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

Reel/Frame:047203/0919   Pages: 14
Recorded: 10/08/2018
Attorney Dkt #:063718.8224
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF RECEIVING PARTY PREVIOUSLY RECORDED AT REEL: 021620 FRAME: 0877. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Total properties: 1
1
Patent #:
Issue Dt:
11/24/2009
Application #:
12151499
Filing Dt:
05/07/2008
Publication #:
Pub Dt:
11/12/2009
Title:
METHODS OF PUMPING FLUIDS HAVING DIFFERENT CONCENTRATIONS OF PARTICULATE WITH DIFFERENT CONCENTRATIONS OF HYDRATABLE ADDITIVE TO REDUCE PUMP WEAR AND MAINTENANCE IN THE FORMING AND DELIVERING OF A TREATMENT FLUID INTO A WELLBORE
Assignors
1
Exec Dt:
08/05/2008
2
Exec Dt:
07/30/2008
3
Exec Dt:
07/30/2008
4
Exec Dt:
07/30/2008
5
Exec Dt:
08/05/2008
6
Exec Dt:
07/14/2008
7
Exec Dt:
06/27/2008
8
Exec Dt:
06/18/2008
Assignee
1
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002

Search Results as of: 05/25/2024 05:50 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