IP Library › Assignment 006677/0420
Patent Assignment
Reel/Frame 006677/0420

Security Interest

Recorded: 1993-09-07 Pages: 50
Assignor
WEATHERFORD U.S., INC.
Executed: 1993-03-31
Assignee
TEXAS COMMERCE BANK NATIONAL ASSOICATION
712 MAIN ST. HOUSTON, TX 77002, TEXAS
Covered Properties (29)
Magnetic Casing Depth Marker
Patent: 4,244,424 →
Application: 06/024,523 →
Yield Strength Determination of Terromgnetic Materials
Patent: 4,335,352 →
Application: 06/102,790 →
Wax Control in Oil Wells Using a Thermal Syphon System
Patent: 4,328,865 →
Application: 06/177,398 →
Intermediate Weight Drill String Member
Patent: 4,460,202 →
Application: 06/210,479 →
Apparatus and Method for Inserting Flow Control Means into a Well Casing
Patent: 4,589,495 →
Application: 06/601,938 →
Reaming Tool
Patent: 4,618,009 →
Application: 06/638,700 →
Auto-Fill Flow Valve
Patent: 4,625,762 →
Application: 06/796,665 →
Cementing Plug
Patent: 4,706,747 →
Application: 06/801,521 →
Ball-Type Check Valve Assembly
Patent: 4,655,247 →
Application: 06/820,544 →
Stage Cementing Tool
Patent: 4,674,569 →
Application: 06/845,613 →
Cementing Plug
Patent: 4,756,365 →
Application: 06/903,818 →
Milling Tool
Patent: 4,717,290 →
Application: 06/942,979 →
Spring Bow, Centralizer, and Related Methods
Patent: 4,787,458 →
Application: 07/056,488 →
Method and Apparatus for Detecting the Density of Thickness and Drilling
Patent: 4,811,800 →
Application: 07/111,222 →
Reticulated Centralizing Apparatus
Patent: 4,794,986 →
Application: 07/126,193 →
Hydraulic Lock Alleviation Device, Well Cementing Stage Tool, and Related Methods
Patent: 4,842,062 →
Application: 07/152,934 →
Float Equipment Including Float Collars and Modular Plugs for Well Operations
Patent: 4,979,562 →
Application: 07/261,385 →
Ball-Type Check Valve
Patent: 4,945,947 →
Application: 07/357,121 →
Nozzle Effect Protectors, Centralizers, and Stabilizers and Related Methods
Patent: 4,984,633 →
Application: 07/424,092 →
Well Apparatuses and Anti-Rotation Device for Well Apparatuses
Patent: 5,025,858 →
Application: 07/517,925 →
Tong Load Cell Assembly
Patent: 5,245,877 →
Application: 07/668,199 →
Apparatus for Recovering a Wellhead
Patent: 5,146,989 →
Application: 07/671,812 →
Well Apparatuses and Anti-Rotation Device for Well Apparatuses
Patent: 5,113,940 →
Application: 07/700,622 →
Milling Tool
Patent: 5,181,564 →
Application: 07/774,048 →
Test Method and Apparatus for Bop Equipment
Patent: 5,195,361 →
Application: 07/797,682 →
Tong with Floating Jaws
Patent: 5,207,128 →
Application: 07/855,561 →
Self-Aligning Well Apparatuses and Anti-Rotation Device for Well Apparatuses
Patent: 5,246,069 →
Application: 07/856,098 →
Sealing Means for Endotracheal Tubes
Patent: 5,305,740 →
Application: 07/878,784 →
Method and Apparatus to Cut and Remove Casing
Patent: 5,253,710 →
Application: 07/951,305 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Aug 29, 1980
From: HALL EDWARD N.
To: CHROMALLOY AMERICAN CORPORATION, A CORP. OF DE
Reel/Frame 003794/0063 →
Assignment of Assignors Interest. Mar 25, 1982
From: STEPHEN, DAVID D.
To: HOMCO INTERNATIONAL INC., A CORP. OF DE.
Reel/Frame 003958/0813 →
Assignment of Assignors Interest. Jul 16, 1984
From: LANGER, FRIEDRICH H.; STRINGFELLOW, WILLIAM D.
To: WEATHERFORD U.S., INC.
Reel/Frame 004281/0600 →
Assignment of Assignors Interest. Nov 27, 1984
From: CHANCE, GLENN G.; KOVENSKY, WILLIAM
To: GRACE NATURAL RESOURCES CORP., A CORP. OF DE
Reel/Frame 004330/0201 →
Security Interest Aug 1, 1985
From: WEATHERFORD U.S. , INC.
To: FIRST CITY NATIONAL BANK OF HOUSTON, 1001 MAIN STREET, HOUSTON, TEXAS 77002, A NATIONAL BANKING ASSOCIATION OF TEXAS
Reel/Frame 004442/0268 →
Assignment of Assignors Interest. Nov 8, 1985
From: HASSANZADEH, HEDAYAT H.; MC CLUNG, GUY L. III
To: WEATHERFORD U.S., INC., A CORP. OF DE.
Reel/Frame 004487/0029 →
Assignment of Assignors Interest. Jan 27, 1986
From: SCHNEIDER, DAVID E.
To: WEATHERFORD U.S. , INC., A CORP. OF DE.
Reel/Frame 004504/0389 →
Assignment of Assignors Interest. Feb 12, 1986
From: WESTRA, LUBBERT; LIRETTE, BRENT J.
To: CHROMALLOY AMERICAN CORPORATION, A CORP OF DELAWARE
Reel/Frame 004515/0102 →
Assignment of Assignors Interest. Apr 14, 1986
From: REVILS, ERNEST A.; ARBONEAUX, EMMET J. III; LIRETTE, BRENT J.
To: CHROMALLOY AMERICAN CORPORATION, A CORP. OF DE.
Reel/Frame 004534/0244 →
Assignment of Assignors Interest. Jun 2, 1986
From: CARTER, THURMAN B.; REYNOLDS, CARL D.; MUNDORF, LARRY R.
To: HOMCO INTERNATIONAL, INC.
Reel/Frame 004555/0898 →
Assignment of Assignors Interest. Nov 27, 1987
From: LANGER, FRIEDRICH H.
To: WEATHERFORD U.S., INC., 1360 POST OAK BOULEVARD, STE. 1000, HOUSTON, TEXAS 77227 A CORP. OF DE.
Reel/Frame 004814/0704 →
Assignment of Assignors Interest. Feb 5, 1988
From: SCHNEIDER, DAVID E.; TIMMERMAN, TERRY D.
To: WEATHERFORD U.S., INC., A CORPORATION OF DELAWARE
Reel/Frame 004875/0191 →
Assignment of Assignors Interest. Oct 21, 1988
From: LANGER, FRIEDRICH H.
To: WEATHERFORD U.S., INC., A CORP. OF DE
Reel/Frame 004970/0355 →
Assignment of Assignors Interest. Jan 6, 1989
From: HILL, GUY J.; SMITH, HOMER G. JR.; SCHNITKER, MARK W.; BEATTY, GLENN E.
To: HOMCO INTERNATIONAL, INC., A CORP. OF DE
Reel/Frame 005007/0510 →
Assignment of Assignors Interest. May 26, 1989
From: WESTRA, LUBBERT; LIRETTE, BRENT
To: CHROMALLOY AMERICAN CORPORATION, A CORP. OF DE.
Reel/Frame 005086/0380 →
Assignment of Assignors Interest. Dec 14, 1989
From: LANGER, FRIEDRICH H.; WOODWARD, MICHAEL J.
To: WEATHERFORD U.S. INC., A CORP. OF DE
Reel/Frame 005195/0578 →
Change of Name Effective Date, June 7, 1989, De. Mar 5, 1990
From: GRACE NATURAL RESOURCES CORP., A CORP. OF DE.
To: GRACE ENERGY CORPORATION
Reel/Frame 005243/0278 →
Assignment of Assignors Interest. May 2, 1990
From: GLASER, MARK C.
To: WEATHERFORD U.S., INC., A CORP. OF TX
Reel/Frame 005298/0818 →
Released by Secured Party May 10, 1990
From: FIRST CITY, TEXAS-HOUSTON, N.A. (SUCESSOR TO FIRST CITY NATIONAL BANK OF HOUSTON N.A.)
To: WEATHERFORD U.S., INC.
Reel/Frame 005296/0388 →
Assignment of Assignors Interest. Mar 12, 1991
From: RUARK, GRAHAM M.
To: WEATHERFORD U.S., INC., A CORP OF DE
Reel/Frame 005632/0206 →
Assignment of Assignors Interest. Apr 2, 1991
From: ROUSE, GEOFFREY O.
To: HOMCO INTERNATIONAL INC.
Reel/Frame 005686/0650 →
Assignment of Assignors Interest. Sep 18, 1991
From: CHROMALLOY AMERICAN CORPORATION, A DE CORP.
To: SEQUA ENGINEERED SERVICES, INC., A WEST VIRGINIA CORP.
Reel/Frame 005853/0137 →
Assignment of Assignors Interest. Nov 21, 1991
From: GLASER, MARK C.
To: WEATHERFORD, U.S., INC. A CORPORATION OF DELAWARE
Reel/Frame 005921/0317 →
Assignment of Assignors Interest. Nov 25, 1991
From: WOOD, GARY R.; HUTCHINSON, CARL P.
To: PETRO EQUIPMENT TOOLS CO.
Reel/Frame 005924/0410 →
Assignment of Assignors Interest. Sep 21, 1992
From: LINDLEY, JOHN D.; MACKENZIE, COLIN R.; HALL, MARK E.
To: WEATHERFORD-PETCO, INC.
Reel/Frame 006276/0065 →