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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
4852611
Issue Dt:
08/01/1989
Application #:
07097490
Filing Dt:
09/16/1987
Inventors:
EDWIN R. KNERR, ROBERT HART, WILLIAM S. COWAN
Title:
WELLHEAD CONNECTION OF HYDRAULIC CONTROL LINES
Assignment: 1
Reel/Frame:
004789/0635Recorded: 10/22/1987Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
KNERR, EDWIN R.
Exec Dt:
10/02/1987
HART, ROBERT
Exec Dt:
10/02/1987
COWAN, WILLIAM S.
Exec Dt:
10/02/1987
Assignee:
NATIONAL OIL WELL (U.K.) LIMITED, TRAFALGAR HOUSE, 2 CHALKHILL ROAD, HAMMERSMITH, LONDON, W6 8DN, GREAT BRITAIN
UNITED KINGDOM
Correspondent:
ROYLANCE, ABRAMS, BERDO & GOODMAN
1225 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036-2680
Assignment: 2
Reel/Frame:
016446/0751Recorded: 04/14/2005Pages: 80
Conveyance:
ASSIGNMENT INCLUDED AS PART OF A SALES AGREEMENT
Assignor:
NATIONAL OILWELL
Exec Dt:
12/13/1993
Assignee:
KVAERNER NATIONAL, INC.
1255 N. POST OAK ROAD
HOUSTON, TEXAS 77055
Correspondent:
MATTHEW F. STEINHEIDER
750 BERING DRIVE
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:
006952/0753Recorded: 04/21/1994Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
NATIONAL OILWELL (U.K.) LTD.
Exec Dt:
01/31/1994
Assignee:
KVAERNER NATIONAL, INC.
1255 N. POST OAK ROAD
HOUSTON,, TEXAS 77055
Correspondent:
JOHN R. CASPERSON
BUSKOP LAW GROUP
1818 MEMORIAL
HOUSTON, TX 77007
Assignment: 4
Reel/Frame:
006952/0762Recorded: 04/21/1994Pages: 18
Conveyance:
RELEASE OF SECURITY INTEREST AND COLLATERAL REASSIGNMENT.
Assignor:
CITICORP USA, INC., AS U.S. COLLATERAL AGENT
Exec Dt:
01/31/1994
Assignee:
NATIONAL-OILWELL
5555 SAN FELIPE
HOUSTON,, TEXAS 77056
Correspondent:
JOHN R. CASPERSON
BUSKOP LAW GROUP
1818 MEMORIAL
HOUSTON, TX 77007
Assignment: 5
Reel/Frame:
016446/0597Recorded: 04/14/2005Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignors:
KVAERNER FSSL, INC.
Exec Dt:
12/29/1997
KVAERNER NATIONAL, INC.
Exec Dt:
12/29/1997
Assignee:
KVAERNER OILFIELD PRODUCTS, INC.
1255 N. POST OAK ROAD
HOUSTON, TEXAS 77055
Correspondent:
MATTHEW F. STEINHEIDER
750 BERING DRIVE
HOUSTON, TX 77057

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