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:
Sep. 19, 2006
Filed:
Sep. 12, 2003
Applicants:
Peter Ellington, Kintore, GB;
Iain Cameron Macaulay, Aberdeen, GB;
Inventors:
Peter Ellington, Kintore, GB;
Iain Cameron Macaulay, Aberdeen, GB;
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An expandable tubular coupling () includes first and second thread portions () each comprising a plurality of inter-engaging teeth (), wherein at least one tooth on the first thread portion () engages a corresponding tooth on the second thread portion () and the remainder of said inter-engaging teeth () define respective gaps () therebetween.
Ellington, Peter. (2006). Expandable coupling (U.S. Patent No. 7107663). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7107663
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile