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

Total Assignments: 3
Patent #:
Issue Dt:
07/12/2011
Application #:
12613350
Filing Dt:
11/05/2009
Publication #:
Pub Dt:
05/06/2010
Inventors:
Kewei Zhang, Bill O'Neil, Darren Maley
Title:
HYDROCARBON FLUID COMPOSITIONS AND METHODS FOR USING SAME
Assignment: 1
Reel/Frame:
024853/0154Recorded: 08/18/2010Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/16/2010
Exec Dt:
02/16/2010
Exec Dt:
02/16/2010
Assignee:
C/O 645-7TH AVENUE S.W.
SUITE 2900
CALGARY, ALBERTA, CANADA T2P 4G8
Correspondent:
NICHOLAS D. ROUSE
P.O. BOX 16370
OKLAHOMA CITY, OK 73113
Assignment: 2
Reel/Frame:
037482/0702Recorded: 01/13/2016Pages: 20
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/15/2015
Assignee:
600, 530 - 8TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3S8
Correspondent:
ANNIE AYMOND-NORTON ROSE FULBRIGHT USLLP
1301 MCKINNEY STREET
HOUSTON, TX 77010
Assignment: 3
Reel/Frame:
060087/0101Recorded: 06/02/2022Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/03/2021
Assignee:
520 - 3RD AVENUE SW
SUITE 4000
CALGARY, CANADA T2P 0R3
Correspondent:
NORTON ROSE FULBRIGHT CANADA LLP
2500-1 PLACE VILLE-MARIE
MONTRÉAL, PQC H3B 1R1

Search Results as of: 05/23/2024 02:26 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