ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,952, issued on Sept. 8, was assigned to United States Pipe and Foundry Co. LLC (Birmingham, Ala.).
"Measurement method and apparatus" was invented by Kenneth J. Watts (Alpine, Ala.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method of measuring the inside surface of an object such as a pipe. The method includes capturing an image of the three dimensional interior pipe including an array of points of light projected by lasers from a mount positioned within the pipe, coplanar with the surface to be measured. The image is converted to a two dimensional array and analyzed to determine the dimensions of the interior surface of the pip...