ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,381, issued on June 24, was assigned to ASK Chemicals GmbH (Hilden, Germany).
"Riser" was invented by Stefan Fischer (Mandelbachtal, Germany), Marcus Friederici (Zwickau, Germany), Imanol Ortiz (Bilboa, Spain), Udo Skerdi (Vallendar, Germany) and Ulrich Voigt (Leipzig, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a molding riser for casting metals, wherein the riser has a metal riser body. The invention also relates to the use of the riser for casting metals into separable casting molds, in particular horizontally separable casting molds."
The patent was filed on Oct. 12, 2022, under Application No. 18/709,300.
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