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:
Jul. 29, 2014
Filed:
May. 03, 2010
Brooks A. Childers, Christiansburg, VA (US);
Robert M Harman, Troutville, VA (US);
Daniel S. Homa, Blacksburg, VA (US);
Lance A. Beckner, Roanoke, VA (US);
Brooks A. Childers, Christiansburg, VA (US);
Robert M Harman, Troutville, VA (US);
Daniel S. Homa, Blacksburg, VA (US);
Lance A. Beckner, Roanoke, VA (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An apparatus for estimating a property includes a hollow core tube and an input light guide disposed at least partially within hollow core tube. The apparatus also includes a second gap disposed within the hollow core tube and separated from the input light guide by an air gap width. The second gap is formed of a first solid material and has a second gap width. The apparatus also includes a third gap disposed at least partially within the hollow core tube and being further from the input light guide than the second gap. The third gap is formed of a second solid material and has a third gap width.