GW

Gerhard Welzig

AG Ald Vacuum Technologies Gmbh: 3 patents #18 of 94Top 20%
DA Degussa Ag: 1 patents #925 of 2,007Top 50%
Overall (All Time): #1,174,988 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10196730 Method and device for hardening workpieces, and workpieces hardened according to the method Volker Heuer, Klaus Loser, Gunther Schmitt 2019-02-05
9518318 Method and device for hardening work pieces and workpieces hardened according to said method Volker Heuer, Klaus Loeser, Gunther Schmitt 2016-12-13
6913449 Apparatus for the treatment of metallic workpieces with cooling gas Klaus Loeser, Georg Stueber, Volker Heuer 2005-07-05
5035611 Apparatus for controlling gas flows in vacuum furnaces Karlheinz Neubecker, Cordt Rohde 1991-07-30