymer and method of making thereof Chemistry; Metallurgy 0 Active
US9546276B2 Bio-oil formulation as an asphalt substitute Chemistry; Metallurgy 0 Active
US9932435B2 Thermoplastic elastomers via atom transfer radical polymerization of plant oil Chemistry; Metallurgy 0 Active
US10752711B2 Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides Chemistry; Metallurgy 0 Active
US12297150B2 Maintenance treatments useful for improving the performance of aged or brittle resinous binders in paving or roofing Chemistry; Metallurgy 0 Active
US10730975B2 Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides Chemistry; Metallurgy 0 Active
US10093758B2 Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides Chemistry; Metallurgy 0 Active
US11945953B2 Ground tire rubber density modification using elastomeric polymers Chemistry; Metallurgy 0 Active

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