Inventor · disambiguated record
Helmut Lischka
Also filed as: LISCHKA HELMUT
3 granted patents·29 citations·filing 1989–1992
68Inventor score
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3 records- 0166US4943317AAgent for desulphurizing iron melts, a process for the production thereof and a process for desulphurizing iron melts with the use of said agentSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1989·Granted Jul 24, 1990·18 cites·14 claims
- 0252US5264023ACored wire with a content of passivated pyrophoric metal, and the use thereofSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1992·Granted Nov 23, 1993·10 cites·22 claims
- 0318US5089049APassivation of pyrophoric metalsSKW TROSTBERT AKTIENGESELLSCHA·Filed 1990·Granted Feb 18, 1992·1 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →