US Patent Issued to H-P PRODUCTS on March 25 for "Vacuum inlet valve assembly with sliding pins" (Ohio Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,886, issued on March 25, was assigned to H-P PRODUCTS INC. (Louisville, Ohio).

"Vacuum inlet valve assembly with sliding pins" was invented by Darrell V. Nieschwitz (Louisville, Ohio), Greg A. Calderone (Canton, Ohio) and Shawn C. Metz (Louisville, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A locking sleeve for connection with a valve box assembly of a central vacuum system includes, a first end adapted to couple to a wall of a valve box assembly, a second end opposite the first end, a central vertical axis between the first end and the second end, a first side adapted to be adjacent to a rear wall of a valve box assembly, a second side op...