ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,867, issued on May 13, was assigned to Delta Thermal Inc. (Tucson, Ariz.).
"Automated on-wheel thermography for safety and prevention" was invented by Andrew Griffis (Tucson, Ariz.), Michael Snyder (Tucson, Ariz.), Nicholas Griffis (Tucson, Ariz.) and Jacob Dorer (Tucson, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A comprehensive system designed for the predictive maintenance of railcar wheel bearings, integrating multiple sensor modalities. The system includes thermography for temperature mapping, vibration analysis via a three-axis accelerometer, rotational velocity measurement using a rate gyro, and optical spectrometry for lubricant an...