ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,247, issued on March 4, was assigned to PEIKKO GROUP OY (Lahti, Finland).
"Steel beam" was invented by Jonas Hog (Odense S, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A steel beam including a base plate, two web plates extending from the base plate, and an end plate of each end of the steel beam, wherein the base plate, the two web plates, the first end plates delimit a space configured to be filled at least partly with hardening material such as concrete. The steel beam includes a fill space at at least one of the ends of the steel beam. The fill space being limited by a fill space housing configured to separate the fill space from the ...