ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,995, issued on Nov. 18, was assigned to BODE-DIE TUR GMBH (Kassel, Germany).
"Active sealing/locking using the constriction principle" was invented by Diako Rasekhi (Kassel, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing system for an opening in a wall surface includes a wall surface with an opening, having a circumferential inner surface, a leaf adapted to the geometry of the opening to be inserted into the opening and closed, wherein a circumferential outer surface of the leaf is arranged facing the inner surface of the opening in the closed state. A sealing device is formed by a first sealing element arranged in the inner surfac...