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Patent Assignment Assignor Details
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Assignor Name : CHENG, RONGCHAO
Total Assignments: 7
Assignment: 1
Reel/Frame:057687/0573   Pages: 6
Recorded: 10/04/2021
Attorney Dkt #:35742.04136
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HE, YINBO
Exec Dt:
06/17/2021
2
JIANG, GUANCHENG
Exec Dt:
06/17/2021
3
YANG, LILI
Exec Dt:
06/17/2021
4
DONG, TENGFEI
Exec Dt:
06/17/2021
5
TAN, BIN
Exec Dt:
06/17/2021
6
CHENG, RONGCHAO
Exec Dt:
06/17/2021
7
SHI, HE
Exec Dt:
06/17/2021
8
ZHANG, JIANGUO
Exec Dt:
06/17/2021
9
GENG, TIE
Exec Dt:
06/17/2021
10
LUO, JIANSHENG
Exec Dt:
06/17/2021
11
JIA, DONGMIN
Exec Dt:
06/17/2021
12
WANG, KAI
Exec Dt:
06/17/2021
13
XIE, CHUNLIN
Exec Dt:
06/17/2021
14
LI, WUQUAN
Exec Dt:
06/17/2021
15
LI, XIAOQING
Exec Dt:
06/17/2021
Assignee
1
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
NO. 18 FUXUE ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102249
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220049148
17350849
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 2
Reel/Frame:060474/0754   Pages: 6
Recorded: 07/11/2022
Attorney Dkt #:35742.04150
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HE, YINBO
Exec Dt:
06/17/2021
2
JIANG, GUANCHENG
Exec Dt:
06/17/2021
3
YANG, LILI
Exec Dt:
06/17/2021
4
DONG, TENGFEI
Exec Dt:
06/17/2021
5
TAN, BIN
Exec Dt:
06/17/2021
6
CHENG, RONGCHAO
Exec Dt:
06/17/2021
7
SHI, HE
Exec Dt:
06/17/2021
8
ZHANG, JIANGUO
Exec Dt:
06/17/2021
9
GENG, TIE
Exec Dt:
06/17/2021
10
LUO, JIANSHENG
Exec Dt:
06/17/2021
11
JIA, DONGMIN
Exec Dt:
06/17/2021
12
WANG, KAI
Exec Dt:
06/17/2021
13
XIE, CHUNLIN
Exec Dt:
06/17/2021
14
LI, WUQUAN
Exec Dt:
06/17/2021
15
LI, XIAOQING
Exec Dt:
06/17/2021
Assignee
1
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
NO. 18 FUXUE ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102249
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11578251
US20220204833
17696549
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44144-1607
Assignment: 3
Reel/Frame:061626/0647   Pages: 7
Recorded: 10/07/2022
Attorney Dkt #:35742.04152
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIANG, GUANCHENG
Exec Dt:
07/04/2022
2
HE, YINBO
Exec Dt:
07/04/2022
3
DONG, TENGFEI
Exec Dt:
07/04/2022
4
PENG, CHUNYAO
Exec Dt:
07/04/2022
5
YANG, LILI
Exec Dt:
07/04/2022
6
LUO, XIAOHU
Exec Dt:
07/04/2022
7
LUO, XUWU
Exec Dt:
07/04/2022
8
LIANG, XING
Exec Dt:
07/04/2022
9
TAN, BIN
Exec Dt:
07/04/2022
10
WANG, YONG
Exec Dt:
07/04/2022
11
FU, DAQI
Exec Dt:
07/04/2022
12
GENG, TIE
Exec Dt:
07/04/2022
13
RAN, QIHUA
Exec Dt:
07/04/2022
14
LIU, XIAOBO
Exec Dt:
07/04/2022
15
CHENG, RONGCHAO
Exec Dt:
07/04/2022
16
WANG, ZENGLIN
Exec Dt:
07/04/2022
17
CHEN, GANG
Exec Dt:
07/04/2022
18
ZHU, HONGHAO
Exec Dt:
07/04/2022
19
LI, YIZHENG
Exec Dt:
07/04/2022
20
ZHAO, LI
Exec Dt:
07/04/2022
21
CUI, KAIXIAO
Exec Dt:
07/04/2022
Assignees
1
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
NO. 18 FUXUE ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102249
2
CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED
MENG ZHUIWAN STREET NO. 6
CHENGUA DISTRICT, CHENGDU CITY
SICHUAN, CHINA 610051
3
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
NO. 1 BUILDING, NO. 5 COURT
HUANGHE ROAD, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11686190
US20230026538
17864224
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 4
Reel/Frame:060782/0845   Pages: 5
Recorded: 08/11/2022
Attorney Dkt #:20087.0049.NPUS00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHA, WEIBIN
Exec Dt:
08/01/2022
2
LU, MENG
Exec Dt:
08/11/2022
3
SHIPMAN, JANINE
Exec Dt:
08/11/2022
4
REN, JIAXIANG
Exec Dt:
08/03/2022
5
LIU, FUCHEN
Exec Dt:
07/28/2022
6
CHENG, RONGCHAO
Exec Dt:
07/28/2022
Assignees
1
CNPC USA CORPORATION
2901 WILCREST DRIVE, 6TH FLOOR
HOUSTON, TEXAS 77042
2
BEIJING HUAMEI INC.
