Inventor · Porsgrunn, NO

Erik C. Nygaard

4Patents
3h-index
7Co-inventors
47Inventor score

Filing activity: Dec 14, 1983 → Aug 28, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US4500369A Emulsion explosive Chemistry; Metallurgy 14 Expired
US5445663A Fertilizer composition comprising dispersions or solutions of nutrient compounds and method for its manufacture Chemistry; Metallurgy 4 Expired
US4992119A Explosive comprising a mixture of a nitrate-oil explosive and a water-in-oil emulsion explosive, and a method for its manufacture Chemistry; Metallurgy 3 Expired
US9284232B2 Safe blends of ammonium nitrate (AN) with urea, or of an AN-comprising product with a urea-comprising product Chemistry; Metallurgy 1 Active

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