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:
Oct. 15, 2013
Filed:
Dec. 02, 2010
Daniel S. Homa, Blacksburg, VA (US);
Robert M. Harman, Troutville, VA (US);
Brooks A. Childers, Christianburg, VA (US);
Alexander M. Barry, Roanoke, VA (US);
Brian S. Lucas, Christianburg, VA (US);
Daniel S. Homa, Blacksburg, VA (US);
Robert M. Harman, Troutville, VA (US);
Brooks A. Childers, Christianburg, VA (US);
Alexander M. Barry, Roanoke, VA (US);
Brian S. Lucas, Christianburg, VA (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An apparatus for estimating a property, the apparatus includes: a hollow core tube having a first opening and a second opening; a first optical waveguide disposed within the first opening; and a second optical waveguide disposed within the second opening and spaced a distance from the first optical waveguide, the distance being related to the property; wherein a portion of at least one of the optical waveguides within the tube is perimetrically isolated from the tube.