Inventor · Terre Haute, IN, US

Robert D. Williams

42Patents
14h-index
25Co-inventors
81Inventor score

Filing activity: May 16, 1974 → Jul 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4876827A Gutter assembly Fixed Constructions 54 Expired
US4393041A Fibrin binder/carrier for active biochemical agents Human Necessities 37 Expired
US4326523A Method of supplying micronutrients to animals Human Necessities 30 Expired
USD502580S1 Surface squeegee General 28 Expired
US4473673A Cast polyester resin process and product Performing Operations; Transporting 28 Expired
US6018836A Scraper tool Human Necessities 26 Expired
USD571428S1 Golf divot tool with removable ball marker General 24 Expired
USD518934S1 Surface squeegee General 23 Expired
USD527855S1 Surface squeegee General 23 Expired
US7590724B1 Auto instrumentation system Physics 21 Active
US7225848B2 Film applicator tool with arcuate edges Emerging Cross-Sectional Technologies 18 Expired
USD612118S1 Flat squeegee General 16 Expired
US5731902A Head-up display combiner binocular test fixture Physics 16 Expired
US5009495A Hinge for eyeglasses Physics 16 Expired
US4424535A Document video digitizer Electricity 14 Expired
US4518191A Air current deflector shield and bracket combination Performing Operations; Transporting 14 Expired
US4933364A Process for promoting growth and feed efficiency of food producing mammals Chemistry; Metallurgy 13 Expired
US4303657A Nitrohydroxyalkyl-substituted quinoxaxiline dioxides and alkanoic acid esters thereof Chemistry; Metallurgy 9 Expired
US4478935A Manganese-containing antibiotic agents Chemistry; Metallurgy 9 Expired
US5587795A Self aligning substrate transmittance meter Emerging Cross-Sectional Technologies 8 Expired
US4652596A Thermosetting resin casting process, product and device Performing Operations; Transporting 8 Expired
US5867287A Head up display with a lens decentered to the optical axis of the illumination Physics 8 Expired
US4221791A Substituted quinoxaline dioxides Human Necessities 7 Expired
US4654334A Manganese-containing antibiotic agents Chemistry; Metallurgy 7 Expired
US5734506A Head up display projection system having a double reflecting primary mirror Physics 6 Expired

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