US Patent Issued to Airbus Operations on May 6 for "Aircraft drainage valve, tool for checking the correct operation of said drainage valve and method for checking the operation of said drainage valve using said checking tool" (French Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,137, issued on May 6, was assigned to Airbus Operations SAS (Toulouse, France).

"Aircraft drainage valve, tool for checking the correct operation of said drainage valve and method for checking the operation of said drainage valve using said checking tool" was invented by Vincent Delpy (Toulouse, France) and Gerard Millet (Toulouse, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drainage valve comprising a through hole, a seat around the through hole, a shutter comprising an end face and movable in a longitudinal direction between a first position in which the end face of the shutter is away from the seat and a second position in which the e...