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.
Patent No.:
Date of Patent:
Aug. 22, 2006
Filed:
Dec. 23, 2003
Applicants:
Marvin L. Holbert, Cochrane, CA;
James W. Haslett, Calgary, CA;
Robert E. Smallwood, Calgary, CA;
Frederick N. Trofimenkoff, Calgary, CA;
Inventors:
Marvin L. Holbert, Cochrane, CA;
James W. Haslett, Calgary, CA;
Robert E. Smallwood, Calgary, CA;
Frederick N. Trofimenkoff, Calgary, CA;
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An insulator for a subsurface signal transmitting apparatus. The insulator includes a housing, a mandrel axially disposed inside the housing, a first insulating material disposed between the housing and the mandrel, a first sleeve formed of a second insulating material disposed between the housing and a first tubular member and the first tubular member coupled to the mandrel.