US Patent Issued to H-P PRODUCTS on Oct. 6 for "Central vacuum system and inlet valves therefor" (Ohio Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,587, issued on Oct. 6, was assigned to H-P PRODUCTS INC. (Louisville, Ohio).

"Central vacuum system and inlet valves therefor" 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 central vacuum cleaning system includes an inlet valve mounted at various locations in a structure or RV and connected to the inlet end of a vacuum conduit. A section of hose is slidably mounted within the conduit and extends from the inlet valve for cleaning an adjacent area. The hose includes a hose plug of cuff connected with a distal end of the hose...