The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 03, 2010

Filed:

Feb. 14, 2008
Applicants:

David William Dartford, Houston, TX (US);

Timothy Steven Williams, Fresno, TX (US);

George William Tisdale, Spring, TX (US);

Inventors:

David William Dartford, Houston, TX (US);

Timothy Steven Williams, Fresno, TX (US);

George William Tisdale, Spring, TX (US);

Assignee:

National Oilwell Varco, L.P., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A keel joint protector, which, in certain aspects, includes a body made of flexible material, a central open bore through the body, and the body having a plurality of spaced-apart energy management zones therein for diffusing a force applied to a particular part of the body. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 CFR 1.72(b).


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