IP Library › Assignment 005050/0861
Patent Assignment
Reel/Frame 005050/0861

Assignment of Assignors Interest.

Recorded: 1988-08-08 Pages: 1
Assignor
HUGHES TOOL COMPANY
Executed: 1988-06-09
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX,, HOUSTON,, TEXAS, 77027
Covered Properties (170)
System for Remotely Indicating Selectably Two Phenomena
Patent: 3,587,076 →
Application: 04/727,854 →
Method and Apparatus for Separating Subsea Well Conduit Couplings from a Remote Floating Vessel
Patent: 3,675,713 →
Application: 05/023,864 →
Submersible Pump Drive System
Patent: 3,751,192 →
Application: 05/132,942 →
Electrical Cable
Patent: 3,710,007 →
Application: 05/208,624 →
Electrical Cable
Patent: 3,710,009 →
Application: 05/208,643 →
Clayfree Aqueous Sea Water Drilling Fluid
Patent: 3,878,110 →
Application: 05/300,389 →
Flotation Means for Subsea Well Riser
Patent: 3,858,401 →
Application: 05/420,678 →
Oil Resistant Blends for Electrical Insulation
Patent: 3,926,900 →
Application: 05/424,262 →
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 →
Automated Pipe Handling System
Patent: 4,042,123 →
Application: 05/547,375 →
Overload Protection System for Three-Phase Submersible Pump Motor
Patent: 4,000,446 →
Application: 05/583,717 →
Flotation Means for Subsea Well Riser
Patent: 3,992,889 →
Application: 05/585,377 →
Tamdem Thrust Bearing
Patent: 4,033,647 →
Application: 05/663,650 →
Pump Modification for Matching Performance
Patent: 4,219,917 →
Application: 05/698,231 →
Stroke Actuated Well Testing Tool
Patent: 4,050,512 →
Application: 05/702,406 →
Insulated and Braid Covered Electrical Conductor for Use in Gassy Oil Wells
Patent: 4,096,351 →
Application: 05/717,437 →
Separator
Patent: 4,088,459 →
Application: 05/752,499 →
Computer-Controlled Oil Drilling Rig Having Drawworks Motor and Brake Control Arrangement
Patent: 4,187,546 →
Application: 05/777,724 →
Marine Riser Conduit Section Coupling Means
Patent: 4,183,562 →
Application: 05/783,636 →
Gas-Liquid Separator
Patent: 4,330,306 →
Application: 05/843,019 →
Moveable Guide Structure for a Sub-Sea Drilling Template
Patent: 4,190,120 →
Application: 05/852,908 →
Subsea Flowline Connector
Patent: 4,200,312 →
Application: 05/875,639 →
Apparatus and Method for Removing Hydrocarbons from Drill Cuttings
Patent: 4,222,988 →
Application: 05/903,304 →
Cable Splice
Patent: 4,234,758 →
Application: 05/957,383 →
Impact Tool with Hydraulic Cocking Mechanism
Patent: 4,256,187 →
Application: 05/965,202 →
Rotating Stabilizer for Shaft Drilling
Patent: 4,227,585 →
Application: 05/974,206 →
Apparatus for Sensing a Distended Location on a Drill Pipe
Patent: 4,327,261 →
Application: 06/003,035 →
Splice for Lead-Sheathed Cable
Patent: 4,273,953 →
Application: 06/004,256 →
Non-Rotating Stabilizer for Drill String
Patent: 4,293,039 →
Application: 06/012,277 →
Power Tongs Control Arrangement
Patent: 4,202,225 →
Application: 06/026,820 →
Annulus Valve
Patent: 4,333,526 →
Application: 06/037,841 →
Shaft Drill Bit with Improved Cutter Bearing and Seal Arrangement and Cutter Insert Arrangement
Patent: 4,316,515 →
Application: 06/043,533 →
Cable
Patent: 4,284,841 →
Application: 06/073,414 →
Energizing Circuit for Providing Low Voltage Starting for Submersible Pump Motor
Patent: 4,330,740 →
Application: 06/079,852 →
Tandem Thrust Bearing
Patent: 4,275,938 →
Application: 06/096,344 →
Electronic Cooling
Patent: 4,302,793 →
Application: 06/099,016 →
Method of Releasably Connecting a Pair of Pipes
Patent: 4,326,328 →
Application: 06/101,417 →
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 →
Packer Deflate Subassembly for an Inflatable Packer System
Patent: 4,345,653 →
Application: 06/121,960 →
Valve Retrieval Mechanism for an Inflatable Packer System
Patent: 4,320,803 →
Application: 06/124,664 →
Pipe Gripping Head
Patent: 4,304,433 →
Application: 06/130,761 →
Pipe Manipulator
Patent: 4,345,864 →
Application: 06/130,762 →
Metal to Metal Sealed Joint for Tubing String
Patent: 4,374,595 →
Application: 06/159,754 →
Safety Apparatus for Automatically Sealing Hydraulic Lines Within a Sub-Sea Well Casing
Patent: 31,645 →
Application: 06/163,231 →
Rotary Power Slips
Patent: 4,333,209 →
Application: 06/165,585 →
Kelly Packing and Stripper Seal Protection Element
Patent: 4,326,584 →
Application: 06/174,946 →
Multiline Riser Support and Connection System and Method for Subsea Wells
Patent: 4,403,658 →
Application: 06/183,881 →
Seal Assembly Releasing Tool
Patent: 4,333,528 →
Application: 06/193,314 →
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 →
Slip Setting Ring
Patent: 4,415,193 →
Application: 06/239,308 →
Submersible Pump Seal Section with Multiple Bellows
Patent: 4,421,999 →
Application: 06/239,767 →
Bearing for a Shaft Cutter Stabilizer
Patent: 4,384,747 →
Application: 06/244,410 →
Below Motor Pressure Compensation System for Submersible Pump
Patent: 4,436,488 →
Application: 06/267,224 →
Concentric Electric Connector for Subsea Well Apparatus
Patent: 4,416,495 →
Application: 06/270,736 →
Swivel Unit
Patent: 4,395,061 →
Application: 06/273,821 →
Drag Spring Unit
Patent: 4,411,315 →
Application: 06/278,915 →
Splice for Lead-Coated and Insulated Conductors
Patent: 4,370,518 →
Application: 06/287,400 →
Blowout Preventer
Patent: 4,345,735 →
Application: 06/288,711 →
Slip-Type Elevator Locking Mechanism
Patent: 4,361,940 →
Application: 06/289,945 →
Marine Conductor Coupling
Patent: 4,491,345 →
Application: 06/290,464 →
Self-Aligning Mechanical Face Seal
Patent: 4,406,462 →
Application: 06/301,162 →
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 →
Telescopic Joint Upper Tube Retainer Method
Patent: 4,428,433 →
Application: 06/306,443 →
Backspin Detection Circuit for a Submersible Pump
Patent: 4,410,845 →
Application: 06/307,558 →
Feed Through Mandrel for Submersible Pump
Patent: 4,426,124 →
Application: 06/308,057 →
Reversal Mechanism for Power Tong
Patent: 4,436,002 →
Application: 06/329,971 →
Submersible Motor Bearing with Extended Sleeve
Patent: 4,453,099 →
Application: 06/341,959 →
Subsea Flowline Connector
Patent: 4,469,136 →
Application: 06/351,116 →
Beam Type Racking System
Patent: 4,462,733 →
Application: 06/371,144 →
Seal Assembly Releasing Tool
Patent: 4,431,054 →
Application: 06/371,145 →
Submersible Pump Motor Flexible Bearing
