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. 03, 2002
Filed:
Oct. 09, 2001
Applicant:
Inventor:
William N. Schoeffler, Lafayette, LA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 3/408 ;
U.S. Cl.
CPC ...
E21B 3/408 ;
Abstract
The by-pass valve has a selective control already available to control the movement of a piston which is part of the main stream by-pass valve which diverts fluid from the pipe string bore to ports in the outer wall for projection of the fluid stream into a well.
Schoeffler, William. (2002). By-pass valve (U.S. Patent No. 6488092). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6488092
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile