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Wanjun Cao
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cutting elements, and related earth-boring tools, supporting substr...
Patent number
12,098,597
Issue date
Sep 24, 2024
Baker Hughes Holdings LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Grant
Supporting substrates for cutting elements, and related methods
Patent number
12,018,533
Issue date
Jun 25, 2024
Baker Hughes Holdings LLC
Wanjun Cao
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Methods of forming cutting elements
Patent number
11,885,182
Issue date
Jan 30, 2024
Baker Hughes Holdings LLC
Wanjun Cao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods of forming cutting elements and supporting substrates for c...
Patent number
11,807,920
Issue date
Nov 7, 2023
Baker Hughes Holdings LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods of forming cutting elements
Patent number
11,732,532
Issue date
Aug 22, 2023
Baker Hughes Holdings LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cutting elements, and related earth-boring tools and methods
Patent number
11,536,091
Issue date
Dec 27, 2022
Baker Hughes Holding LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Grant
Cutting elements, and related structures and earth-boring tools
Patent number
11,396,688
Issue date
Jul 26, 2022
Baker Hughes Holdings LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Polycrystalline diamond compacts having leach depths selected to co...
Patent number
11,242,714
Issue date
Feb 8, 2022
Baker Hughes Holdings LLC
Danny E. Scott
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatuses and methods for forming an instrumented cutting for an...
Patent number
11,180,989
Issue date
Nov 23, 2021
Baker Hughes Holdings LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Techniques for forming instrumented cutting elements and affixing t...
Patent number
11,111,731
Issue date
Sep 7, 2021
Baker Hughes Oilfield Operations LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond compacts having leach depths selected to co...
Patent number
10,633,928
Issue date
Apr 28, 2020
Baker Hughes, a GE company, LLC
Danny E. Scott
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting tables including rhenium-containing structures, and related...
Patent number
10,619,422
Issue date
Apr 14, 2020
Baker Hughes, a GE company, LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatuses and method for attaching an instrumented cutting elemen...
Patent number
10,584,581
Issue date
Mar 10, 2020
Baker Hughes, a GE company, LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting elements including internal fluid flow pathways, and relate...
Patent number
10,577,869
Issue date
Mar 3, 2020
Baker Hughes, a GE company, LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Earth-boring tools, depth-of-cut limiters, and methods of forming o...
Patent number
10,487,589
Issue date
Nov 26, 2019
Baker Hughes, a GE company, LLC
Bo Yu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Nozzle assemblies including shape memory materials for earth-boring...
Patent number
10,053,916
Issue date
Aug 21, 2018
Baker Hughes Incorporated
Bo Yu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
SUPPORTING SUBSTRATES FOR CUTTING ELEMENTS, AND RELATED METHODS
Publication number
20240318507
Publication date
Sep 26, 2024
Baker Hughes Holdings LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Application
SUPPORTING SUBSTRATES FOR CUTTING ELEMENTS, AND RELATED METHODS
Publication number
20230091691
Publication date
Mar 23, 2023
Baker Hughes Holdings LLC
Wanjun Cao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS OF FORMING CUTTING ELEMENTS, AND RELATED EARTH-BORING TOOLS
Publication number
20220298866
Publication date
Sep 22, 2022
Baker Hughes Holdings LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Application
CUTTING ELEMENTS, AND RELATED EARTH-BORING TOOLS, SUPPORTING SUBSTR...
Publication number
20220298867
Publication date
Sep 22, 2022
Baker Hughes Holdings LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Application
METHODS OF FORMING CUTTING ELEMENTS AND SUPPORTING SUBSTRATES FOR C...
Publication number
20220275486
Publication date
Sep 1, 2022
Baker Hughes Holdings LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Application
TECHNIQUES FOR FORMING INSTRUMENTED CUTTING ELEMENTS AND AFFIXING T...
Publication number
20210172259
Publication date
Jun 10, 2021
Baker Hughes Oilfield Operations LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Application
TECHNIQUES FOR AFFECTING LEACHING PROFILES IN CUTTING ELEMENTS FOR...
Publication number
20210047887
Publication date
Feb 18, 2021
Baker Hughes Oilfield Operations LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACTS HAVING LEACH DEPTHS SELECTED TO CO...
Publication number
20200240216
Publication date
Jul 30, 2020
BAKER HUGHES, A GE COMPANY, LLC
Danny E. Scott
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS OF FORMING CUTTING ELEMENTS
Publication number
20200181984
Publication date
Jun 11, 2020
BAKER HUGHES, A GE COMPANY, LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Application
APPARATUSES AND METHODS FOR FORMING AN INSTRUMENTED CUTTING FOR AN...
Publication number
20200011171
Publication date
Jan 9, 2020
BAKER HUGHES, A GE COMPANY, LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUSES AND METHODS FOR ATTACHING AN INSTRUMENTED CUTTING ELEME...
Publication number
20200011170
Publication date
Jan 9, 2020
BAKER HUGHES, A GE COMPANY, LLC
Wanjun Cao
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ELEMENTS, AND RELATED EARTH-BORING TOOLS, SUPPORTING SUBSTR...
Publication number
20190368278
Publication date
Dec 5, 2019
BAKER HUGHES, A GE COMPANY, LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Application
CUTTING ELEMENTS INCLUDING INTERNAL FLUID FLOW PATHWAYS, AND RELATE...
Publication number
20180334859
Publication date
Nov 22, 2018
BAKER HUGHES, A GE COMPANY, LLC
Wanjun Cao
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHODS OF FORMING SUPPORTING SUBSTRATES FOR CUTTING ELEMENTS, AND...
Publication number
20180327888
Publication date
Nov 15, 2018
BAKER HUGHES, A GE COMPANY, LLC
Wanjun Cao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CUTTING TABLES INCLUDING RHENIUM-CONTAINING STRUCTURES, AND RELATED...
Publication number
20180230754
Publication date
Aug 16, 2018
BAKER HUGHES INCORPORATED
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Application
NOZZLE ASSEMBLIES INCLUDING SHAPE MEMORY MATERIALS FOR EARTH-BORING...
Publication number
20170204675
Publication date
Jul 20, 2017
BAKER HUGHES INCORPORATED
Bo Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
EARTH-BORING TOOLS, DEPTH-OF-CUT LIMITERS, AND METHODS OF FORMING O...
Publication number
20170204677
Publication date
Jul 20, 2017
BAKER HUGHES INCORPORATED
Bo Yu
E21 - EARTH DRILLING MINING
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACTS HAVING LEACH DEPTHS SELECTED TO CO...
Publication number
20170029338
Publication date
Feb 2, 2017
BAKER HUGHES INCORPORATED
Danny E. Scott
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES