ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,455, issued on Sept. 30, was assigned to Staubli Hamburg GmbH (Norderstedt, Germany).

"Filter arrangement and half coupling element comprising a filter arrangement" was invented by Hauke Peter Hamkens (Oldenswort, Germany), Eugen Schwarz (Hamburg, Germany) and David Worseg (Henstedt-Ulzburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter arrangement has a first body member with a first axial front surface and a first radial sealing surface, a second body member with a second axial front surface and a second radial sealing surface, a contact portion and an elastic contact element. The first and second body members complementarily co...