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: 7
Patent #:
Issue Dt:
01/03/2012
Application #:
12122238
Filing Dt:
05/16/2008
Publication #:
Pub Dt:
09/18/2008
Inventors:
Chad RANDAL, Larry MEDHURST, Doug HILDEBRANDT
Title:
RECONDITIONING PROCESS FOR USED HYDROCARBON BASED STIMULATION FLUID
Assignment: 1
Reel/Frame:
021222/0542Recorded: 07/10/2008Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/16/2008
Exec Dt:
05/15/2008
Exec Dt:
05/15/2008
Assignee:
1700, 400 - 2 AVENUE SW
CALGARY, CANADA T2P 5E9
Correspondent:
GOODWIN MCKAY
602 - 12TH AVENUE S.W., SUITE 222
CALGARY, T2R 1J3 CANADA
Assignment: 2
Reel/Frame:
022656/0740Recorded: 05/08/2009Pages: 11
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/01/2008
Assignee:
855-2 ST. S.W., SUITE 4500
CALGARY, CANADA T2P 4K7
Correspondent:
SEAN W GOODWIN
602-12TH AVE. S.W.
SUITE 222, PARKSIDE PLACE
CALGARY, T2R1J3 CANADA
Assignment: 3
Reel/Frame:
022661/0161Recorded: 05/08/2009Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/15/2008
Assignee:
440 - 2ND AVENUE S.W., SUITE 1700
CALGARY, CANADA T2P 5E9
Correspondent:
SEAN W GOODWIN
602-12TH AVE. S.W.
SUITE 222, PARKSIDE PLACE
CALGARY, T2R1J3 CANADA
Assignment: 4
Reel/Frame:
022758/0668Recorded: 06/01/2009Pages: 5
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
05/27/2009
Assignee:
4 KING STREET WEST
SUITE 1101
TORONTO, CANADA M5H 1B6
Correspondent:
CORPORATION SERVICE COMPANY
1090 VERMONT AVENUE NW, SUITE 430
ATTN: JEAN PATERSON
WASHINGTON, DC 20005
Assignment: 5
Reel/Frame:
026465/0317Recorded: 06/20/2011Pages: 5
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
06/15/2011
Assignee:
1111 FANNIN STREET, 10TH FLOOR
LOAN AND AGENCY SERVICES
HOUSTON, TEXAS 77002
Correspondent:
MICHAEL VIOLET
4400 EASTON COMMONS WAY, SUITE 125
CT CORPORATION
COLUMBUS, OH 43219
Assignment: 6
Reel/Frame:
046115/0677Recorded: 05/10/2018Pages: 6
Conveyance:
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AT REEL/FRAME 026465/0317
Assignor:
Exec Dt:
05/01/2018
Assignee:
440 - 2ND AVENUE S.W., SUITE 1700
CALGARY, CANADA T2P 5E9
Correspondent:
JONES DAY
901 LAKESIDE AVENUE
NORTH POINT
CLEVELAND, OH 44114
Assignment: 7
Reel/Frame:
058610/0079Recorded: 01/10/2022Pages: 3
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/01/2021
Assignee:
1700, 440 - 2 AVENUE SW
CALGARY, CANADA T2P 5E9
Correspondent:
ROSEANN B. CALDWELL
4500 BANKERS HALL EAST, 855 - 2ND STREET SW
CALGARY, T2P 4K7 CANADA

Search Results as of: 05/11/2024 09:54 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