US Patent Issued to TEXAS RESEARCH INTERNATIONAL on Sept. 9 for "Multilayer bolthole nondestructive inspection (NDI)" (Texas Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,113, issued on Sept. 9, was assigned to TEXAS RESEARCH INTERNATIONAL INC. (Austin, Texas).

"Multilayer bolthole nondestructive inspection (NDI)" was invented by John Nagel (Austin, Texas), Mark Warchol (Austin, Texas), David Forsyth (Austin, Texas) and Ajay Shah (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The use of nondestructive inspection (NDI) capabilities for the detection of fatigue cracks extending from fastener holes in multi-layered metallic structures without removing the fastener; including at least the use of a probe guide containing a UT sensor and either an inertial measurement unit (IMU) or a rotary encoder, and eit...