ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,784, issued on Oct. 14, was assigned to Metso Finland Oy (Espoo, Finland).
"Filter plate subframe" was invented by Mirva Mustakangas (Pirkkala, Finland), Ismo Juvonen (Rauha, Finland), Janne Kaipainen (Halsua, Finland), Teemu Eloranta (Luumaki, Finland), Mika Illi (Vantaa, Finland) and Kari Vanttinen (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter plate subframe for a filter plate frame assembly having a filter plate frame and a filter plate subframe slidably receivable therein. The subframe comprises separate periphery segments attached to each other so as to form a continuous, generally rectangular periphery region with fla...