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:
Mar. 31, 2009
Filed:
Jan. 26, 2006
Applicants:
Stephane Vannuffelen, Tokyo, JP;
Kentaro Indo, Machida, JP;
Toru Terabayashi, Sagamihara, JP;
Tsutomu Yamate, Yokohama, JP;
Inventors:
Stephane Vannuffelen, Tokyo, JP;
Kentaro Indo, Machida, JP;
Toru Terabayashi, Sagamihara, JP;
Tsutomu Yamate, Yokohama, JP;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Spectral analysis system for downhole applications is provided utilizing an inorganic replica-type grating that is configured to operate as a diffractive element that provides broad spectral coverage in high temperature downhole environments.