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:
Mar. 25, 2025
Filed:
Jul. 16, 2024
Weldfit Llc, Houston, TX (US);
David Albertson, Skiatook, OK (US);
Brian Anderson, Tomball, TX (US);
Paul Hatch, Edmond, OK (US);
Ray Prater, Kiefer, OK (US);
Joaquin Reyes Espinosa, Sand Springs, OK (US);
Robert Niksich, Corpus Cristi, TX (US);
Timothy Irelan, League City, TX (US);
Brian Gresh, Tulsa, OK (US);
WELDFIT LLC, Houston, TX (US);
Abstract
The present disclosure provides a sealing plug assembly for stopping flow of a product in a pipe, the assembly having two sealing elements and having an isolation zone in the assembly which can be drained by a bleed lance to maintain pressure in the isolation zone within a safe limit. The present disclosure further provides sealing elements, bleed lances, systems, and methods of using the same. A benefit of the sealing plug assembly, and methods of using the same, can include forming safer seals during line stopping and the efficiency of recovering product.