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. 26, 2000
Filed:
Feb. 01, 1999
Applicant:
Inventors:
Benton F Baugh, Houston, TX (US);
Jim Bob Crawford, Lafayette, LA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
15104061 ;
Abstract
A pig for pumping thru pipelines for the cleaning of the pipelines which provides for fishing neck type profiles for remote attachment and removal in case of pipeline blockages, provides for the fishing neck type profiles to include valving which will allow communication between the ends of the pig to prevent hydraulic locking in the high pressure ambient condition of subsea pipelines, and provides for interconnection and operation of valving on each end of the pig.