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:
Apr. 05, 2005
Filed:
Mar. 01, 2004
Rick D. Pruett, Kellyville, OK (US);
Rick D. Pruett, Kellyville, OK (US);
TDW Delaware, Inc., Wilmington, DE (US);
Abstract
A pipeline pig that is moved by pressurized gas flow and that provides for distribution of treating liquid subsisting in the lower portion of the pipeline, having a pig body with a nose cone at a foward end thereof, centralizers affixed to the pig body by which it is supported in the pipeline, a bypass passageway within the nose cone communicating with the pipeline interior, a siphon passageway within the nose cone communicating with a lower portion of the pipeline interior and therby with any liquid subsisting therein and having an outlet end, and a venturi in communication with the siphon passageway and the bypass passageway, gas flowing through the bypass passageway serving to draw liquid from the lower portion of the pipeline through the siphon passageway whereby the liquid is discharged form the siphon passageway outlet end onto ineterior surfaces of the pipeline.