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:
Aug. 30, 2022
Filed:
Oct. 10, 2014
Applicant:
R.w. Lyall & Company, Inc., Corona, CA (US);
Inventor:
William DeKeyser, Franklin, WI (US);
Assignee:
R.W. LYALL & COMPANY, INC., Corona, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 55/46 (2006.01); B08B 9/055 (2006.01); F16L 55/44 (2006.01);
U.S. Cl.
CPC ...
F16L 55/46 (2013.01); B08B 9/055 (2013.01); F16L 55/44 (2013.01);
Abstract
A vertical barrel of an internal diameter to receive a pig having a selected uncompressible diameter, a reducer to compress the pig to a compressed diameter and a fluid system to introduce fluid pressure into the upper end of the barrel to drive the pig through the reducer.