ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,540, issued on March 25, was assigned to HYDAC FILTERTECHNIK GMBH (Sulzbach/Saar, Germany).
"Filter element" was invented by Harald Mees (Lebach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter element has a filter mat web (10) with free, mutually adjacent web ends (12) joined along a joint (16) forming a hollow body. The joint (16) is made of at least one connecting part (18), which is provided with groove-shaped receiving channels (20, 22. Each of the receiving channels is used to receive one web end (12) of the filter mat (10)."
The patent was filed on July 27, 2021, under Application No. 17/909,818.
*For further information, i...