skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : CNPC DRILLING RESEARCH INSTITUTE
Total Assignments: 4
Assignment: 1
Reel/Frame:042009/0102   Pages: 8
Recorded: 03/14/2017
Attorney Dkt #:BSY-1015
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, GUANGHUA
Exec Dt:
02/02/2015
2
ZOU, LIANYANG
Exec Dt:
02/02/2015
3
LIU, XINLI
Exec Dt:
02/02/2015
4
HUANG, YANFU
Exec Dt:
01/29/2015
5
TAO, SHIKAI
Exec Dt:
01/29/2015
6
YANG, WENJIANG
Exec Dt:
01/29/2015
7
YAN, GUOXING
Exec Dt:
01/29/2015
8
SHI, HONGJIANG
Exec Dt:
01/29/2015
9
LI, TIEJUN
Exec Dt:
01/29/2015
10
WANG, CHEN
Exec Dt:
01/29/2015
11
SHI, QIAN
Exec Dt:
01/29/2015
12
SUN, CHENGQIN
Exec Dt:
01/29/2015
13
ZHANG, CHUNHUA
Exec Dt:
01/29/2015
14
ZHOU, ZHIYONG
Exec Dt:
01/29/2015
15
PAN, XINGMING
Exec Dt:
01/29/2015
16
WU, QINGKUI
Exec Dt:
01/29/2015
17
LI, ZHANGJIAN
Exec Dt:
01/29/2015
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
6 LIUPUKANG STREET, XICHENG DISTRICT
BEIJING, CHINA 100724
2
CNPC DRILLING RESEARCH INSTITUTE
M BLOCK JINGXINYUAN NO. A 25, BEIWUCUN ROAD
SIJIQING TOWN, HAIDIAN DISTRICT
BEIJING, CHINA 100195
3
BEIJING PETROLEUM MACHINERY FACTORY
NO. 41 ZHIXIN STREET, HAIDIAN DISTRICT
BEIJING, CHINA 100083
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9816327
US20150152726
14415944
Correspondence name and address
LOZA & LOZA LLP
305 NORTH SECOND AVE., #127
UPLAND, CA 91786-6064
Assignment: 2
Reel/Frame:040765/0845   Pages: 4
Recorded: 11/30/2016
Attorney Dkt #:GAI15CN2301-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, YANPING
Exec Dt:
11/22/2016
2
LI, XUEHUI
Exec Dt:
11/22/2016
3
WU, QIANLI
Exec Dt:
11/22/2016
4
YU, YONGLIANG
Exec Dt:
11/22/2016
5
CAO, CHUAN
Exec Dt:
11/22/2016
6
LV, MINGJIE
Exec Dt:
11/22/2016
7
JIA, TAO
Exec Dt:
11/22/2016
8
YANG, YI
Exec Dt:
11/22/2016
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
9 DONGZHIMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA
2
CNPC DRILLING RESEARCH INSTITUTE
4F, BUILDING A, BLOCK A34, CNPC INNOVATION BASE
XISHATUN BRIDGE WEST, SHAHE TOWN, CHANGPING DISTRICT
BEIJING, CHINA 1002206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10450801
US20170152718
15363699
Correspondence name and address
HOFFMAN WARNICK LLC
540 BROADWAY
ALBANY, NY 12207
Assignment: 3
Reel/Frame:044564/0330   Pages: 5
Recorded: 01/08/2018
Attorney Dkt #:212033-0003-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, HONGYING
Exec Dt:
12/18/2017
2
WANG, NA
Exec Dt:
12/18/2017
3
HUANG, YANFU
Exec Dt:
12/18/2017
4
SHI, LIN
Exec Dt:
12/18/2017
5
YU, PING
Exec Dt:
12/18/2017
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT
BEIJING, CHINA 100007
2
CNPC DRILLING RESEARCH INSTITUTE
A34 PLOTS, CHINA PETROLEUM INNOVATION BASE, XISHATUN BRIDGE WEST, SHAHE TOWN, CHANGPING DISTRICT
BEIJING, CHINA 102206
3
BEIJING PETROLEUM MACHINERY CO.
NO. 9 NENGYUAN SOUTH STREET, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10808496
US20180313186
15864716
Correspondence name and address
MICHAEL BEST & FRIEDRICH LLP (MKE)
100 E WISCONSIN AVENUE
SUITE 3300
MILWAUKEE, WI 53202
Assignment: 4
Reel/Frame:044605/0537   Pages: 7
Recorded: 01/12/2018
Attorney Dkt #:212033-0002-US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, BINGGUI
Exec Dt:
12/25/2017
2
YIN, HONGWEI
Exec Dt:
12/25/2017
3
GUO, HUIJUAN
Exec Dt:
12/26/2017
4
LIU, ZHITONG
Exec Dt:
12/25/2017
5
LV, MINGJIE
Exec Dt:
12/25/2017
6
WANG, JIANLI
Exec Dt:
12/25/2017
7
LI, QIANG
Exec Dt:
12/26/2017
8
KANG, PENG
Exec Dt:
12/26/2017
9
JIA, TAO
Exec Dt:
12/25/2017
10
WANG, XUE
Exec Dt:
12/25/2017
11
TIAN, YI
Exec Dt:
12/25/2017
12
WANG, AIGUO
Exec Dt:
12/25/2017
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT
BEIJING, CHINA
2
CNPC DRILLING RESEARCH INSTITUTE
A34 PLOTS, CHINA PETROLEUM INNOVATION BASE, XISHATUN BRIDGE WEST, SHAHE TOWN, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10641067
US20180202267
15744129
Correspondence name and address
MICHAEL BEST & FRIEDRICH LLP (MKE)
100 E WISCONSIN AVENUE
SUITE 3300
MILWAUKEE, WI 53202

Search Results as of: 04/28/2024 01:47 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT