Inventor
SERBENT HARRY
19 patents
Patents
19 patentsUS4444568AApr 24, 1984
Method of producing fuel gas and process heat fron carbonaceous materials
METALLGESELLSCHAFT AG125 citations95
US4806158AFeb 21, 1989
Process of reducing fine-grained iron-containing material by means of solid carbonaceous reducing agents
METALLGESELLSCHAFT AG66 citations94
US4789580ADec 6, 1988
Process of reducing higher metal oxides to lower metal oxides
METALLGESELLSCHAFT AG49 citations90
US4846083AJul 11, 1989
Method of processing contaminated mineral substances
METALLGESELLSCHAFT AG16 citations73
US4443250AApr 17, 1984
Process of producing sponge iron by a direct reduction of iron oxide-containing materials
METALLGESELLSCHAFT AG10 citations73
US4551172ANov 5, 1985
Process of producing liquid carbon-containing iron
METALLGESELLSCHAFT AG13 citations71
US4391583AJul 5, 1983
Process of thermally treating bulk materials in a rotary kiln
METALLGESELLSCHAFT AG10 citations71
US4490168ADec 25, 1984
Process of making steel by melting sponge iron in an electric arc furnace
METALLGESELLSCHAFT AG7 citations69
US4220631ASep 2, 1980
Process of calcining limestone or hydrated lime in a rotary kiln
METALLGESELLSCHAFT AG9 citations67
US4540432ASep 10, 1985
Continuous process of melting sponge iron
METALLGESELLSCHAFT AG4 citations63
US4469509ASep 4, 1984
Process of producing sponge iron by a direct reduction of iron oxide-containing material in a rotary kiln
METALLGESELLSCHAFT AG6 citations62
US4247323AJan 27, 1981
Process of directly reducing iron oxide-containing materials
METALLGESELLSCHAFT AG3 citations62
US4179280ADec 18, 1979
Direct-reduction process carried out in a rotary kiln
METALLGESELLSCHAFT AG3 citations62
US4144052AMar 13, 1979
Process of directly reducing iron-containing oxidic materials
METALLGESELLSCHAFT AG5 citations62
US4238222ADec 9, 1980
Waelz process of volatilizing zinc and lead from iron oxide-containing materials
METALLGESELLSCHAFT AG6 citations58
US4436286AMar 13, 1984
Process of afterburning combustible constituents of exhaust gases from rotary kilns
METALLGESELLSCHAFT AG2 citations56
US4268304AMay 19, 1981
Direct reduction process in a rotary kiln
METALLGESELLSCHAFT AG2 citations56
US4308055ADec 29, 1981
Process of briquetting sponge iron-containing material
METALLGESELLSCHAFT AG4 citations53
US4312666AJan 26, 1982
Steel making process
METALLGESELLSCHAFT AG0 citations40