Inventor · disambiguated record
Helmut Knuppel
Also filed as: BROTZMANN KARL · KNUPPEL HELMUT
8 granted patents·69 citations·filing 1971–1977
85Inventor score
Top patents by PatentIndex Score
8 records- 0187US4062657AMethod and apparatus for desulphurizing in the gasification of coalMAXIMILIANSHUETTE EISENWERK·Filed 1976·Granted Dec 13, 1977·14 cites·8 claims
- 0275US3932172AMethod and converter for refining pig-iron into steelMAXIMILIANSHUETTE EISENWERK·Filed 1972·Granted Jan 13, 1976·16 cites·19 claims
- 0372US4249719ATuyere for the injection of reaction gasMAXIMILIANSHUETTE EISENWERK·Filed 1975·Granted Feb 10, 1981·17 cites·27 claims
- 0470US3938790AMethod and converter for refining pig-iron into steelMAXIMILIANSHUETTE EISENWERK·Filed 1971·Granted Feb 17, 1976·12 cites·6 claims
- 0555US4052197AProcess for making steel from pig ironSALZGITTER PEINE STAHLWERKE·Filed 1976·Granted Oct 4, 1977·5 cites·25 claims
- 0653US4047707AProcess and converter for refining liquid metalsMAXIMILIANSHUETTE EISENWERK·Filed 1976·Granted Sep 13, 1977·4 cites·3 claims
- 0730US4123259AMethod for supplying thermal energy to steel meltsMAXIMILIANSHUETTE EISENWERK·Filed 1977·Granted Oct 31, 1978·1 cites·2 claims
- 0830US3950161AProcess for increasing the life of basic refractory linings in hearth-type furnacesMAXIMILIANSHUETTE EISENWERK·Filed 1974·Granted Apr 13, 1976·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →