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Patent Assignment Assignor Details
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Assignor Name : LIU, TIEMIN
Total Assignments: 9
Assignment: 1
Reel/Frame:037287/0975   Pages: 14
Recorded: 12/14/2015
Attorney Dkt #:US1500597
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
11/04/2015
2
TIAN, ZHIBIN
Exec Dt:
11/04/2015
3
LU, TAO
Exec Dt:
11/04/2015
4
LIU, LIPING
Exec Dt:
11/04/2015
5
HAO, GUIQING
Exec Dt:
11/04/2015
6
ZHANG, WENQUAN
Exec Dt:
11/04/2015
7
CHU, XIAODONG
Exec Dt:
11/04/2015
8
WEI, ZANQING
Exec Dt:
11/04/2015
9
LIU, TIEMIN
Exec Dt:
11/04/2015
10
HAN, FEN
Exec Dt:
11/04/2015
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORP
NO. 25, CHAOYANGMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 18, OFFSHORE OIL AVENUE, YANJIAO DEVELOPMENTS ZONE
SANHE
LANGFANG, HEBEI, CHINA 065201
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10018038
US20170107813
14898144
Correspondence name and address
LING WU
P.O. BOX 1747
ROCKVILLE, MD 20849
Assignment: 2
Reel/Frame:043677/0993   Pages: 5
Recorded: 09/25/2017
Attorney Dkt #:007556.00188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
08/10/2017
2
LIU, TIEMIN
Exec Dt:
08/10/2017
3
TIAN, ZHIBIN
Exec Dt:
08/10/2017
4
LIU, LIPING
Exec Dt:
08/10/2017
5
CHU, XIAODONG
Exec Dt:
08/10/2017
6
WEI, ZANQING
Exec Dt:
08/10/2017
7
WU, XINGFANG
Exec Dt:
08/10/2017
8
HAO, GUIQING
Exec Dt:
08/10/2017
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 18, OFFSHORE OIL AVENUE
YANJIAO DEVELOPMENTS ZONE
HEBEI, CHINA 065201
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10236667
US20180323589
15561101
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH ST. NW
STE 1200
WASHINGTON, DC 20005
Assignment: 3
Reel/Frame:052595/0421   Pages: 14
Recorded: 05/07/2020
Attorney Dkt #:US2000946
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
04/10/2020
2
ZOU, JIBIN
Exec Dt:
04/10/2020
3
LIU, TIEMIN
Exec Dt:
04/10/2020
4
WU, XINGFANG
Exec Dt:
04/10/2020
5
CHU, XIAODONG
Exec Dt:
04/10/2020
6
TIAN, ZHIBIN
Exec Dt:
04/10/2020
7
ZHANG, GUOQIANG
Exec Dt:
04/10/2020
8
HAO, ZHONGTIAN
Exec Dt:
04/10/2020
9
LI, GUANGSHUAI
Exec Dt:
04/10/2020
10
WU, YIMING
Exec Dt:
04/10/2020
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO.25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11028658
US20200291735
16760034
Correspondence name and address
LING WU
11618 SORREL RUN NW
GIG HARBOR, WA 98332
Assignment: 4
Reel/Frame:055333/0692   Pages: 6
Recorded: 02/18/2021
Attorney Dkt #:007556.00228
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIAN, ZHIBIN
Exec Dt:
02/07/2021
2
HUANG, LIN
Exec Dt:
02/07/2021
3
WEI, ZANQING
Exec Dt:
02/07/2021
4
GUO, SHUSHENG
Exec Dt:
02/07/2021
5
FENG, YONGREN
Exec Dt:
02/07/2021
6
WU, XINGFANG
Exec Dt:
02/07/2021
7
LIU, TIEMIN
Exec Dt:
02/07/2021
8
JIANG, YONG
Exec Dt:
02/07/2021
9
GAO, BIN
Exec Dt:
02/07/2021
10
SUN, PENG
Exec Dt:
02/07/2021
11
ZONG, SHIWEI
Exec Dt:
02/07/2021
12
ZHANG, JIANYONG
Exec Dt:
02/07/2021
13
ZHANG, AIJUN
Exec Dt:
02/07/2021
Assignees
1
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE
DONGCHENG DISTRICT
BEIJING, CHINA 100010
2
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN, CHINA 300459
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11739603
US20210285849
17178479
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH ST. NW
STE 1200
WASHINGTON, DC 20005
Assignment: 5
Reel/Frame:058248/0413   Pages: 6
Recorded: 11/30/2021
Attorney Dkt #:007556.00231
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, TAO
Exec Dt:
06/10/2021
2
FENG, YONGREN
Exec Dt:
06/10/2021
3
XU, CHANGGUI
Exec Dt:
06/10/2021
4
TIAN, ZHIBIN
Exec Dt:
06/10/2021
5
QIN, XIAOFEI
Exec Dt:
06/10/2021
6
ZHOU, MINGGAO
Exec Dt:
06/10/2021
7
CHU, XIAODONG
Exec Dt:
06/10/2021
8
LIU, TIEMIN
Exec Dt:
06/10/2021
9
XUE, YONGZENG
Exec Dt:
06/10/2021
10
WEI, ZANQING
Exec Dt:
06/10/2021
11
HUANG, LIN
Exec Dt:
06/10/2021
Assignees
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN RD.
TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN, CHINA 300459
2
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE
BEIJING, CHINA 100010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11905829
US20220316290
17420108
Correspondence name and address
BANNER & WITCOFF, LTD.
71 SOUTH WACKER DRIVE
SUITE 3600
CHICAGO, IL 60606
Assignment: 6
Reel/Frame:058796/0130   Pages: 5
Recorded: 01/27/2022
Attorney Dkt #:AFD0469PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIAN, ZHIBIN
Exec Dt:
01/21/2022
2
FENG, YONGREN
Exec Dt:
01/21/2022
3
LU, TAO
Exec Dt:
01/21/2022
4
HUANG, LIN
Exec Dt:
01/21/2022
5
LIU, TIEMIN
Exec Dt:
01/21/2022
6
WEI, ZANQING
Exec Dt:
01/21/2022
7
JIANG, YONG
Exec Dt:
01/21/2022
8
DU, XIAOGIANG
Exec Dt:
01/21/2022
9
LIU, LIPING
Exec Dt:
01/21/2022
10
CHU, XIAODONG
Exec Dt:
01/21/2022
Assignees
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
2
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220260094
17630653
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 7
Reel/Frame:059474/0278   Pages: 7
Recorded: 03/22/2022
Attorney Dkt #:AFD0469PUSA
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF THE 8TH INVENTOR'S FIRST NAME PREVIOUSLY RECORDED AT REEL: 058796 FRAME: 0130. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
TIAN, ZHIBIN
Exec Dt:
01/21/2022
2
FENG, YONGREN
Exec Dt:
01/21/2022
3
LU, TAO
Exec Dt:
01/21/2022
4
HUANG, LIN
Exec Dt:
01/21/2022
5
LIU, TIEMIN
Exec Dt:
01/21/2022
6
WEI, ZANQING
Exec Dt:
01/21/2022
7
JIANG, YONG
Exec Dt:
01/21/2022
8
DU, XIAOQIANG
Exec Dt:
01/21/2022
9
LIU, LIPING
Exec Dt:
01/21/2022
10
CHU, XIAODONG
Exec Dt:
01/21/2022
Assignees
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK
TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
2
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE, DONGCHENG DISTRICT
BEIJING, CHINA 100010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220260094
17630653
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48033
Assignment: 8
Reel/Frame:059986/0884   Pages: 5
Recorded: 05/12/2022
Attorney Dkt #:007556.00236\US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIAN, ZHIBIN
Exec Dt:
05/07/2022
2
LU, TAO
Exec Dt:
05/07/2022
3
HUANG, LIN
Exec Dt:
05/07/2022
4
WEI, ZANQING
Exec Dt:
05/07/2022
5
LIU, TIEMIN
Exec Dt:
05/07/2022
6
FENG, YONGREN
Exec Dt:
05/07/2022
7
CHU, XIAODONG
Exec Dt:
05/07/2022
8
JIANG, YONG
Exec Dt:
05/07/2022
Assignees
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN RD., TANGGU MARINE SCIENCE
AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
2
CHINA NATIONAL OFFSHORE OIL CORPORATION
NO. 25, CHAOYANGMENBEI DAJIE
DONGCHENG DISTRICT
BEIJING, CHINA 100010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220397491
17776125
Correspondence name and address
BANNER WITCOFF
71 SOUTH WACKER DRIVE
SUITE 3600
CHICAGO, IL 60606
Assignment: 9
Reel/Frame:063914/0352   Pages: 6
Recorded: 06/09/2023
Attorney Dkt #:AFD0485PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, YONGREN
Exec Dt:
03/24/2023
2
LU, TAO
Exec Dt:
03/24/2023
3
HUANG, LIN
Exec Dt:
03/24/2023
4
GUO, SHUSHENG
Exec Dt:
03/24/2023
5
CHU, XIAODONG
Exec Dt:
03/24/2023
6
XU, KUN
Exec Dt:
03/24/2023
7
LIU, TIEMIN
Exec Dt:
03/24/2023
8
CHEN, YONGCHAO
Exec Dt:
03/24/2023
9
XUE, YONGZENG
Exec Dt:
03/24/2023
10
WENG, XINHUO
Exec Dt:
03/24/2023
11
ZHANG, GUOQIANG
Exec Dt:
03/24/2023
12
SHANG, SUOGUI
Exec Dt:
03/24/2023
13
SHEN, YANG
Exec Dt:
03/24/2023
14
JIN, YA
Exec Dt:
03/24/2023
Assignee
1
CHINA OILFIELD SERVICES LIMITED
NO. 1581 HAICHUAN ROAD, TANGGU MARINE SCIENCE AND TECHNOLOGY PARK, TIANJIN BINHAI HIGH-TECH ZONE
TIANJIN, CHINA 300459
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240026747
18266518
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075

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