Inventor · Rosebank, ZA

Robert Fries

19Patents
8h-index
20Co-inventors
72Inventor score

Filing activity: Feb 8, 1982 → Sep 25, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7033408B2 Method of producing an abrasive product containing diamond Emerging Cross-Sectional Technologies 38 Expired
US6913633B2 Polycrystalline abrasive grit Chemistry; Metallurgy 29 Expired
US7168930B2 Peristaltic pump with air venting via the movement of a pump head or a backing plate during surgery Mechanical Engineering; Lighting; Heating 27 Expired
US6979357B2 Method of producing ultra-hard abrasive particles Performing Operations; Transporting 23 Expired
US4485867A Heat exchanger Emerging Cross-Sectional Technologies 20 Expired
US6919040B2 Method of producing an abrasive product containing cubic boron nitride Performing Operations; Transporting 19 Expired
US9593577B2 Pick tool having a super-hard planar strike surface Fixed Constructions 16 Active
US6579045B1 Tool component Emerging Cross-Sectional Technologies 13 Expired
US7867438B2 Cubic boron nitride compact Emerging Cross-Sectional Technologies 8 Active
US7104160B2 Method of making a cutting tool Emerging Cross-Sectional Technologies 5 Expired
US9562431B2 Tip for a pick tool, method of making same and pick tool comprising same Fixed Constructions 4 Active
US9551217B2 Pick assembly, bit assembly and degradation tool Fixed Constructions 3 Active
US9334731B2 Pick tool and assembly comprising same Fixed Constructions 2 Active
US9393629B2 Cutter elements, rotary machine tools comprising same and method for making same Emerging Cross-Sectional Technologies 1 Active
US9234423B2 Super-hard tip for a pick tool and pick tool comprising same Fixed Constructions 1 Active
US9382763B2 Superhard construction Chemistry; Metallurgy 0 Active
US9975185B2 Twist drill tips, precursor constructions for use in making same, and methods for making and using same Emerging Cross-Sectional Technologies 0 Active
US9120204B2 Polycrystalline superhard material Fixed Constructions 0 Active
US9844814B2 Superhard tool tip, method for making same and tool comprising same Emerging Cross-Sectional Technologies 0 Active

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