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Patent Assignment Assignee Details
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Assignee Name : SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Total Assignments: 9
Assignment: 1
Reel/Frame:028530/0232   Pages: 6
Recorded: 07/11/2012
Attorney Dkt #:11935.0004-00000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, MI
Exec Dt:
06/25/2012
2
HE, MENG
Exec Dt:
06/21/2012
3
LIU, XUANGUO
Exec Dt:
06/21/2012
4
WANG, MINGSHE
Exec Dt:
06/21/2012
5
ZHOU, ZHENZHEN
Exec Dt:
06/21/2012
6
QIN, ZHENG
Exec Dt:
06/21/2012
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION 2
ZHONGSHAN AVENUE
GUANGHAN, SICHUAN, CHINA 618300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130206753
13459405
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT &
901 NEW YORK AVENUE NW
WASHINGTON, DC 20001-4413
Assignment: 2
Reel/Frame:028530/0290   Pages: 8
Recorded: 07/11/2012
Attorney Dkt #:11935.0005-00000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, MI
Exec Dt:
06/25/2012
2
CHEN, JUN
Exec Dt:
06/21/2012
3
WANG, MINGSHE
Exec Dt:
06/21/2012
4
LIU, XUANGUO
Exec Dt:
06/21/2012
5
TANG, PING
Exec Dt:
06/21/2012
6
HE, MENG
Exec Dt:
06/21/2012
7
WANG, JIANGYANG
Exec Dt:
06/25/2012
8
CHEN, TAO
Exec Dt:
06/21/2012
9
XIE, WEI
Exec Dt:
06/27/2012
10
LIANG, ZHONGCAI
Exec Dt:
06/21/2012
11
LIU, YINCHUN
Exec Dt:
06/21/2012
12
CHEN, GUANG
Exec Dt:
06/21/2012
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION 2
ZHONGSHAN AVENUE
GUANGHAN, SICHUAN, CHINA 618300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9016378
US20130206411
13460010
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT &
901 NEW YORK AVENUE NW
WASHINGTON, DC 20001-4413
Assignment: 3
Reel/Frame:034058/0356   Pages: 10
Recorded: 10/29/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, MI
Exec Dt:
10/29/2014
2
TANG, PING
Exec Dt:
10/27/2014
3
WANG, XINJUN
Exec Dt:
10/27/2014
4
WANG, JIANGYANG
Exec Dt:
10/29/2014
5
CHEN, TAO
Exec Dt:
10/28/2014
6
ZHANG, BIN
Exec Dt:
10/27/2014
7
XIE, MEIYING
Exec Dt:
10/27/2014
8
ZHAO, YONGCAN
Exec Dt:
10/29/2014
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION 2, ZHONGSHAN AVENUE
GUANGHAN CITY, CHINA 618300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150078924
14397674
Correspondence name and address
MEI & MARK LLP
P.O. BOX 65981
WASHINGTON, DC 20035-5981
Assignment: 4
Reel/Frame:049476/0480   Pages: 4
Recorded: 06/14/2019
Attorney Dkt #:PA119.0041
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUO, RUI
Exec Dt:
06/10/2019
2
ZHANG, TING
Exec Dt:
06/10/2019
3
OU, XIAOWU
Exec Dt:
06/10/2019
4
YANG, QIONGHUA
Exec Dt:
06/10/2019
5
XU, YUEGANG
Exec Dt:
06/10/2019
6
LI, GUIXUAN
Exec Dt:
06/10/2019
7
XIA, HONGKE
Exec Dt:
06/10/2019
8
ZHANG, WEI
Exec Dt:
06/10/2019
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
NO. 90, SOUTH SECTION 2, ZHONGSHAN AVENUE
GUANGHAN, DEYANG, SICHUAN, CHINA 618300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11028651
US20190316421
16470075
Correspondence name and address
NOVICK, KIM & LEE, PLLC
3251 OLD LEE HIGHWAY, SUITE 404
FAIRFAX, VA 22030
Assignment: 5
Reel/Frame:056892/0850   Pages: 7
Recorded: 07/19/2021
Attorney Dkt #:20816-0002US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHONG
Exec Dt:
07/15/2021
2
TIAN, YU
Exec Dt:
07/15/2021
3
TANG, AIMIN
Exec Dt:
07/15/2021
4
GAO, HANG
Exec Dt:
07/15/2021
5
LI, ZHIGANG
Exec Dt:
07/15/2021
6
LYU, YAN
Exec Dt:
07/15/2021
7
HE, BO
Exec Dt:
07/15/2021
8
LI, XIAOHU
Exec Dt:
07/15/2021
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION OF ZHONGSHAN AVENUE
GUANGHAN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11299942
US20220098938
17305869
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 6
Reel/Frame:056972/0363   Pages: 6
Recorded: 07/26/2021
Attorney Dkt #:20816-0001US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAI, JUNQING
Exec Dt:
07/16/2021
2
LYU, YAN
Exec Dt:
07/16/2021
3
LIANG, LIANGLIANG
Exec Dt:
07/16/2021
4
TANG, AIMIN
Exec Dt:
07/16/2021
5
WU, ZHENGHUA
Exec Dt:
07/16/2021
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION OF ZHONGSHAN AVENUE
GUANGHAN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11603720
US20220074275
17381221
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 7
Reel/Frame:057652/0071   Pages: 7
Recorded: 09/30/2021
Attorney Dkt #:20816-0003US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, YING
Exec Dt:
08/03/2021
2
LI, XIAOHU
Exec Dt:
08/03/2021
3
WANG, LIN
Exec Dt:
08/03/2021
4
OU, XIAOWU
Exec Dt:
08/03/2021
5
TANG, AIMIN
Exec Dt:
08/03/2021
6
YANG, QIONGHUA
Exec Dt:
08/03/2021
7
CHAI, JUNQING
Exec Dt:
08/03/2021
8
LYU, YAN
Exec Dt:
08/03/2021
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION OF ZHONGSHAN AVENUE
GUANGHAN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11286731
NONE
17463563
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 8
Reel/Frame:058687/0865   Pages: 3
Recorded: 01/19/2022
Attorney Dkt #:20816-0003US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HONGHUA AMERICA, LLC
Exec Dt:
01/12/2022
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION OF ZHONGSHAN AVENUE
GUANGHAN, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11286731
NONE
17463563
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 9
Reel/Frame:060966/0437   Pages: 4
Recorded: 09/01/2022
Attorney Dkt #:SCLJ-051_AJ2125221
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUO, QUAN
Exec Dt:
08/29/2022
2
MIAO, RU
Exec Dt:
08/29/2022
3
ZHU, MAOLIN
Exec Dt:
08/29/2022
4
XIE, MEIYING
Exec Dt:
08/29/2022
5
YANG, JIAPING
Exec Dt:
08/29/2022
Assignee
1
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH ZHONGSHAN AVENUE, GUANGHAN
SICHUAN, CHINA 618300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230082967
17929094
Correspondence name and address
CENTRAL CALIFORNIA IP GROUP, P.C.
1768 E. BIRCH AVENUE
FRESNO, CA 93720

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