Inventor · Hanau, DE

Harry Serbent

19Patents
6h-index
27Co-inventors
62Inventor score

Filing activity: Oct 25, 1977 → May 20, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4444568A Method of producing fuel gas and process heat fron carbonaceous materials Mechanical Engineering; Lighting; Heating 62 Expired
US4806158A Process of reducing fine-grained iron-containing material by means of solid carbonaceous reducing agents Emerging Cross-Sectional Technologies 38 Expired
US4789580A Process of reducing higher metal oxides to lower metal oxides Emerging Cross-Sectional Technologies 15 Expired
US4846083A Method of processing contaminated mineral substances Emerging Cross-Sectional Technologies 14 Expired
US4220631A Process of calcining limestone or hydrated lime in a rotary kiln Chemistry; Metallurgy 7 Expired
US4391583A Process of thermally treating bulk materials in a rotary kiln Mechanical Engineering; Lighting; Heating 6 Expired
US4551172A Process of producing liquid carbon-containing iron Emerging Cross-Sectional Technologies 5 Expired
US4540432A Continuous process of melting sponge iron Emerging Cross-Sectional Technologies 4 Expired
US4490168A Process of making steel by melting sponge iron in an electric arc furnace Chemistry; Metallurgy 4 Expired
US4443250A Process of producing sponge iron by a direct reduction of iron oxide-containing materials Chemistry; Metallurgy 4 Expired
US4247323A Process of directly reducing iron oxide-containing materials Emerging Cross-Sectional Technologies 3 Expired
US4238222A Waelz process of volatilizing zinc and lead from iron oxide-containing materials Emerging Cross-Sectional Technologies 2 Expired
US4436286A Process of afterburning combustible constituents of exhaust gases from rotary kilns Emerging Cross-Sectional Technologies 2 Expired
US4469509A Process of producing sponge iron by a direct reduction of iron oxide-containing material in a rotary kiln Emerging Cross-Sectional Technologies 2 Expired
US4144052A Process of directly reducing iron-containing oxidic materials Emerging Cross-Sectional Technologies 2 Expired
US4268304A Direct reduction process in a rotary kiln Chemistry; Metallurgy 1 Expired
US4308055A Process of briquetting sponge iron-containing material Chemistry; Metallurgy 0 Expired
US4179280A Direct-reduction process carried out in a rotary kiln Emerging Cross-Sectional Technologies 0 Expired
US4312666A Steel making process Emerging Cross-Sectional Technologies 0 Expired

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