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Patent Assignment Assignor Details
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Assignor Name : LAN, QIANG
Total Assignments: 12
Assignment: 1
Reel/Frame:035063/0659   Pages: 6
Recorded: 03/02/2015
Attorney Dkt #:YH1360915CUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, GONGRANG
Exec Dt:
02/16/2015
2
LAN, QIANG
Exec Dt:
02/16/2015
3
ZHANG, PENG
Exec Dt:
02/16/2015
4
ZHENG, CHENGSHENG
Exec Dt:
02/16/2015
5
XU, YUNBO
Exec Dt:
02/16/2015
6
WU, XUEQIN
Exec Dt:
02/16/2015
7
LI, ZUOHUI
Exec Dt:
02/16/2015
8
ZHOU, YANJUN
Exec Dt:
02/16/2015
9
ZHANG, HONG
Exec Dt:
02/16/2015
Assignees
1
SINOPEC OILFIELD SERVICE CORPORATION
8#, BEICHEN WEST ROAD
BEICHEN CENTRUY CENTER, 7TH FLOOR, BUILDING A
CHAOYANG DISTRICT, BEIJING, CHINA 100101
2
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
827#, BEIYI ROAD
DONGYING, SHANDONG PROVINCE, CHINA 257017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9938445
US20150203736
14582901
Correspondence name and address
ANDERSON GORECKI & ROUILLE LLP
33 NAGOG PARK
ACTON, MA 01720
Assignment: 2
Reel/Frame:045565/0504   Pages: 8
Recorded: 04/17/2018
Attorney Dkt #:063718.7992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, QIANG
Exec Dt:
01/08/2016
2
MONTEIRO, DEEPAK
Exec Dt:
01/08/2016
3
CEGLIO, MARK PAUL, II
Exec Dt:
01/08/2016
4
ACOSTA, ERICK J.
Exec Dt:
01/08/2016
5
KRISHNAMURTHY, PUSHKALA
Exec Dt:
01/11/2016
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10934470
US20200040249
15769038
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:041288/0590   Pages: 8
Recorded: 02/17/2017
Attorney Dkt #:063718.7063
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, QIANG
Exec Dt:
04/15/2016
2
MONTEIRO, DEEPAK STEVEN
Exec Dt:
04/15/2016
3
CEGLIO, MARK PAUL, II
Exec Dt:
04/15/2016
4
KRISHNAMURTHY, PUSHKALA
Exec Dt:
05/25/2016
5
ACOSTA, ERICK J.
Exec Dt:
04/21/2016
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10011756
US20180155607
15504930
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 4
Reel/Frame:041289/0451   Pages: 8
Recorded: 02/17/2017
Attorney Dkt #:063718.7062
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, QIANG
Exec Dt:
04/15/2016
2
MONTEIRO, DEEPAK STEVEN
Exec Dt:
04/15/2016
3
CEGLIO, MARK PAUL, II
Exec Dt:
04/15/2016
4
KRISHNAMURTHY, PUSHKALA
Exec Dt:
05/25/2016
5
ACOSTA, ERICK J.
Exec Dt:
04/21/2016
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10100241
US20180155608
15504996
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 5
Reel/Frame:046793/0076   Pages: 8
Recorded: 09/05/2018
Attorney Dkt #:063718.8204
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, QIANG
Exec Dt:
04/15/2016
2
MONTEIRO, DEEPAK STEVEN
Exec Dt:
04/15/2016
3
CEGLIO, MARK PAUL, II
Exec Dt:
04/15/2016
4
KRISHNAMURTHY, PUSHKALA
Exec Dt:
05/25/2016
5
ACOSTA, ERICK J.
