US Patent Issued to Fisher Controls International on April 7 for "Apparatus for noise reduction in valves" (Iowa Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,864, issued on April 7, was assigned to Fisher Controls International LLC (Marshalltown, Iowa).

"Apparatus for noise reduction in valves" was invented by Thomas N. Gabriel (Marshalltown, Iowa) and Jonathan W. Richardson (Marshalltown, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example valve includes a valve body defining a fluid passageway between an inlet and an outlet, a plug, and a cage in the fluid passageway. The plug is disposed in the cage. The plug is moveable in the cage to control fluid flow through the fluid passageway. The cage includes an inner wall having first openings, an outer wall having second openings, the outer wall ...