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:
Dec. 30, 2003
Filed:
Aug. 17, 2001
Allen Kent Rives, Houston, TX (US);
Other;
Abstract
An underreamer ( ) is formed from a tubular body ( ) having a longitudinal bore therethrough, and providing an integral piston actuator ( ) responsive to hydraulic pressure to move cutters ( ) into engagement with the well bore and springs ( ) to resist premature engagement of the cutter arms ( ) and to return the cutters ( ) to the body upon conclusion of the underreaming job. Skewed longitudinal grooves ( ) are formed in the tubular body thereby permitting the flowpath through the underreamer to provide substantially the same inner diameter throughout the tool ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile