US Patent Issued to Insulation Technology on April 14 for "Instrument for testing the roundness of the inner wall of a pipe or other hollow cylinder" (Colorado Inventors)

Posted On: 2026-04-15

ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,128, issued on April 14, was assigned to Insulation Technology Corp. (Frederick, Colo.).

"Instrument for testing the roundness of the inner wall of a pipe or other hollow cylinder" was invented by Shawn Hurla (Platteville, Colo.), Ryan Dwyer (Thornton, Colo.) and Ray Lavallee (Mead, Colo.).

The patent was filed on Sept. 1, 2021, under Application No. D/806,227.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1122128&OS=D1122128&RS=D1122128

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US Patent Issued to Insulation Technology on April 14 for "Instrument for testing the roundness of the inner wall of a pipe or other hollow cylinder" (Colorado Inventors)