IP Library › Assignment 005852/0291
Patent Assignment
Reel/Frame 005852/0291

Assignment of Assignors Interest.

Recorded: 1991-09-25 Pages: 7
Assignor
BAKER HUGHES INCORPORATED
Executed: 1990-07-23
Assignee
BJ SERVICES COMPANY
A CORP. OF DE., 5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77072
Covered Properties (31)
Annulus Pressure Control Test Apparatus
Patent: 3,891,033 →
Application: 05/430,989 →
Well Bore Test and Safety Valve Structure
Patent: 3,915,228 →
Application: 05/544,392 →
Stroke Actuated Well Testing Tool
Patent: 4,050,512 →
Application: 05/702,406 →
Webbed Non-Pneumatic Tire
Patent: 4,345,633 →
Application: 06/008,867 →
Method of Plugging a Well
Patent: 4,275,788 →
Application: 06/115,870 →
Valve Assembly for an Inflatable Packer System
Patent: 4,332,298 →
Application: 06/120,180 →
Inflatable Packer System
Patent: 4,345,648 →
Application: 06/120,418 →
Check/Relief Valve for an Inflatable Packer System
Patent: 4,316,504 →
Application: 06/120,585 →
Zero Free Water Cement Composition and Method
Patent: 4,381,034 →
Application: 06/195,460 →
Expansive Admixture
Patent: 4,332,619 →
Application: 06/206,507 →
Resin Coated Aluminum
Patent: 4,328,038 →
Application: 06/206,508 →
Swivel Unit
Patent: 4,395,061 →
Application: 06/273,821 →
Drag Spring Unit
Patent: 4,411,315 →
Application: 06/278,915 →
Wireline Winch Mounting System
Patent: 4,428,421 →
Application: 06/301,772 →
Early Gas Detection System for a Drill Stem Test
Patent: 4,392,377 →
Application: 06/305,947 →
Method of Cementing a Well Bore Using a Fluid Loss Additive
Patent: 4,413,681 →
Application: 06/388,334 →
Water Control Well Treating Solution and Method
Patent: 4,476,931 →
Application: 06/419,294 →
Cross-Linking System for Water Based Well Fracturing Fluids
Patent: 4,514,309 →
Application: 06/453,051 →
Method of Grouting Offshore Structures
Patent: 4,422,805 →
Application: 06/504,241 →
Fluid Loss Additive
Patent: 4,469,518 →
Application: 06/523,253 →
Cold Set Cement Composition and Method
Patent: 4,482,379 →
Application: 06/538,647 →
Pneumatic Transfer of Solids into Wells
Patent: 4,512,405 →
Application: 06/584,581 →
Method and Apparatus for Increasing the Concentration of Proppant in Well Stimulation Techniques
Patent: 4,569,394 →
Application: 06/584,584 →
Matrix Control Cementing Slurry
Patent: 4,569,395 →
Application: 06/602,641 →
Continuous Flow Perforation Washing Tool and Method
Patent: 4,519,456 →
Application: 06/640,535 →
Non-Retarding Fluid Loss Additives for Well Cementing Compositions
Patent: 4,602,685 →
Application: 06/683,787 →
Non-Retarding Fluid Loss Additives for Well Cementing Compositions
Patent: 4,610,306 →
Application: 06/683,788 →
Method of Fracturing a Subterranean Formation
Patent: 4,635,727 →
Application: 06/764,819 →
Well Cementing Method Using an an/Amps Fluid Loss Additive Blend
Patent: 4,632,186 →
Application: 06/814,350 →
Corrosion Inhibitor for Well Acidizing Treatments
Patent: 4,698,168 →
Application: 06/902,356 →
Method and Composition for Delaying the Gellation of Borated Galactomannans
Patent: 5,082,579 →
Application: 07/465,903 →
Related Assignments (23)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Oct 9, 1980
From: NOVOTNY, RUDOLF J.; GANDY, RICHARD G.
To: B-J HUGHES INC., A CORP. OF DE.
Reel/Frame 003974/0813 →
Assignment of Assignors Interest. Nov 13, 1980
From: BRIGGS GARRY L.
To: BJ-HUGHES INC., A CORP. OF DE.
Reel/Frame 003835/0875 →
Assignment of Assignors Interest. Nov 13, 1980
From: GANDY RICHARD G.; BRIGGS GARRY L.
