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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
9850744
Issue Dt:
12/26/2017
Application #:
14902568
Filing Dt:
01/02/2016
Publication #:
20160145979
Pub Dt:
05/26/2016
Inventors:
Shuhua Zhang, Hongxing Wang, Kechu Han, Hongrong Wang, Qiangkun Zhang
Title:
Method for Extracting Coalbed Gas through Water and Coal Dust Drainage and a Device Thereof
Assignment: 1
Reel/Frame:
037395/0571Recorded: 01/02/2016Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
ZHANG, SHUHUA
Exec Dt:
12/31/2015
WANG, HONGXING
Exec Dt:
12/31/2015
HAN, KECHU
Exec Dt:
12/31/2015
WANG, HONGRONG
Exec Dt:
12/31/2015
ZHANG, QIANGKUN
Exec Dt:
12/31/2015
Assignee:
SHENGLI OILFIELD LONGDI PETROLEUM TECHNOLOGY (EQUIPMENT) CO., LTD.
WEST OF BEIZHAO TOWN BINCHENG DR.
BINZHOU, SHANDONG, CHINA 256600
Correspondent:
HAN IP CORPORATION
4790 IRVINE BOULEVARD SUITE 105-347
IRVINE, CA 92620
Assignment: 2
Reel/Frame:
044113/0673Recorded: 09/26/2017Pages: 5
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEES NAME PREVIOUSLY RECORDED AT REEL: 037395 FRAME: 0571. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
SHUHUA ZHANG
Exec Dt:
08/11/2017
HONGXING WANG
Exec Dt:
08/11/2017
KECHU HAN
Exec Dt:
08/11/2017
HONGRONG WANG
Exec Dt:
08/11/2017
QIANGKUN ZHANG
Exec Dt:
08/11/2017
Assignee:
SHENGLI LONGDI PETROLEUM TECHNOLOGY & EQUIPMENT CO., LTD.
WEST OF BEIZHAO TOWN BINCHENG DR.
BINZHOU
SHANDONG, CHINA 256600
Correspondent:
GANG LUO
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850

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