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:
Apr. 22, 2008
Filed:
Nov. 02, 2005
Applicants:
Michael T. Sutherland, Calgary, CA;
Rishi Gurjar, Edmonton, CA;
Inventors:
Michael T. Sutherland, Calgary, CA;
Rishi Gurjar, Edmonton, CA;
Assignee:
Ryan Energy Technologies, Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrical isolation connector subassembly for interconnecting adjacent tubular drill rods of a drilling system used in drilling bore holes in earth formations, the connector comprising an electrically insulative sleeve being sandwiched between two electrically isolated subassembly components, the sleeve providing an exterior gap between the edges of the spaced apart electrically isolated components, the exterior gap having a width of less than 50 cm.