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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
11459502
Issue Dt:
10/04/2022
Application #:
16240597
Filing Dt:
01/04/2019
Publication #:
20200216750
Pub Dt:
07/09/2020
Inventors:
Jiangshui Huang, Lulu Song, Yu Liu, Lijun Lin, Fuchen Liu, Zhenzhou Yang, Hanxiao Wang
Title:
METHOD FOR MAKING NANO- AND MICRO-PARTICLES FOR USE AS A PROPPANT AND FLUID-LOSS-CONTROL ADDITIVE
Assignment: 1
Reel/Frame:
049131/0405Recorded: 05/09/2019Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LIU, FUCHEN
Exec Dt:
02/11/2019
YANG, ZHENZHOU
Exec Dt:
02/11/2019
LIU, YU
Exec Dt:
02/11/2019
WANG, HANXIAO
Exec Dt:
02/11/2019
Assignee:
BEIJING HUAMEI INC. CNPC
CAOQIAN ROAD
ROOM 2367, BUILDING B, BUILDING 3, SCIENCE PARK, CHANGPING DISTRICT
BEIJING, CHINA 102200
Correspondent:
RAMEY & SCHWALLER, LLP
5020 MONTROSE BLVD., STE. 750
SDFSD
HOUSTON, TX 77006
Assignment: 2
Reel/Frame:
049144/0072Recorded: 05/09/2019Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LIN, LIJUN
Exec Dt:
02/11/2019
HUANG, JIANGSHUI
Exec Dt:
02/09/2019
SONG, LULU
Exec Dt:
02/08/2019
Assignee:
CNPC USA CORPORATION
2901 WILCREST DRIVE
SUITE 600
HOUSTON, TEXAS 77042
Correspondent:
RAMEY & SCHWALLER, LLP
5020 MONTROSE BLVD., STE. 750
SDFSD
HOUSTON, TX 77006

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