Gerhard WELZIG

Follow

Person

Frankfurt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for hardening workpieces, and workpieces hardened...
- Patent number 10,196,730
- Issue date Feb 5, 2019
- ALD Vacuum Technologies GmbH
- Volker Heuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and device for hardening work pieces and workpieces hardened...
- Patent number 9,518,318
- Issue date Dec 13, 2016
- ALD Vacuum Technologies GmbH
- Volker Heuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus for the treatment of metallic workpieces with cooling gas
- Patent number 6,913,449
- Issue date Jul 5, 2005
- ALD Vacuum Technologies AG
- Klaus Loeser
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR HARDENING WORKPIECES, AND WORKPIECES HARDENED...
- Publication number 20170114441
- Publication date Apr 27, 2017
- ALD Vacuum Technologies GmbH
- Volker HEUER
- C21 - METALLURGY OF IRON
Information Patent Application
Method and Device for Hardening Work Pieces and Workpieces Hardened...
- Publication number 20120168033
- Publication date Jul 5, 2012
- ALD Vacuum Technologies GmbH
- Volker Heuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Arrangement for gas quenching of heat-treated parts and method for...
- Publication number 20070277912
- Publication date Dec 6, 2007
- Josef Ruppel
- C21 - METALLURGY OF IRON
Information Patent Application
Apparatus for the treatment of metallic workpieces with cooling gas
- Publication number 20030175130
- Publication date Sep 18, 2003
- Klaus Loeser
- C21 - METALLURGY OF IRON