ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,028, issued on July 21, was assigned to PERI SE (Weissenhorn, Germany).
"Formwork panel" was invented by Wilfried Haeberle (Langenau, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A formwork panel, comprising a frame on the front side of which a formwork shell can be fixed. The frame has a plurality of longitudinal struts and a plurality of transverse struts running plane-parallel to one another. The longitudinal struts and the transverse struts are arranged substantially perpendicular to one another. Between at least two transverse struts running adjacent to one another, there is arranged at least one bridging element having an arc-shaped ...