Ralf Hojda

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Altena, DE

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Patents Grantslast 30 patents

Information Patent Grant
Micro alloyed steel and method for producing said steel
- Patent number 11,021,769
- Issue date Jun 1, 2021
- Vallourec Deutschland GmbH
- Bernhard Koschlig
- C21 - METALLURGY OF IRON
Information Patent Grant
Oxidation-resistant metal foil, its use and method for its production
- Patent number 6,203,632
- Issue date Mar 20, 2001
- Krupp VDM GmbH
- Ulrich Heubner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
MICRO ALLOYED STEEL AND METHOD FOR PRODUCING SAID STEEL
- Publication number 20190323099
- Publication date Oct 24, 2019
- VALLOUREC DEUTSCHLAND GMBH
- Bernhard KOSCHLIG
- C21 - METALLURGY OF IRON
Information Patent Application
COPPER-TIN ALLOY, COMPOSITE MATERIAL AND USE THEREOF
- Publication number 20110206941
- Publication date Aug 25, 2011
- SUNDWIGER MESSINGWERK GMBH & CO. KG
- Michael Koehler
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Iron-chromium-aluminum alloy
- Publication number 20070110609
- Publication date May 17, 2007
- Heike Hattendorf
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...