NO. 23 TAIYANGGONG SOUTH ST. CHAO YANG DISTRICT
BEIJING, CHINA 102200
3
CHINA NATIONAL PETROLEUM CORPORATION
NO. 9 DONGZHIMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA 100007
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240003205
17810446
Correspondence name and address
RAMEY LLP
5020 MONTROSE BLVD. SUITE 800
HOUSTON, TX 77006
Assignment: 5
Reel/Frame:060919/0259   Pages: 6
Recorded: 08/26/2022
Attorney Dkt #:220814-1114JJD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAI, YINGRUI
Exec Dt:
08/23/2022
2
SUN, JINGSHENG
Exec Dt:
08/23/2022
3
LV, KAIHE
Exec Dt:
08/23/2022
4
JIANG, GUANCHENG
Exec Dt:
08/23/2022
5
CHENG, RONGCHAO
Exec Dt:
08/23/2022
6
HUANG, WEIAN
Exec Dt:
08/23/2022
7
WANG, JINTANG
Exec Dt:
08/23/2022
8
LIU, JINGPING
Exec Dt:
08/23/2022
9
HUANG, XIANBIN
Exec Dt:
08/23/2022
10
JIN, JIAFENG
Exec Dt:
08/23/2022
11
LI, JIAN
Exec Dt:
08/23/2022
12
SHI, SHENGLONG
Exec Dt:
08/23/2022
Assignee
1
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
NO. 66 , WEST CHANGJIANG ROAD , HUANGDAO DISTRICT
QINGDAO, CHINA 266580
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230086238
17822764
Correspondence name and address
YUNGPING CHIANG
12462 OLIVER CROMWELL DR
HERNDON, VA 20171
Assignment: 6
Reel/Frame:063305/0912   Pages: 7
Recorded: 04/12/2023
Attorney Dkt #:35742.04155
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIANG, GUANCHENG
Exec Dt:
12/27/2022
2
SUN, JINSHENG
Exec Dt:
12/27/2022
3
HE, YINBO
Exec Dt:
12/27/2022
4
ZHANG, XIN
Exec Dt:
12/27/2022
5
PENG, CHUNYAO
Exec Dt:
12/27/2022
6
DONG, TENGFEI
Exec Dt:
12/27/2022
7
TAN, BIN
Exec Dt:
12/27/2022
8
GENG, TIE
Exec Dt:
12/27/2022
9
YANG, LILI
Exec Dt:
12/27/2022
10
LUO, XIAOHU
Exec Dt:
12/27/2022
11
LUO, XUWU
Exec Dt:
12/27/2022
12
LIANG, XING
Exec Dt:
12/27/2022
13
CHEN, CHANGWEI
Exec Dt:
12/27/2022
14
LIU, XIAOBO
Exec Dt:
12/27/2022
15
CHENG, RONGCHAO
Exec Dt:
12/27/2022
16
LUO, JIANSHENG
Exec Dt:
12/27/2022
17
ZHANG, JIANGUO
Exec Dt:
12/27/2022
18
WANG, YONG
Exec Dt:
12/27/2022
19
FU, DAQI
Exec Dt:
12/27/2022
20
RAN, QIFA
Exec Dt:
12/27/2022
21
ZHAO, LI
Exec Dt:
12/27/2022
22
CUI, KAIXIAO
Exec Dt:
12/27/2022
23
NI, XIAOXIAO
Exec Dt:
12/27/2022
Assignees
1
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
NO. 18 FUXUE ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102249
2
CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED
MENG ZHUIWAN STREET NO. 6
CHENGUA DISTRICT, CHENGDU CITY
SICHUAN, CHINA 610051
3
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
NO. 1 BUILDING, NO. 5 COURT
HUANGHE ROAD, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11787990
US20230133053
18148939
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 7
Reel/Frame:064530/0577   Pages: 9
Recorded: 08/09/2023
Attorney Dkt #:GAI20CN7871P-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, ZHILIANG
Exec Dt:
06/09/2023
2
ZHANG, TIANYI
Exec Dt:
06/09/2023
3
WANG, SHUANGWEI
Exec Dt:
06/09/2023
4
LI, LONG
Exec Dt:
06/09/2023
5
ZHANG, JIE
Exec Dt:
06/08/2023
6
CHENG, RONGCHAO
Exec Dt:
06/08/2023
7
FENG, JIE
Exec Dt:
06/08/2023
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
9 DONGZHIMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA
2
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
NO.1 BUILDING,NO.5 COURTYARD, HUANGHE STREET
CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230365853
18354616
Correspondence name and address
HOFFMAN WARNICK LLC
540 BROADWAY
ALBANY, NY 12207

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