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 Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : GUO, HUIJUAN
Total Assignments: 5
Assignment: 1
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
Assignment: 2
Reel/Frame:048939/0803   Pages: 7
Recorded: 04/19/2019
Attorney Dkt #:RAP3-PT143
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, QUANLI
Exec Dt:
01/31/2019
2
YIN, HONGWEI
Exec Dt:
01/31/2019
3
LI, WANJUN
Exec Dt:
01/31/2019
4
GUO, HUIJUAN
Exec Dt:
01/31/2019
5
LIU, GUOJUN
Exec Dt:
01/31/2019
6
XU, BINGGUI
Exec Dt:
01/31/2019
7
CHEN, GANG
Exec Dt:
01/31/2019
8
ZHU, YINGJIE
Exec Dt:
01/31/2019
9
WANG, GANG
Exec Dt:
01/31/2019
10
ZHOU, SHAOHUA
Exec Dt:
01/31/2019
11
LIU, ZHITONG
Exec Dt:
01/31/2019
12
YU, YONGLIANG
Exec Dt:
01/31/2019
13
HE, MINGMIN
Exec Dt:
01/31/2019
14
JIA, TAO
Exec Dt:
01/31/2019
15
WANG, JIANI
Exec Dt:
01/31/2019
16
LV, MINGJIE
Exec Dt:
01/31/2019
17
HE, FEI
Exec Dt:
01/31/2019
Assignee
1
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
BUILDING 1, YARD 5, HUANGHE STREET, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10858917
US20200332629
16389188
Correspondence name and address
VOLPE AND KOENIG, P.C.
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 3
Reel/Frame:053198/0857   Pages: 21
Recorded: 07/14/2020
Attorney Dkt #:RAP3-PT206
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, QUANLI
Exec Dt:
06/23/2020
2
XU, BINGGUI
Exec Dt:
06/23/2020
3
SHI, DEPEI
Exec Dt:
06/23/2020
4
YIN, HONGWEI
Exec Dt:
06/23/2020
5
GUO, HUIJUAN
Exec Dt:
06/23/2020
6
ZHAN, GUODONG
Exec Dt:
06/23/2020
7
LI, WANJUN
Exec Dt:
06/23/2020
8
GUO, JIANHUA
Exec Dt:
06/23/2020
9
ZHU, YINGJIE
Exec Dt:
06/23/2020
10
WANG, JIANLI
Exec Dt:
06/23/2020
11
JIA, TAO
Exec Dt:
06/23/2020
12
LV, MINGJIE
Exec Dt:
06/23/2020
13
YANG, YI
Exec Dt:
06/23/2020
14
YU, YONGLIANG
Exec Dt:
06/23/2020
15
ZHITONG, ZHITONG
Exec Dt:
06/23/2020
16
MING, RUIQING
Exec Dt:
06/23/2020
Assignees
1
CHINA NATIONAL PETROLEUM CORPORATION
NO.9 DONGZHIMEN NORTH STREET
DONGCHENG DISTRICT
BEIJING, CHINA
2
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
BUILDING 1#, YARD NO.5, HUANGHE STREET
SHAHE TOWN, CHANGPING DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11293254
US20210396092
16908898
Correspondence name and address
DOUGLAS J. BUCKLIN
30 SOUTH 17TH STREET
18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 4
Reel/Frame:055424/0833   Pages: 7
Recorded: 02/26/2021
Attorney Dkt #:048361-030N01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEEMELMANNS, CHRISTINE
Exec Dt:
09/21/2020
2
GUO, HUIJUAN
Exec Dt:
09/21/2020
3
HÖFGEN, SANDRA
Exec Dt:
09/21/2020
4
RISCHER, MAJA
Exec Dt:
09/21/2020
5
RAGUZ, LUKA
Exec Dt:
09/21/2020
6
KEIFF, FRANCOIS
Exec Dt:
09/21/2020
7
GORIS, TOBIAS
Exec Dt:
09/23/2020
Assignees
1
LEIBNIZ-INSTITUT FÜR NATURSTOFF-FORSCHUNG UND INFEKTIONSBIOLOGIE E.V. (HKI)
HANS KNÖLL INSTITUTE, BEUTENBERGSTRASSE 11A
JENA, GERMANY 07745
2
FRIEDRICH-SCHILLER-UNIVERSITÄT JENA
FÜRSTENGRABEN 1
JENA, GERMANY 07743
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230202973
16978447
Correspondence name and address
MINTZ LEVIN/SPECIAL GROUP
ONE FINANCIAL CENTER
BOSTON, MA 02111
Assignment: 5
Reel/Frame:060732/0675   Pages: 2
Recorded: 08/05/2022
Attorney Dkt #:SELK.253USPP1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GUO, HUIJUAN
Exec Dt:
08/03/2022
Assignee
1
KLEMM+SOHN GMBH & CO. KG
HANFÄCKER 10
STUTTGART, GERMANY 70378
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
PP35150
NONE
17881949
Correspondence name and address
WEATHERLY IP SOLUTIONS, LLC
1658 COLE BOULEVARD, SUITE G20
LAKEWOOD, CO 80401

Search Results as of: 04/27/2024 02:40 PM
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