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Shenzhen, Guangdong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for recovering valuable metals from spent lithium ion batteries
Patent number
12,113,187
Issue date
Oct 8, 2024
GEM CO., LTD.
Kaihua Xu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Ternary positive electrode material coated with nitride/graphitized...
Patent number
12,027,696
Issue date
Jul 2, 2024
GEM CO., LTD.
Kaihua Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of preparing MOF-coated monocrystal ternary positive electro...
Patent number
11,708,280
Issue date
Jul 25, 2023
GEM CO., LTD
Kaihua Xu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Battery-level Ni—Co—Mn mixed solution and preparation method for ba...
Patent number
11,695,170
Issue date
Jul 4, 2023
JINGMEN GEM CO., LTD
Kaihua Xu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for recycling noble metal from electronic waste material and...
Patent number
9,328,398
Issue date
May 3, 2016
GEM CO., LTD.
Kaihua Xu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Burning-free and non-cyanide method for recycling waste printed cir...
Patent number
9,114,445
Issue date
Aug 25, 2015
GEM CO., LTD.
Kaihua Xu
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Patents Applications
last 30 patents
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Patent Application
TERNARY POSITIVE ELECTRODE MATERIAL COATED WITH NITRIDE/GRAPHITIZED...
Publication number
20240097116
Publication date
Mar 21, 2024
GEM CO., LTD.
Kaihua XU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR RECOVERING VALUABLE METALS FROM SPENT LITHIUM ION BATTERIES
Publication number
20240063455
Publication date
Feb 22, 2024
GEM CO., LTD.
Kaihua XU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
BATTERY-LEVEL NI-CO-MN MIXED SOLUTION AND PREPARATION METHOD FOR BA...
Publication number
20220384868
Publication date
Dec 1, 2022
JINGMEN GEM CO., LTD
Kaihua XU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PREPARING MOF-COATED MONOCRYSTAL TERNARY POSITIVE ELECTRO...
Publication number
20220356075
Publication date
Nov 10, 2022
GEM CO., LTD.
Kaihua XU
H01 - BASIC ELECTRIC ELEMENTS
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Trademark
last 30 trademarks
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Trademark
88476771 - GEM RECYCLING FOR FUTURE!
Serial number
88476771
Registration number
6296024
Filing date
Jun 17, 2019
GEM Co., Ltd
6 - Common metals and their alloys
Information
Trademark
88472633 - GEM RECYCLING FOR FUTURE!
Serial number
88472633
Registration number
6252153
Filing date
Jun 13, 2019
GEM Co., Ltd
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry