ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,275, issued on April 21, was assigned to FISHER CONTROLS INTERNATIONAL LLC (Marshalltown, Iowa).

"Valve bodies having wear resistant inner cores" was invented by Cherra Meloy (Marshalltown, Iowa) and James Acton (Roseau, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example valve bodies having resistant inner cores are disclosed herein. An example method includes forming a monolithic inner core of a valve body using a first material. The monolithic inner core defines a flow path of the valve body. The monolithic inner core has a thickness that varies between a first wetted portion of the flow path and a second wetted portion of the flow path...