Inventor · Caracas, VE

Hercilio Rivas

22Patents
12h-index
37Co-inventors
81Inventor score

Filing activity: Jun 17, 1986 → Aug 27, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5792223A Natural surfactant with amines and ethoxylated alcohol Chemistry; Metallurgy 34 Expired
US5503772A Bimodal emulsion and its method of preparation Emerging Cross-Sectional Technologies 33 Expired
US5622920A Emulsion of viscous hydrocarbon in aqueous buffer solution and method for preparing same Emerging Cross-Sectional Technologies 26 Expired
US5556574A Emulsion of viscous hydrocarbon in aqueous buffer solution and method for preparing same Emerging Cross-Sectional Technologies 21 Expired
US5603864A Method for the preparation of viscous hydrocarbon in aqueous buffer solution emulsions Emerging Cross-Sectional Technologies 20 Expired
US5902227A Multiple emulsion and method for preparing same Chemistry; Metallurgy 19 Expired
US4795478A Viscous hydrocarbon-in-water emulsions Emerging Cross-Sectional Technologies 19 Expired
US4801304A Process for the production and burning of a natural-emulsified liquid fuel Emerging Cross-Sectional Technologies 17 Expired
US5505876A Emulsion of viscous hydrocarbon in water which inhibits aging Emerging Cross-Sectional Technologies 15 Expired
US5480583A Emulsion of viscous hydrocarbon in aqueous buffer solution and method for preparing same Emerging Cross-Sectional Technologies 14 Expired
US4923483A Viscous hydrocarbon-in-water emulsions Emerging Cross-Sectional Technologies 14 Expired
US5419852A Bimodal emulsion and its method of preparation Emerging Cross-Sectional Technologies 13 Expired
US5725609A Water in viscous hydrocarbon emulsion combustible fuel for diesel engines and process for making same Emerging Cross-Sectional Technologies 11 Expired
US7276093B1 Water in hydrocarbon emulsion useful as low emission fuel and method for forming same Emerging Cross-Sectional Technologies 9 Expired
US5976200A Water in viscous hydrocarbon emulsion combustible fuel for diesel engines and process for making the same Emerging Cross-Sectional Technologies 6 Expired
US5354504A Method of preparation of emulsions of viscous hydrocarbon in water which inhibits aging Emerging Cross-Sectional Technologies 6 Expired
US4994090A Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion Chemistry; Metallurgy 5 Expired
US4834775A Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion Chemistry; Metallurgy 5 Expired
US7037961B2 Method for preparation of asphalt composition Chemistry; Metallurgy 3 Expired
US7704288B2 Water in hydrocarbon emulsion useful as low emission fuel and method for forming same Emerging Cross-Sectional Technologies 3 Active
US6903138B2 Manufacture of stable bimodal emulsions using dynamic mixing Emerging Cross-Sectional Technologies 0 Expired
US8647395B2 Surfactant package and water in hydrocarbon emulsion using same Chemistry; Metallurgy 0 Active

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