US Patent Issued to Baldwin Filters on March 25 for "Heat activated adhesive for filters that may contain multiple elements" (Nebraska, Tennessee Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,536, issued on March 25, was assigned to Baldwin Filters Inc. (Cleveland).

"Heat activated adhesive for filters that may contain multiple elements" was invented by Farrell F. Calcaterra (Kearney, Neb.), Charles Wick (Pleasanton, Neb.), Simon Ritchie (Kearney, Neb.) and David Duryea (Franklin, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter element comprises one or more several tubular filter media element segments, which may be pleated filter media ring segments. One or more heat activated disks are used to connect each tubular filter media element segments together and/or to connect tubular filter media element segments with one or m...