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. 01, 2026
Filed:
Oct. 28, 2025
Applicant:
Weldfit Llc, Houston, TX (US);
Inventors:
Rick D. Pruett, Sapulpa, OK (US);
David W. Albertson, Skiatook, OK (US);
Gregory Joseph Drzewiecki, Woodstock, IL (US);
Assignee:
WELDFIT LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/40 (2006.01); F16L 101/10 (2006.01);
U.S. Cl.
CPC ...
F16L 55/40 (2013.01); F16L 2101/10 (2013.01);
Abstract
Devices or pigs for performing maintenance on a pipeline are disclosed herein as well as methods of driving the devices into a launch port of a device launcher. Benefits of the devices can include being able to load several devices into a device launcher and preventing or reducing instances of multiple devices accidentally being launched as one or more of the devices is moved toward the launch port of the device launcher.