Inventor · Mendota Heights, MN, US

Richard S. Smith

94Patents
23h-index
50Co-inventors
91Inventor score

Filing activity: Nov 3, 1975 → May 3, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6206897A Enhanced visualization of the latching mechanism of latching surgical devices Human Necessities 1,427 Expired
US5314417A Safety trocar Human Necessities 330 Expired
US5387197A Trocar safety shield locking mechanism Human Necessities 228 Expired
US6215295A Photonic field probe and calibration means thereof Physics 123 Expired
US5350795A Aqueous oil and water repellent compositions which cure at ambient temperature Emerging Cross-Sectional Technologies 64 Expired
US8221199B2 Abrasive sharpener Performing Operations; Transporting 45 Active
US5408038A Nonnatural apolipoprotein B-100 peptides and apolipoprotein B-100-apolipoprotein A-I fusion peptides Chemistry; Metallurgy 40 Expired
US5672651A Durable repellent fluorochemical compositions Textiles; Paper 39 Expired
USD575124S1 Electric sharpener General 34 Expired
US5814467A APO AI polypeptides, diagnostic methods and systems for quantifying APO AI, and therapeutic methods Emerging Cross-Sectional Technologies 29 Expired
USD587550S1 Two step knife sharpener General 28 Expired
USD604134S1 Abrasive sharpener General 28 Expired
US4828986A Assay method and diagnostic system for determining the ratio of APO B-100 to APO A-I in a blood sample Emerging Cross-Sectional Technologies 26 Expired
US5473039A Polypeptide analogs of apolipoprotein E, diagnostic systems and methods using the analogs Human Necessities 26 Expired
USD526876S1 Knife and scissors sharpener General 25 Expired
USD578581S1 Pocket abrasive sharpener General 25 Expired
USD680846S1 Adjustable manual abrasive sharpener General 25 Active
USD365740S Knife sharpener General 25 Expired
US5303017A Print skip avoidance for on-line compiling Physics 24 Expired
US5284902A Fabric repellent treatment from hydrocarbon solvent system Emerging Cross-Sectional Technologies 24 Expired
USD626397S1 Abrasive sharpener General 23 Expired
US5055396A Diagnostic methods and systems for quantifying APO AI Emerging Cross-Sectional Technologies 23 Expired
USD723898S1 Abrasive sharpener General 23 Active
US5116725A Assay for Epstein-Barr virus infection with solid phase bound synthetic polypeptides Emerging Cross-Sectional Technologies 22 Expired
USD499004S1 Two step knife sharpener General 22 Expired

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