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. 22, 2019
Filed:
May. 30, 2017
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Shigeo Daito, Yokohama, JP;
Takenori Motoki, Yokohama, JP;
Noriyuki Matsumoto, Yokohama, JP;
Martine Hori, Sagamihara, JP;
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 9/00 (2006.01); G01L 9/08 (2006.01); G01L 23/10 (2006.01);
U.S. Cl.
CPC ...
G01L 9/08 (2013.01); G01L 9/008 (2013.01); G01L 9/0022 (2013.01); G01L 9/0052 (2013.01); G01L 9/0058 (2013.01); G01L 23/10 (2013.01); G01L 2009/0066 (2013.01);
Abstract
A pressure transducer comprises a housing including a body section and at least one end cap at one end of the body section, which are made of piezoelectric crystal, and a piezoelectric resonator in the housing. The body section and the end cap are bonded by an atomic diffusion bonding method.