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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
NONE
Issue Dt:
06/18/2024
Application #:
17331358
Filing Dt:
05/26/2021
Publication #:
20210370419
Pub Dt:
12/02/2021
Inventors:
Chris Cheng, Jiaqing YU, Ning Li, David He, Xu Wang, Xiongwen Yang, Kevin Waddell, Chi Ma
Title:
Cutting Elements with Reduced Variable Back Rake Angle
Assignment: 1
Reel/Frame:
061944/0810Recorded: 12/01/2022Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
YU, JIAQING
Exec Dt:
11/21/2022
CHENG, CHRIS X
Exec Dt:
11/21/2022
LI, NING
Exec Dt:
11/11/2022
HE, DAVID
Exec Dt:
11/14/2022
WADDELL, KEVIN
Exec Dt:
11/22/2022
WANG, XU
Exec Dt:
11/14/2022
MA, CHI
Exec Dt:
11/14/2022
YANG, XIONGWEN
Exec Dt:
11/29/2022
Assignees:
CNPC USA CORPORATION
2901 WILCREST DRIVE, 6TH FLOOR
HOUSTON, TEXAS 77042
BEIJING HUAMEI INC.
NO. 23 TAIYANGGONG SOUTH ST. CHAO YANG DISTRICT
BEIJING, CHINA 102200
CHINA NATIONAL PETROLEUM CORPORATION
NO. 9 DONGZHIMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA 100007
Correspondent:
RAMEY LLP
5020 MONTROSE BLVD. SUITE 800
HOUSTON, TX 77006

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