Inventor · disambiguated record
Erwin Schumann
Also filed as: BOHLANDER OSKAR · SCHUMANN ERWIN
4 granted patents·33 citations·filing 1976–1985
75Inventor score
Files withDEGUSSA4
Top patents by PatentIndex Score
4 records- 0165US4682011AFurnace for the partial heat treatment of work toolsDEGUSSA·Filed 1985·Granted Jul 21, 1987·11 cites·10 claims
- 0256US3998441AFurnace for tempering and hardening workpiecesDEGUSSA·Filed 1976·Granted Dec 21, 1976·9 cites·3 claims
- 0339US4180697AVacuum oven with graphite heatingDEGUSSA·Filed 1977·Granted Dec 25, 1979·7 cites·6 claims
- 0431US4636089AProcess and apparatus for the quenching intensity of liquid quenching batchsDEGUSSA·Filed 1984·Granted Jan 13, 1987·6 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →