US Patent Issued to Leanfil on Nov. 25 for "Filter assembly, filter bag and method of replacing a filter bag" (Finnish Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,911, issued on Nov. 25, was assigned to Leanfil Oy (Vantaa, Finland).

"Filter assembly, filter bag and method of replacing a filter bag" was invented by Samu Pori (Vantaa, Finland), Heikki Pori (Vantaa, Finland) and Tommi Lustig (Vantaa, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a filter assembly (16) comprising a frame (6) comprising a frame part (6.1) having a top side (7a), a bottom side (7d), inner edges (7c) defining an aperture (26) and outer edges (7b) forming an outer perimeter of the frame part (6.1), and a bag-like insert (11) comprising filter material and having an open upper portion (14) and at lea...