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:
Feb. 08, 2000
Filed:
Mar. 03, 1998
Applicant:
Inventors:
William R Bath, Cypress, TX (US);
Charles R Yemington, Houston, TX (US);
Assignee:
Sonsub International, Inc,, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; F16L / ; F16L / ;
U.S. Cl.
CPC ...
134-8 ; 134 18 ; 134 2211 ; 15-35 ; 1510405 ; 15104062 ;
Abstract
A method for sensing and launching pipeline pigs into a pipeline. The method includes pressurizing a pressure accumulator in a pig launching system that includes a pig chamber, a plurality of pigs, a launch tube, and the pressure accumulator. The method further includes sensing a pressure within the pipeline and applying pressure from the pressure accumulator to force a pig through the launch tube and into the pipeline.