Inventor · Midland, TX, US

David N. Harry

9Patents
8h-index
10Co-inventors
62Inventor score

Filing activity: Aug 4, 1992 → May 20, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5488083A Method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operation Emerging Cross-Sectional Technologies 85 Expired
US5520250A Method and process for the stabilization of resin coated particulates Emerging Cross-Sectional Technologies 80 Expired
US5565513A Method and composition for delaying the cross-linking of water soluble polymer solutions Emerging Cross-Sectional Technologies 17 Expired
US5425994A Resin coated particulates comprissing a formaldehyde source-metal compound (FS-MC) complex Emerging Cross-Sectional Technologies 16 Expired
US5316792A Method and process for the stabilization of resin coated particulates Emerging Cross-Sectional Technologies 15 Expired
US5311946A Method and process for the stabilization of resin coated particulates Emerging Cross-Sectional Technologies 14 Expired
US7084096B2 Suspension of borates in non-aqueous solvents and use thereof Emerging Cross-Sectional Technologies 11 Expired
US7790774B1 Preparation of guar suspension from guar splits Chemistry; Metallurgy 8 Active
US7879771B2 Non-flammable, non-aqueous group IVB metal alkoxide crosslinkers and fracturing fluid compositions incorporating same Chemistry; Metallurgy 0 Active

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