US Patent Issued to TDW Delaware on July 15 for "Pipeline isolation tool with large-gap sealing element having mini pressure heads and iris-like structural sealing elements" (Oklahoma Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,762, issued on July 15, was assigned to TDW Delaware Inc. (Wilmington, Del.).

"Pipeline isolation tool with large-gap sealing element having mini pressure heads and iris-like structural sealing elements" was invented by Cody A. Parsley (Tulsa, Okla.), Jared Sickles (Tulsa, Okla.), Aaron M. Ritchie (Tulsa, Okla.) and Jack McCall (Owasso, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipeline isolation tool (10) with a circumferential seal (30) having a T-shaped cross section. The seal has a radially oriented lower seal profile (36) and an axially oriented upper seal profile (38). Pressure heads (40, 50) are located on either side (32, 34) of...