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Haijiang Fang
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Zhengzhou, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Polycrystalline diamond compact with a tripartite raised surface
Patent number
D1057780
Issue date
Jan 14, 2025
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a raised surface and groove th...
Patent number
D1057779
Issue date
Jan 14, 2025
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a tripartite raised surface
Patent number
D1026981
Issue date
May 14, 2024
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a raised surface and groove th...
Patent number
D1026980
Issue date
May 14, 2024
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact
Patent number
11,873,684
Issue date
Jan 16, 2024
SF DIAMOND CO., LTD.
Dongpeng Zhao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond compact with a raised surface sloping to a...
Patent number
D1006073
Issue date
Nov 28, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a raised triangular structure
Patent number
D1006074
Issue date
Nov 28, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a double-layer structure
Patent number
D997219
Issue date
Aug 29, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a raised surface sloping to a...
Patent number
D996482
Issue date
Aug 22, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact with a raised triangular structure
Patent number
D996483
Issue date
Aug 22, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Drill bit
Patent number
D989827
Issue date
Jun 20, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Drill bit
Patent number
D989826
Issue date
Jun 20, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Drill bit
Patent number
D982632
Issue date
Apr 4, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Drill bit
Patent number
D982631
Issue date
Apr 4, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Drill bit
Patent number
D982046
Issue date
Mar 28, 2023
SF DIAMOND CO., LTD.
Haijiang Fang
D15 - Machines not elsewhere specified
Information
Patent Grant
Polycrystalline diamond compact
Patent number
11,377,910
Issue date
Jul 5, 2022
SF DIAMOND CO., LTD.
Dongpeng Zhao
B24 - GRINDING POLISHING
Information
Patent Grant
Polycrystalline diamond compact
Patent number
10,865,152
Issue date
Dec 15, 2020
SF DIAMOND CO., LTD.
Caili Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPOSITE SHEET HAVING RIPPLE-SHAPED GRADIE...
Publication number
20240279126
Publication date
Aug 22, 2024
Central South University
Shaohe ZHANG
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
GRADIENT STRUCTURE CUBIC BORON NITRIDE COMPOSITE SHEET AND PREPARAT...
Publication number
20240228384
Publication date
Jul 11, 2024
Central South University
Shaohe ZHANG
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
COMPLEX POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20220017798
Publication date
Jan 20, 2022
SF Diamond USA, INC.
Fang Haijiang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20210164296
Publication date
Jun 3, 2021
SF DIAMOND CO., LTD.
Dongpeng ZHAO
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR MAKING POLYCRYSTALLINE DIAMOND COMPACTS HAVING CURVED SU...
Publication number
20200087758
Publication date
Mar 19, 2020
SF DIAMOND CO., LTD.
Dongpeng ZHAO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20190368276
Publication date
Dec 5, 2019
SF DIAMOND CO., LTD.
Dongpeng ZHAO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20190368277
Publication date
Dec 5, 2019
SF DIAMOND CO., LTD.
Dongpeng ZHAO
B24 - GRINDING POLISHING
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20190210931
Publication date
Jul 11, 2019
SF DIAMOND CO., LTD.
Caili WANG
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20190203539
Publication date
Jul 4, 2019
SF DIAMOND CO., LTD.
Dongpeng ZHAO
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR PROCESSING POLYCRYSTALLINE DIAMOND COMPACT HAVING CURVED...
Publication number
20180318962
Publication date
Nov 8, 2018
SF DIAMOND CO., LTD.
Dongpeng Zhao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR