US Patent Issued to PSG Germany on Nov. 3 for "Low flow pressure check valve" (British Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,863, issued on Nov. 3, was assigned to PSG Germany GmbH (Duisburg, Germany).

"Low flow pressure check valve" was invented by Paul Hayes-Pankhurst (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems include a check valve including a valve body formed from a resilient material, the valve body having an inlet side and an outlet side. The valve body includes a rim forming an outer periphery of the valve body, and a hinge section comprising an annular groove formed on the inlet side of the valve body radially inward of and adjacent to the rim. The valve body also includes a plurality of lips formed at a center of the valve body by o...