Exec Dt:
04/21/2016
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10808163
US20190002751
16122163
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 6
Reel/Frame:051939/0780   Pages: 4
Recorded: 02/26/2020
Attorney Dkt #:063718.8727
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, QIANG
Exec Dt:
09/19/2017
2
DAVIS, NATHAN DARRELL
Exec Dt:
09/19/2017
Assignee
1
MULTI-CHEM GROUP, LLC
2905 SOUTHWEST BLVD.
SAN ANGELO, TEXAS 76904
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11542426
US20210079290
16642278
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 7
Reel/Frame:052056/0909   Pages: 8
Recorded: 03/09/2020
Attorney Dkt #:2069464-0378PTUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIS, NATHAN D.
Exec Dt:
01/22/2018
2
LAN, QIANG
Exec Dt:
01/22/2018
3
GAWAS, KIRAN
Exec Dt:
01/22/2018
4
NGO, JANET L.
Exec Dt:
01/22/2018
Assignee
1
MULTI-CHEM GROUP, LLC
2905 SOUTHWEST BLVD.
SAN ANGELO, TEXAS 76904
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11084970
US20200277526
16645643
Correspondence name and address
MCGUIREWOODS, LLP
1750 TYSONS BLVD., SUITE 1800
TYSONS, VA 22102
Assignment: 8
Reel/Frame:056690/0927   Pages: 6
Recorded: 06/28/2021
Attorney Dkt #:2018-IPM-102476-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MONTEIRO, DEEPAK S
Exec Dt:
02/05/2019
2
VO, LOAN
Exec Dt:
02/04/2019
3
PRINCE, PHILIPPE
Exec Dt:
02/04/2019
4
LAN, QIANG
Exec Dt:
07/05/2018
Assignee
1
MULTI-CHEM GROUP, LLC
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11760916
US20220106518
17419126
Correspondence name and address
MCAFEE & TAFT
8TH FLOOR, TWO LEADERSHIP SQUARE
211 NORTH ROBINSON
OKLAHOMA CITY, OK 73102
Assignment: 9
Reel/Frame:055367/0783   Pages: 4
Recorded: 02/23/2021
Attorney Dkt #:063718.9011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAN, QIANG
Exec Dt:
09/21/2018
2
MONTEIRO, DEEPAK S.
Exec Dt:
09/24/2018
Assignee
1
MULTI-CHEM GROUP, LLC
2905 SOUTHWEST BLVD.
SAN ANGELO, TEXAS 76904
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11795370
US20210253937
17270589
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 10
Reel/Frame:052299/0058   Pages: 7
Recorded: 04/02/2020
Attorney Dkt #:063718.8903
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VO, LOAN
Exec Dt:
05/07/2019
2
MONTEIRO, DEEPAK S.
Exec Dt:
05/07/2019
3
LAN, QIANG
Exec Dt:
06/01/2019
4
PRINCE, PHILLIPPE
Exec Dt:
05/08/2019
Assignee
1
MULTI-CHEM GROUP, LLC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11332657
US20210071065
16753213
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 11
Reel/Frame:052327/0527   Pages: 10
Recorded: 04/07/2020
Attorney Dkt #:063718.8903
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE 4TH INVENTOR'S NAME PREVIOUSLY RECORDED AT REEL: 52299 FRAME: 058. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
VO, LOAN
Exec Dt:
05/07/2019
2
MONTEIRO, DEEPAK S.
Exec Dt:
05/07/2019
3
LAN, QIANG
Exec Dt:
06/01/2019
4
PRINCE, PHILIPPE
Exec Dt:
05/08/2019
Assignee
1
MULTI-CHEM GROUP, LLC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11332657
US20210071065
16753213
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA AVENUE
063718.8903
HOUSTON, TX 77002
Assignment: 12
Reel/Frame:059611/0167   Pages: 7
Recorded: 04/15/2022
Attorney Dkt #:063718.9369
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VO, LOAN
Exec Dt:
05/07/2019
2
MONTEIRO, DEEPAK S.
Exec Dt:
05/07/2019
3
LAN, QIANG
Exec Dt:
06/01/2019
4
PRINCE, PHILIPPE
Exec Dt:
05/08/2019
Assignee
1
MULTI-CHEM GROUP, LLC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11597865
US20220235260
17721732
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET
HOUSTON, TX 77002-4995

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