Inventor · Ballwin, MO, US

Robert A. Meyer

35Patents
9h-index
27Co-inventors
75Inventor score

Filing activity: Nov 29, 1979 → May 1, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6739735B2 Lighting strip for direction and guidance systems Mechanical Engineering; Lighting; Heating 49 Expired
US5282744A Dental vacuum pump system Human Necessities 48 Expired
US5017135A Trap and separator for denial vacuum systems Human Necessities 35 Expired
US4971661A Purification of propylene oxide using an aqueous acetone extractive distillatin agent Chemistry; Metallurgy 14 Expired
US6409803B1 Amalgam separation Performing Operations; Transporting 14 Expired
US5513820A Core plug apparatus Performing Operations; Transporting 13 Expired
US4704482A Catalytic purification of tertiary butyl alcohol Chemistry; Metallurgy 12 Expired
US5151530A Treatment of tertiary butyl hydroperoxide distillation fraction to remove acidic contaminants Chemistry; Metallurgy 10 Expired
US5262017A Plural stage purification of propylene oxide Chemistry; Metallurgy 9 Expired
US4963094A Vacuum controller and filter assembly for dental vacuum system Human Necessities 9 Expired
US4977285A Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol Chemistry; Metallurgy 8 Expired
US4810809A Ditertiary butyl peroxide recovery Chemistry; Metallurgy 8 Expired
US4900850A Recovery of purified ditertiary butyl peroxide Chemistry; Metallurgy 8 Expired
US5093509A Removal of trace quantities of molybdenum Emerging Cross-Sectional Technologies 8 Expired
US5106458A Method for the purification of propylene oxide Chemistry; Metallurgy 7 Expired
US5101052A Molybdenum recovery Emerging Cross-Sectional Technologies 7 Expired
US5093506A Removal of acidic contaminants from tertiary butyl hydroperoxide Chemistry; Metallurgy 6 Expired
US5779472A Testing of useful dental vaccum Human Necessities 6 Expired
US4269265A Tubular heat exchanger with turbulator Emerging Cross-Sectional Technologies 5 Expired
US4992566A Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol Chemistry; Metallurgy 3 Expired
US5639965A Oil reclamation system flow meter Physics 3 Expired
US5216182A Preparation of mono epoxides and tertiary butyl alcohol using regenerated catalyst Emerging Cross-Sectional Technologies 2 Expired
US5290527A Molybdenum recovery Emerging Cross-Sectional Technologies 2 Expired
US5127997A Purification of propylene oxide by liquid extraction Chemistry; Metallurgy 2 Expired
US5128492A Precipitation of molybdenum Emerging Cross-Sectional Technologies 2 Expired

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