Zhou Yansheng

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hardened cobalt based alloy jewelry and related methods
- Patent number 9,593,398
- Issue date Mar 14, 2017
- MYTHRIAL METALS LLC
- Zhou Yansheng
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Hardened cobalt based alloy jewelry and related methods
- Patent number 9,289,037
- Issue date Mar 22, 2016
- MYTHRIAL METALS LLC
- Zhou Yansheng
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
HARDENED COBALT BASED ALLOY JEWELRY AND RELATED METHODS
- Publication number 20180371585
- Publication date Dec 27, 2018
- Mythrial Metals LLC
- Zhou Yansheng
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HARDENED COBALT BASED ALLOY JEWELRY AND RELATED METHODS
- Publication number 20160150858
- Publication date Jun 2, 2016
- Mythrial Metals LLC
- Zhou Yansheng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HARDENED COBALT BASED ALLOY JEWELRY AND RELATED METHODS
- Publication number 20160153076
- Publication date Jun 2, 2016
- Mythrial Metals LLC
- Zhou Yansheng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...