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:
May. 12, 2015
Filed:
Oct. 28, 2011
Applicants:
Charles Edward Higham Tyrrell, Houston, TX (US);
John Michael Ward, Katy, TX (US);
Inventors:
Charles Edward Higham Tyrrell, Houston, TX (US);
John Michael Ward, Katy, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/46 (2006.01);
U.S. Cl.
CPC ...
F16L 55/46 (2013.01);
Abstract
A pig launching system comprising a pipe loop comprising a first end and a second end; a pig shuttle connected to the first end and the second end; a first opening in the pig shuttle aligned with the first end of the pipe loop; a second opening in the pig shuttle aligned with the second end of the pipe loop; and a slot within the pig shuttle movable between the first opening and the second opening.