US Patent Issued to FlexSteel USA on Oct. 21 for "Pipe-in-pipe outer pipeline sealing systems and methods" (Texas Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,080, issued on Oct. 21, was assigned to FlexSteel USA LLC (Houston).

"Pipe-in-pipe outer pipeline sealing systems and methods" was invented by David Michael Gregory (Houston) and Matthew Allen Hegler (Kingwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for implementing and/or operating a system that includes an outer pipeline, an inner pipeline, and an outer pipeline sealing mechanism. The outer pipeline includes an outer pipe fitting to be secured to an end of an outer pipe segment. The inner pipeline includes an inner pipe fitting to be secured to another end of an inner pipe segment. The outer pipeline sealing mechanism incl...