US Patent Issued to Rohr on Sept. 23 for "Systems and methods for selective needling of fibrous preforms for shape-forming" (California Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,637, issued on Sept. 23, was assigned to Rohr Inc. (Chula Vista, Calif.).

"Systems and methods for selective needling of fibrous preforms for shape-forming" was invented by Vijay V. Pujar (San Diego), Katherine E. Waugh (San Diego) and Christopher C. Koroly (Spring Valley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for selective needling on a fibrous preform includes performing a through thickness reinforcement process on the fibrous preform and varying a needle density, a needle angle, and/or a needle penetrating depth during the through thickness reinforcement process such that a first needle density, a first needle angle, and...