ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,098, issued on May 26, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Proportional fluid flow valve and methods of operating thereof" was invented by Srikanth Krishnamurthy (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Certain embodiments of the present disclosure relate to a fluid flow valve. The valve includes a housing configured to receive a flow of fluid. The valve further includes a diaphragm to actuate between a closed position and a plurality of open positions. The valve further includes a first valve portion configured to flow a first amount of fluid responsive to the diaphragm actuating to one or more firs...