To: BJ-HUGHES INC., A CORP. OF DE.
Reel/Frame 003860/0981 →
Assignment of Assignors Interest. Jun 15, 1981
From: HELZER, LAWRENCE E.
To: BJ-HUGHES INC.
Reel/Frame 003903/0808 →
Assignment of Assignors Interest. Jun 29, 1981
From: BAKER, RANDY S.; PRICE, H. R.
To: BJ-HUGHES INC.
Reel/Frame 003903/0835 →
Assignment of Assignors Interest. Sep 14, 1981
From: RANKIN, E. EDWARD
To: H-G TESTING COMPANY; A PARTNERSHIP BETWEEN HUGHES TESTING CORPORATION A CORP OF DE. AND GEARHART TESTING CORPORATION A CORP OF TX.
Reel/Frame 004101/0109 →
Assignment of Assignors Interest. Sep 28, 1981
From: RANKIN, E. EDWARD
To: GEARHART INDUSTRIES, INC., A CORP. OF TX.
Reel/Frame 003932/0356 →
Assignment of Assignors Interest. Mar 23, 1982
From: RANKIN, E. EDWARD
To: H-G TESTING COMPANY
Reel/Frame 004065/0973 →
Assignment of Assignors Interest. Jun 14, 1982
From: MC KENZIE, LEE F.
To: HUGHES TOOL COMPANY
Reel/Frame 004023/0411 →
Assignment of Assignors Interest. Sep 17, 1982
From: BOLES, JOEL L.; MANCILLAS, GENE
To: HUGHES TOOL COMPANY, A CORP. OF DE.
Reel/Frame 004051/0191 →
Assignment of Assignors Interest. Dec 27, 1982
From: WADHWA, SURESH K.
To: HUGHES TOOL COMPANY
Reel/Frame 004113/0069 →
Assignment of Assignors Interest. Feb 22, 1983
From: BJ-HUGHES INC.,
To: HUGHES TOOL COMPANY, A CORP. OF DEL.
Reel/Frame 004098/0273 →
Assignment of Assignors Interest. Oct 3, 1983
From: DIBRELL, BENTON L.; GANDY, RICHARD G.
To: HUGHES TOOL COMPANY, A DE CORP.
Reel/Frame 004181/0299 →
Assignment of Assignors Interest. Apr 20, 1984
From: CARPENTER, ROBERT B.
To: HUGHES TOOL COMPANY, P.O. BOX 2539, HOUSTON, 77001 A CORP OF DE
Reel/Frame 004274/0769 →
Assignment of Assignors Interest. Feb 4, 1985
From: GOTTSCHLING, JOHN
To: HUGHES TOOL COMPANY
Reel/Frame 004362/0240 →
Assignment of Assignors Interest. Feb 4, 1985
From: FREEMAN, EARL R.
To: HUGHES TOOL COMPANY
Reel/Frame 004362/0237 →
Assignment of Assignors Interest. Feb 4, 1985
From: SWEATMAN, RONALD E.
To: HUGHES TOOL COMPANY
Reel/Frame 004362/0238 →
Assignment of Assignors Interest. Feb 4, 1985
From: SIMON, JOHN
To: HUGHES TOOL COMPANY
Reel/Frame 004362/0239 →
Assignment of Assignors Interest. Jun 21, 1985
From: GEARHART INDUSTRIES, INC.
To: H-G TESTING OMPANY A JOINT VENTURE PARTNERSHIP COMPRISED OF HUGHES TESTING CORPORATION A DE CORP AND RANKIN ENTERPRISES, INC. A TX CORP
Reel/Frame 004424/0463 →
Assignment of Assignors Interest. Nov 21, 1985
From: SWEATMAN, RONALD E.
To: HUGHES TOOL COMPANY A CORP OF DE
Reel/Frame 004486/0330 →
Assignment of Assignors Interest. Nov 21, 1985
From: GOTTSCHLING, JOHN
To: HUGHES TOOL COMPANY A CORP OF DE
Reel/Frame 004486/0328 →
Assignment of Assignors Interest. Nov 21, 1985
From: FREEMAN, EARL R.
To: HUGHES TOOL COMPANY A CORP OF DE
Reel/Frame 004486/0329 →
Assignment of Assignors Interest. Aug 8, 1988
From: HUGHES TOOL COMPANY
To: BAKER HUGHES INCORPORATED
Reel/Frame 005050/0861 →