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:
Jan. 07, 2003
Filed:
Feb. 07, 2001
Applicant:
Inventors:
Christophe M. Rayssiguier, Houston, TX (US);
Vong Vongphakdy, Cypress, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/410 ;
U.S. Cl.
CPC ...
E21B 3/410 ;
Abstract
The present invention provides a hydraulic actuator adapted for use in downhole well applications that enables control of several hydraulic devices from a single control line.
Quick Actions:
Rayssiguier, Christophe. (2003). Hydraulic actuator (U.S. Patent No. 6502640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6502640
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