Patent: 4,435,661 →
Application: 06/376,791 →
Submersible Pump Telemetry System
Patent: 4,581,613 →
Application: 06/376,792 →
Submersible Pump Impeller Locking Method
Patent: 4,483,660 →
Application: 06/378,303 →
Method of Cementing a Well Bore Using a Fluid Loss Additive
Patent: 4,413,681 →
Application: 06/388,334 →
Tieback Connection Method and Apparatus
Patent: 4,456,070 →
Application: 06/401,508 →
Flowline Pull-in Apparatus and Method
Patent: 4,457,378 →
Application: 06/402,178 →
Tendon Latch
Patent: 4,491,439 →
Application: 06/402,179 →
Tie-Back Connection Apparatus and Method
Patent: 4,465,134 →
Application: 06/402,180 →
Shock Absorbing Snubber for Derrick Hooks
Patent: 4,438,910 →
Application: 06/405,230 →
Drill Bit with Dispersed Cutter Inserts
Patent: 4,441,566 →
Application: 06/406,592 →
Link Engaging Pipe Elevator
Patent: 4,396,216 →
Application: 06/413,044 →
Water Control Well Treating Solution and Method
Patent: 4,476,931 →
Application: 06/419,294 →
Continuous Pressure and Temperature Readout for Submersible Pumps
Patent: 4,477,230 →
Application: 06/430,622 →
Elastomeric Compositions with Improved Chemical Water and Heat Resistance
Patent: 4,430,472 →
Application: 06/450,692 →
Overtemperature Speed Control for a Variable Speed Drive
Patent: 4,542,324 →
Application: 06/451,368 →
Power Factor Correction for Variable Speed Drive
Patent: 4,467,258 →
Application: 06/451,695 →
Cross-Linking System for Water Based Well Fracturing Fluids
Patent: 4,514,309 →
Application: 06/453,051 →
Borehole Conditioning Apparatus
Patent: 4,557,339 →
Application: 06/454,591 →
Self-Energizing Locking Mechanism
Patent: 4,469,172 →
Application: 06/462,581 →
Braidless Perforated Cable
Patent: 4,472,598 →
Application: 06/488,954 →
Wellhead Stabilization
Patent: 4,499,950 →
Application: 06/499,069 →
Casing Handling Equipment
Patent: 105,101 →
Application: 06/502,849 →
Method of Grouting Offshore Structures
Patent: 4,422,805 →
Application: 06/504,241 →
Fluid Loss Additive
Patent: 4,469,518 →
Application: 06/523,253 →
Retractable Stinger Purge Valve
Patent: 4,476,934 →
Application: 06/527,927 →
Anti-Rotation Motor Bearing
Patent: 4,513,215 →
Application: 06/538,646 →
Cold Set Cement Composition and Method
Patent: 4,482,379 →
Application: 06/538,647 →
Multiplex Submersible Pump Telemetry System
Patent: 4,631,536 →
Application: 06/541,939 →
Riser Union with Curved Seat
Patent: 4,502,543 →
Application: 06/554,741 →
Elevator/Spider with Improved Locking Mechanism
Patent: 4,579,379 →
Application: 06/569,811 →
Grooved Mechanical Face Seal
Patent: 4,491,331 →
Application: 06/578,985 →
Bellows Latching Mechanism for a Submersible Pump
Patent: 4,583,923 →
Application: 06/579,044 →
Toroidal Inductor for a Pressure Sensor in a Submersible Pump
Patent: 4,492,523 →
Application: 06/579,045 →
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 →
Elevator/Spider with Counterbalance
Patent: 4,550,942 →
Application: 06/588,188 →
Motor Bearing with Locking Pins
Patent: 4,521,708 →
Application: 06/589,810 →
Energized Seal for Upper Termination
Patent: 4,589,689 →
Application: 06/600,662 →
Matrix Control Cementing Slurry
Patent: 4,569,395 →
Application: 06/602,641 →
Interference Warning Device
Patent: 4,613,849 →
Application: 06/603,258 →
Motor Variable Frequency Drive
Patent: 4,491,778 →
Application: 06/604,445 →
Downhole Drilling Tool with Improved Swivel
Patent: 4,613,002 →
Application: 06/605,536 →
Apparatus and Method for Inserting Coiled Tubing
Patent: 4,621,403 →
Application: 06/611,648 →
Method of Reclaiming Electric Motor Laminations
Patent: 4,508,583 →
Application: 06/612,974 →
Viscosifier for Oil Base Drilling Fluids
Patent: 4,481,121 →
Application: 06/617,141 →
Through Tubing Progressing Cavity Pump
Patent: 4,592,427 →
Application: 06/622,330 →
Metal-To-Metal Seal Casing Hanger
Patent: 4,595,053 →
Application: 06/622,603 →
Continuous Flow Perforation Washing Tool and Method
Patent: 4,519,456 →
Application: 06/640,535 →
Submersible Chemical Injection Pump
Patent: 4,582,131 →
Application: 06/654,824 →
Subsea Well Submersible Pump Installation
Patent: 4,589,492 →
Application: 06/659,489 →
Thyristor Firing Circuit for Determining Phase Angle
Patent: 4,598,353 →
Application: 06/669,143 →
Upper Termination with Sliding Sleeve Seals
Patent: 4,592,426 →
Application: 06/679,787 →
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 →
Bi-Directional Self-Retaining Cylindrical Surface Seal
Patent: 4,616,857 →
Application: 06/702,853 →
Pressure Operated Test Valve
Patent: 4,577,692 →
Application: 06/707,914 →
Stand Jumping and Stabbing Guide Device and Method
Patent: 4,603,464 →
Application: 06/710,730 →
Power Tong and Jaw Apparatus
Patent: 4,572,036 →
Application: 06/718,203 →
Electrical Cable with Fabric Layer
Patent: 4,658,089 →
Application: 06/738,339 →
Subsea Hydraulic Coupling
Patent: 4,637,470 →
Application: 06/747,081 →
Integral Buoyant Riser
Patent: 4,648,747 →
Application: 06/748,786 →
Submersible Pump Pressure Detection Circuit
Patent: 4,631,535 →
Application: 06/751,824 →
Method of Fracturing a Subterranean Formation
Patent: 4,635,727 →
Application: 06/764,819 →
Metal Seal for a Tubular Connection
Patent: 4,641,841 →
Application: 06/769,051 →
Metal Casing Hanger Seal with Expansion Slots
Patent: 4,665,979 →
Application: 06/773,396 →
Casing Hanger Locking Device
Patent: 4,641,708 →
Application: 06/773,397 →
Rotating Coupling
Patent: 4,655,302 →
Application: 06/775,450 →
Subsea Well Template Levelling System
Patent: 4,674,920 →
Application: 06/778,598 →
Wellhead Connector Locking Mechanism
Patent: 4,619,324 →
Application: 06/787,203 →
Top Drive Drilling Apparatus with Improved Wrench Assembly
Patent: 4,589,503 →
Application: 06/788,668 →
Cable Splice Method Using Transition Rod
Patent: 4,610,737 →
Application: 06/789,204 →
Resistant Components for Submersible Pump Stages
Patent: 4,678,399 →
Application: 06/792,618 →
Method for Electroplating Helical Rotors
Patent: 4,650,549 →
Application: 06/795,575 →
Overcurrent Protection Circuit for Power Transistors
Patent: 4,680,664 →
Application: 06/806,873 →
Method and Means for Sealing Electrical Conductor Rods in a Tubular Housing
Patent: 4,691,430 →
Application: 06/809,355 →
Connector Housing
Patent: 4,641,717 →
Application: 06/813,804 →
Downhole Progressive Cavity Type Drilling Motor with Connectiong Rod
Patent: 4,679,638 →
Application: 06/814,335 →
Well Cementing Method Using an an/Amps Fluid Loss Additive Blend
Patent: 4,632,186 →
Application: 06/814,350 →
Moineau Type Gear Mechanism with Resilient Sleeve
Patent: 4,676,725 →
Application: 06/814,353 →
LOW VOLUME VaRIABLE RPM SUBMERSIBLE WELL PUMP
Patent: 4,678,404 →
Application: 06/822,358 →
Lifting Head
Patent: 4,647,099 →
Application: 06/826,032 →
Rotary Power Slips
Patent: 4,681,193 →
Application: 06/830,895 →
Torque Wrench
Patent: 4,696,206 →
Application: 06/850,313 →
Thrust Balancing Device for a Progressing Cavity Pump
Patent: 4,669,961 →
Application: 06/860,152 →
Top Head Drive Well Drilling Apparatus with Stabbing Guide
Patent: 4,667,752 →
Application: 06/874,818 →
Internal Nonrotating Tie-Back Connector
Patent: 4,681,166 →
Application: 06/897,431 →
External Tie-Back Connector
Patent: 4,699,215 →
Application: 06/897,567 →
Corrosion Inhibitor for Well Acidizing Treatments
Patent: 4,698,168 →
Application: 06/902,356 →
Subsea Well Electrical Coupling System
Patent: 4,707,041 →
Application: 06/941,476 →
Casing Hanger Running Tool
Patent: 4,712,621 →
Application: 06/943,278 →
Subsea Flowline Quick Disconnect Coupling
Patent: 4,721,132 →
Application: 07/011,163 →
Universal Floor Mounted Pipe Handling Machine
Patent: 4,715,761 →
Application: 07/021,618 →
Pipe Handling Apparatus and Method
Patent: 4,791,997 →
Application: 07/142,105 →
Related Assignments (13)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name Nov 10, 1980
From: CENTRILIFT, INC.
To: CENTRILIFT-HUGHES, INC.
Reel/Frame 003805/0843 →
Change of Name Nov 10, 1980
From: OIL BASE, INC.
To: OBI-HUGHES, INC.
Reel/Frame 003805/0851 →
Conditional Assignment Jul 14, 1981
From: BORG-WARNER CORPORATION, A DE CORP.
To: CENTRILIFT-HUGHES, INC., A CORP. OF DE
Reel/Frame 003883/0580 →
Assignment of Assignors Interest. Oct 26, 1981
From: GROVER, JAMES R.
To: CENTRILIFT-HUGHES, INCORPORATED
Reel/Frame 003921/0945 →
Merger Effective Date 12/31/81 State of Incorp. Del. Feb 24, 1982
From: OBI HUGHES INC.
To: HUGHES TOOL COMPANY
Reel/Frame 003960/0771 →
Change of Name Effective Date 8-26-80 Feb 24, 1982
From: OIL BASE, INC.
To: OBI-HUGHES, INC.,
Reel/Frame 003960/0777 →
Change of Name Effective Date 12/22/81 Mar 15, 1982
From: REGAN OFFSHORE INTERNATIONAL,INC.
To: HUGHES TOOL COMPANY
Reel/Frame 003957/0735 →
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 a Part of Assignors Interest Apr 25, 1983
From: CEBTRILIFT-HUGHES INC.
To: HUGHES TOOL COMPANY
Reel/Frame 004123/0711 →
Assignment of Assignors Interest. Aug 18, 1988
From: BAKER HUGHES INCORPORATED
To: HUGHES TOOL COMPANY-USA, A DE CORP.
Reel/Frame 004944/0763 →
Assignment of Assignors Interest. Jan 17, 1989
From: HUGHES TOOL CONPANY-USA
To: VARCO INTERNATIONAL, INC., A CA. CORP.
Reel/Frame 005013/0843 →
Security Interest Dec 5, 1989
From: VETCO GRAY INC.
To: CITIBANK, N.A., AS AGENT
Reel/Frame 005211/0237 →
Assignment of Assignors Interest. Sep 25, 1991
From: BAKER HUGHES INCORPORATED
To: BJ SERVICES COMPANY
Reel/Frame 005852/0291 →