US Patent Issued to Strata Products Worldwide on Feb. 25 for "Apparatus for controlling yield performance of props for roofs, and methods" (Pennsylvania Inventor)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,645, issued on Feb. 25, was assigned to Strata Products Worldwide LLC (Sandy Springs, Ga.).

"Apparatus for controlling yield performance of props for roofs, and methods" was invented by Christopher J. Brown (Acme, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The technology provides increased capability and control over the yield performance of the timber prop, a mine roof support. The new Wedge Prop design includes a cut pattern idealized for the specific wood species used in manufacturing and a set of confinement rings varying in strength due to different failure mechanisms. The cut pattern is based on the diameter of the yellow poplar pole, ...