Shiping Zheng

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Shizuishan City, Ningxia, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods for spherically granulating and agglomerating metal particl...
- Patent number 7,666,247
- Issue date Feb 23, 2010
- Ningxia Orient Tantalum Industry Co., Ltd.
- Jilin He
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PASSIVATING TANTALUM METAL SURFACE AND APPARATUS THEREOF
- Publication number 20140076462
- Publication date Mar 20, 2014
- Ningxia Orient Tantalum Industry Co., Ltd.
- Aiguo Zheng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHODS FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICL...
- Publication number 20070193409
- Publication date Aug 23, 2007
- Ningxia Orient Tantalum Industry Co., Ltd.
- Jilin He
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Methods for spherically granulating and agglomerating metal particl...
- Publication number 20070068341
- Publication date Mar 29, 2007
- Ningxia Orient Tantalum Industry Co., Ltd.
- Yuewei Cheng
- B22 - CASTING POWDER METALLURGY