Inventor · disambiguated record
Gerhard Welzig
Also filed as: WELZIG GERHARD
4 granted patents·1 pending application·26 citations·filing 1990–2016
70Inventor score
Top patents by PatentIndex Score
5 records- 0168US6913449B2Apparatus for the treatment of metallic workpieces with cooling gasALD VACUUM TECHN AG·Filed 2003·Granted Jul 5, 2005·11 cites·2 claims
- 0264US9518318B2Method and device for hardening work pieces and workpieces hardened according to said methodHEUER VOLKER·Filed 2010·Granted Dec 13, 2016·1 cites·12 claims
- 0350US10196730B2Method and device for hardening workpieces, and workpieces hardened according to the methodALD VACUUM TECHN GMBH·Filed 2016·Granted Feb 5, 2019·0 cites·18 claims
- 0440US2007277912A1Arrangement for gas quenching of heat-treated parts and method for carrying out sameRUPPEL JOSEF·Filed 2007·Application pending·0 cites
- 0539US5035611AApparatus for controlling gas flows in vacuum furnacesDEGUSSA·Filed 1990·Granted Jul 30, 1991·14 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →