IP Library › Assignment 006486/0856
Patent Assignment
Reel/Frame 006486/0856

Security Interest

Recorded: 1993-04-06 Pages: 47
Assignor
NATIONAL-OILWELL
Executed: 1993-03-22
Assignee
CITICORP USA, INC., AS COLLATERAL AGENT
399 PARK AVENUE, NEW YORK, NEW YORK, 10043
Covered Properties (91)
Suction Stabilizer for Reciprocating Pumps and Stabilizing Method
Patent: 4,032,265 →
Application: 05/489,971 →
Winch Spool with Disc Brake System
Patent: 3,964,692 →
Application: 05/548,669 →
Rope/Chain Sheave
Patent: 3,985,093 →
Application: 05/572,891 →
Buoyant Riser
Patent: 4,040,264 →
Application: 05/635,843 →
Control Valve
Patent: 4,137,933 →
Application: 05/768,040 →
Gate Valve Design
Patent: 4,146,209 →
Application: 05/858,671 →
Hanger Apparatus for Suspending Pipes
Patent: 4,167,970 →
Application: 05/915,829 →
Hanger Apparatus for Suspending Pipes
Patent: 4,167,971 →
Application: 05/915,830 →
Hanger Apparatus for Suspending Pipes
Patent: 4,181,331 →
Application: 05/915,902 →
Eccentric Shaft and Method of Making a Shaft
Patent: 4,231,671 →
Application: 05/958,458 →
Multiple Cup Downwell Gas Separator
Patent: 4,241,788 →
Application: 06/008,183 →
Articulated Deep Water Production System
Patent: 4,211,281 →
Application: 06/014,036 →
Method and Apparatus for Remote Installation and Servicing of Underwater Well Apparatus
Patent: 4,284,142 →
Application: 06/036,658 →
Bearing-Equipped Well Tool
Patent: 4,252,187 →
Application: 06/036,660 →
Remote Multiple String Well Completion
Patent: 4,262,748 →
Application: 06/067,733 →
Remote Multiple String Well Completion
Patent: 4,289,206 →
Application: 06/067,745 →
Hanger Apparatus for Suspending Pipes with Positive Retrieval Capability
Patent: 4,269,268 →
Application: 06/076,185 →
Underwater Well Installations and Handling String Joint Therefor
Patent: 4,340,117 →
Application: 06/120,044 →
Split Fastening Ring and Assemblies Employing Same
Patent: 4,317,587 →
Application: 06/120,045 →
Fastener and Devices in Which Load Supporting Members Are Secured Thereby
Patent: 4,319,773 →
Application: 06/120,046 →
Remotely Operated Coupling and Well Devices Employing Same
Patent: 4,298,064 →
Application: 06/120,047 →
Position Indicating Valves
Patent: 4,300,750 →
Application: 06/120,048 →
Latch Means for Well Tools and Components
Patent: 4,290,483 →
Application: 06/120,052 →
Method and Apparatus for Multiple Well Completion
Patent: 4,333,531 →
Application: 06/120,695 →
Tool for Remotely Determing the Position of a Device in an Underwater Well Assembly
Patent: 4,300,637 →
Application: 06/120,696 →
Method and Apparatus for Installing Multiple Pipe Strings in Underwater Wells
Patent: 4,298,067 →
Application: 06/120,851 →
Remotely Operated Underwater Tension Connector
Patent: 4,451,056 →
Application: 06/170,970 →
Remotely Releasable Connector
Patent: 4,429,902 →
Application: 06/188,584 →
Combination Connector and Flex Joint for Underwater Tension Elements
Patent: 4,432,670 →
Application: 06/192,739 →
Well Tool Orientation System with Remote Indicator
Patent: 4,319,637 →
Application: 06/204,938 →
Subsea Template Levelling System and Method
Patent: 4,408,932 →
Application: 06/221,398 →
Drilling Rig Drawworks Hook Load Overspeed Preventing System
Patent: 4,434,971 →
Application: 06/233,561 →
Well Devices with Annulus Check Valve and Hydraulic By-Pass
Patent: 4,449,583 →
Application: 06/304,078 →
Remotely Actuated Cutting Assembly for Broken Underwater Guidelines
Patent: 4,746,246 →
Application: 06/311,261 →
Weight-Set Pack-Off Unit
Patent: 4,421,164 →
Application: 06/316,395 →
Dual Ring Casing Hanger
Patent: 4,460,042 →
Application: 06/316,397 →
Method and Apparatus for Installing and Connecting Underwater Flowlines
Patent: 4,472,080 →
Application: 06/326,328 →
Multiple Flowline Connector
Patent: 4,490,073 →
Application: 06/326,329 →
Remotely Operated Valve
Patent: 4,422,618 →
Application: 06/326,331 →
Apparatus for Connecting Underwater Flowlines
Patent: 4,472,081 →
Application: 06/326,333 →
Diverless Subsea Template Levelling System and Method
Patent: 4,445,807 →
Application: 06/328,791 →
Remotely Operated Tool for Performing Functions Under Water
Patent: 4,443,130 →
Application: 06/330,671 →
Method and Apparatus for Deep Underwater Well Drilling and Completion
Patent: 4,427,072 →
Application: 06/380,910 →
Alloy Steel for Roll Caster Shell
Patent: 4,409,027 →
Application: 06/393,192 →
Apparatus for Connecting a Tension Member to an Under-Water Anchoring Base
Patent: 4,451,170 →
Application: 06/404,812 →
Improved Reciprocable Pump
Patent: 4,467,703 →
Application: 06/411,932 →
Releasable Guide Post Mount and Method for Recovering Guide Posts by Remote Operations
Patent: 4,439,068 →
Application: 06/422,091 →
Laterally Releasable Connection Between Outer Well Member and Template
Patent: 4,460,047 →
Application: 06/422,092 →
Subsea Well with Retrievable Piping Deck
Patent: 4,438,817 →
Application: 06/426,695 →
Method and Apparatus for Independent Support of Well Pipe Hangers
Patent: 4,550,782 →
Application: 06/446,995 →
Self-Compensating Oscillatory Pump Control
Patent: 4,534,706 →
Application: 06/468,341 →
Brake System
Patent: 4,522,450 →
Application: 06/489,116 →
Poppet Type Fluid Valve with Replaceable Wear Surface
Patent: 4,487,222 →
Application: 06/491,282 →
Jet Pump for Oil Wells
Patent: 4,504,195 →
Application: 06/506,000 →
Dual Ring Casing Hanger
Patent: 4,528,738 →
Application: 06/572,916 →
Oil Well Standing Valve
Patent: 4,519,457 →
Application: 06/580,684 →
Method and Apparatus for Remotely Cutting Broken Underwater Guidelines
Patent: 4,557,628 →
Application: 06/594,418 →
Hydraulic Disk Brake Having a Braking Torque-to-Hydraulic Force Converter
Patent: 4,627,519 →
Application: 06/594,795 →
Pedestal Crane Mounting System
Patent: 4,513,869 →
Application: 06/611,116 →
Reciprocating Pump Piston
Patent: 4,601,235 →
Application: 06/621,832 →
Well Derrick
Patent: 4,585,213 →
Application: 06/638,426 →
Boom Crane Centering
Patent: 4,653,271 →
Application: 06/655,215 →
Method and Apparatus for Sealing Between Two Concentric Members
Patent: 4,583,746 →
Application: 06/665,659 →
Load Recall Valve
Patent: 4,554,947 →
Application: 06/666,186 →
Carburized High Chrome Liner
Patent: 4,568,393 →
Application: 06/678,955 →
Overload Protection System for a Crane
Patent: 4,787,524 →
Application: 06/780,007 →
Well Pumping Unit
Patent: 4,651,578 →
Application: 06/864,240 →
Unitized Check Valve
Patent: 4,667,697 →
Application: 06/875,253 →
Well Pumping Unit
Patent: 4,703,665 →
Application: 06/921,578 →
Remotely Installing a Tubular String
Patent: 4,797,029 →
Application: 06/934,285 →
Wellhead Body Lockdown and Method for Engaging Same
Patent: 4,697,828 →
Application: 06/935,462 →
Rotary Drive Apparatus for Downhole Pump
Patent: 4,716,961 →
Application: 07/011,576 →
Power Tongs and Clamping Units Therefor
Patent: 4,732,061 →
Application: 07/023,384 →
Apparatus for Making and Breaking Threaded Well Pipe Connections
Patent: 4,843,945 →
Application: 07/023,385 →
Boom Crane Centering
Patent: 4,782,662 →
Application: 07/032,180 →
Fail-Safe Gate Valve with Separated Actuators
Patent: 4,809,733 →
Application: 07/041,269 →
Sub Assembly for a Swivel
Patent: 4,781,359 →
Application: 07/100,158 →
Active Counterbalance for a Power Swivel During Well Drilling
Patent: 4,813,498 →
Application: 07/163,580 →
Spring Actuated Power Swivel Support Rollers
Patent: 4,877,093 →
Application: 07/163,583 →
Support System for a Top Driven Drilling Unit
Patent: 4,809,792 →
Application: 07/163,584 →
Crossarm Valve Seat with Pulling Ledge
Patent: 4,928,726 →
Application: 07/212,936 →
Valve with Replaceable Seal Element
Patent: 4,922,957 →
Application: 07/321,157 →
Seal for a Pump Valve
Patent: 4,951,707 →
Application: 07/335,725 →
Positive Lock of a Drive Assembly
Patent: 4,981,180 →
Application: 07/379,765 →
Lubrication of a Centrifugal Pump Bearing
Patent: 5,051,007 →
Application: 07/415,841 →
Casing Suspension System
Application: 07/423,140 →
Connection Seal
Patent: 5,062,667 →
Application: 07/467,600 →
Apparatus for Supporting a Direct Drive Drilling Unit in a Position Offset from the Centerline of a Well
Patent: 5,038,871 →
Application: 07/538,634 →
Connector Assembly with Detachable Sleeve
Patent: 5,149,143 →
Application: 07/698,359 →
Casing Suspension System
Patent: 5,127,478 →
Application: 07/753,013 →
Guide Post Latching Mechanism
Patent: 5,246,075 →
Application: 07/817,230 →
Related Assignments (18)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Jan 21, 1988
From: VSI CORPORATION
To: FIGGIE INTERNATIONAL INC., A CORP. OF DE
Reel/Frame 004822/0665 →
Assignment of Assignors Interest. Oct 27, 1988
From: TRW INC., A CORP. OF OH
To: SANDVIK ROCK TOOLS, INC.
Reel/Frame 004967/0306 →
Assignment of Assignors Interest. Jan 11, 1989
From: FIGGIE INTERNATIONAL INC.
To: S-P MANUFACTURING CORPORATION, THE, A CORP. OF OHIO
Reel/Frame 005017/0972 →
Assignment of Assignors Interest. Jun 18, 1990
From: SANDVIK ROCK TOOLS, INC., A CORP OF DE
To: NATIONAL-OILWELL, A GENERAL PARTNERSHIP OF DE
Reel/Frame 005365/0292 →
Nonexclusive Patent License Nov 29, 1993
From: WHITE ROCK ENGINEERING, INC.
To: NATIONAL-OILWELL
Reel/Frame 006781/0662 →
Assignment of Assignor's Interest Nov 29, 1993
From: NATIONAL-OILWELL
To: WHITE ROCK ENGINEERING, INC.
Reel/Frame 006781/0514 →
Assignment of Assignor's Interest Apr 21, 1994
From: NATIONAL - OILWELL
To: KVAERNER NATIONAL, INC.
Reel/Frame 006952/0738 →
Release of Security Interest and Collateral Reassignment. Apr 21, 1994
From: CITICORP USA, INC., AS U.S. COLLATERAL AGENT
To: NATIONAL-OILWELL
Reel/Frame 006952/0762 →
Security Interest Aug 3, 1994
From: FIGGIE INTERNATIONAL INC. A DE CORP.
To: FIRST NATIONAL BANK OF BOSTON, AS COLLATERAL AGENT A NATIONAL BANKING ASSOCIATION
Reel/Frame 007072/0851 →
Release of Security Interest Mar 1, 1995
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 007453/0241 →
Security Interest Mar 7, 1995
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 007467/0232 →
Release of Security Interest Jan 24, 1996
From: NATIONAL-OILWELL
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 007613/0782 →
Patent Security Agreement Feb 5, 1996
From: NATIONAL-OILWELL, L.P.
To: GENERAL ELECTRIC CAPITAL CORPORATION (AS ADMINISTRATIVE AGENT)
Reel/Frame 007854/0582 →
Change of Name Sep 23, 1996
From: NATIONAL-OILWELL
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008146/0930 →
Patent Security Agreement Nov 12, 1996
From: NATIONAL-OILWELL, L.P.
To: GENERAL ELECTRIC CAPITAL CORPORATION (AS ADMINISTRATIVE AGENT)
Reel/Frame 008215/0485 →
Release and Termination of Patent Security Agreement Nov 14, 1997
From: GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINSTRATIVE AGENT
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008820/0157 →
Release and Termination of Patent Security Agreement Nov 14, 1997
From: GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008820/0098 →
Release of Patent Security Interest Jan 15, 1998
From: GENERAL ELECTRIC CAPITAL CORP.
To: NATIONAL-OILWELL, L.P.
Reel/Frame 008907/0847 →