US Patent Issued to THE BOEING on April 29 for "Porosity detection for composite materials using inductive resonance" (Washington Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,272, issued on April 29, was assigned to THE BOEING COMPANY (Arlington, Va.).

"Porosity detection for composite materials using inductive resonance" was invented by Barry Allen Fetzer (Tukwila, Wash.) and Samuel Roy Goertz (Tukwila, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-destructive test apparatus includes a drive coil and a resonant coil in working relation to the drive coil. The non-destructive test apparatus includes a voltage source coupled to the drive coil. The voltage source is configured to apply an alternating current signal to the drive coil. The non-destructive test apparatus includes a sensor coupled to the resonant co...