Patent
   D425525
Priority
Mar 10 1998
Filed
Mar 10 1998
Issued
May 23 2000
Expiry
May 23 2014
Assg.orig
Entity
unknown
5
3
n/a
The ornamental design for insert for variable bore ram blow out preventor, as shown and described.

FIG. 1 is a right view of the insert;

FIG. 2 is a left view of the insert;

FIG. 3 is a bottom view of the insert;

FIG. 4 is a top view of the insert;

FIG. 5 is a front view of the insert; and

FIG. 6 is a back view of the insert;

FIG. 7 is a right side persective view of the insert; and,

FIG. 8 is a left side perspective view of the insert.

Wooten, Timothy

Patent Priority Assignee Title
8540017, Jul 19 2010 NATIONAL OILWELL VARCO, L P Method and system for sealing a wellbore
8544538, Jul 19 2010 NATIONAL OILWELL VARCO, L P System and method for sealing a wellbore
8844898, Mar 31 2009 National Oilwell Varco, L.P. Blowout preventer with ram socketing
8978751, Mar 09 2011 National Oilwell Varco, L.P. Method and apparatus for sealing a wellbore
D551672, Nov 05 2003 Krohne Messtechnik GmbH & Co. KG User interface for a computer display
Patent Priority Assignee Title
5011110, Aug 16 1990 VARCO SHAFFER, INC BOP seal with improved metal inserts
5064164, Aug 16 1990 VARCO SHAFFER, INC Bop seal with improved metal inserts
5833208, Sep 15 1997 Parker Intangibles LLC Inner seal for ram-type blowout preventer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 06 1998WOOTAN, TIMOTHYCOOPER CAMERON CORPORATION INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0090310526 pdf
Mar 10 1998Cooper Cameron Corporation, Inc.(assignment on the face of the patent)
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