ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,004, issued on June 23.
"Multi-mode piston: a chemical engineering building block" was invented by Gideon Samid (Rockville, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposing a versatile apparatus that can be adapted to carry out most fluid handling operations practiced in industrial chemistry. It comprises a capsule in which a piston is moving from side to side while rotating; the piston having a set of holes to control fluid passage through a proper dynamics for opening and closing these holes. Used for in pipe pumping, pipe-reactors and pipe-separators, serving as a "Lego-like" building block to represent a large variety of full-fledged...