ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,736, issued on July 15, was assigned to MECO SA (Grenchen, Switzerland).
"Pressure-relief valve for a watch" was invented by Remy Thiry (Les Breseux, France), Samuel Geiser (Bienne, Switzerland) and Herve Avril (Grenchen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure-relief valve (1) including: a tube (2) intended to be fastened to a watch case, a recessed head (3) mounted movable in rotation and in translation about and along the axis of the tube (2), the head (3) being able to adopt a first axial position where a gas flow could be performed between the inside and the outside of the watch case and a second axial position whe...