Guoan CHEN

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rare earth magnet and preparation method thereof
- Patent number 12,131,850
- Issue date Oct 29, 2024
- SANVAC (BEIJING) MAGNETICS CO., LTD.
- Guoan Chen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Coating machine and coating method
- Patent number 11,920,236
- Issue date Mar 5, 2024
- SANVAC (BEIJING) MAGNETICS CO., LTD.
- Guoan Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Micro powder for preparing neodymium-iron-boron permanent magnet ma...
- Patent number 11,571,744
- Issue date Feb 7, 2023
- SANVAC (BEIJING) MAGNETICS CO., LTD.
- Guoan Chen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for preparing an R-T-B permanent magnet
- Patent number 10,714,245
- Issue date Jul 14, 2020
- BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.
- Guoan Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nd—Fe—B sintered magnet and methods for manufacturing the same
- Patent number 10,115,506
- Issue date Oct 30, 2018
- Beijing Zhong Ke San Huan Hi-Tech Co., LTD.
- Boping Hu
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
RARE EARTH MAGNET AND PREPARATION METHOD THEREOF
- Publication number 20210335525
- Publication date Oct 28, 2021
- SANVAC (BEIJING) MAGNETICS CO., LTD.
- Guoan CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COATING MACHINE AND COATING METHOD
- Publication number 20210317566
- Publication date Oct 14, 2021
- SANVAC (BEIJING) MAGNETICS CO., LTD.
- Guoan CHEN
- B32 - LAYERED PRODUCTS
Information Patent Application
MICRO POWDER FOR PREPARING NEODYMIUM-IRON-BORON PERMANENT MAGNET MA...
- Publication number 20200030884
- Publication date Jan 30, 2020
- SANVAC (BEIJING) MAGNETICS CO., LTD.
- GUOAN CHEN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PREPARING AN R-T-B PERMANENT MAGNET
- Publication number 20170221615
- Publication date Aug 3, 2017
- BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.
- Guoan CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nd-Fe-B SINTERED MAGNET AND METHODS FOR MANUFACTURING THE SAME
- Publication number 20150348685
- Publication date Dec 3, 2015
- BEIJING ZHONG KE SAN HUAN HI-TECH CO.,LTD
- Boping HU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...