Inventor · Duncan, OK, US

Ian D. Robb

42Patents
19h-index
55Co-inventors
84Inventor score

Filing activity: Dec 20, 1982 → Feb 14, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7621334B2 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods Chemistry; Metallurgy 75 Active
US7547665B2 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods Chemistry; Metallurgy 68 Active
US7624743B2 Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup Mechanical Engineering; Lighting; Heating 60 Active
US6846420B2 Process for removing oil from solid materials recovered from a well bore Fixed Constructions 58 Expired
US7910524B2 Treatment fluids comprising diutan and associated methods Chemistry; Metallurgy 57 Active
US7960315B2 Treatment fluids comprising diutan and associated methods Chemistry; Metallurgy 56 Active
US7846877B1 Methods for treating a well using a treatment fluid containing a water-soluble polysaccharide, a water-soluble salt, and urea Chemistry; Metallurgy 46 Active
US7151077B2 Polymersome compositions and associated methods of use Chemistry; Metallurgy 44 Expired
US8404623B2 Stabilization of emulsions containing resinous material for use in the field of oil or gas well treatments Chemistry; Metallurgy 43 Active
US7159658B2 Methods and compositions for treating subterranean zones Emerging Cross-Sectional Technologies 34 Expired
US7351681B2 Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same Chemistry; Metallurgy 29 Expired
US7462580B2 Flat rheology drilling fluids Chemistry; Metallurgy 28 Active
US6849586B2 Hard surface cleaners containing chitosan Chemistry; Metallurgy 27 Expired
US7534743B2 Invert drilling fluids and methods of drilling boreholes Chemistry; Metallurgy 26 Active
US6794346B2 Hard surface cleaners containing chitosan and furanone Chemistry; Metallurgy 24 Expired
US7547663B2 Invert drilling fluids and methods of drilling boreholes Chemistry; Metallurgy 23 Active
US7584791B2 Methods for reducing the viscosity of treatment fluids comprising diutan Chemistry; Metallurgy 20 Active
US7488704B2 Invert drilling fluids for use in drilling in subterranean formations Chemistry; Metallurgy 20 Active
US7686084B2 Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same Chemistry; Metallurgy 19 Active
US7456135B2 Methods of drilling using flat rheology drilling fluids Chemistry; Metallurgy 18 Expired
US7579302B2 Friction reducer performance by complexing multivalent ions in water Chemistry; Metallurgy 12 Active
US8573302B2 Surfactants and friction reducing polymers for the reduction of water blocks and gas condensates and associated methods Chemistry; Metallurgy 12 Active
US7306040B1 Stimuli-degradable gels Chemistry; Metallurgy 11 Active
US7846878B2 Friction reducer performance in water containing multivalent ions Chemistry; Metallurgy 10 Active
US4539144A Dishwashing compositions with an anti-filming polymer Chemistry; Metallurgy 9 Expired

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