ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,349, issued on Sept. 9, was assigned to DRAEGER SAFETY UK Ltd. (Blyth, Great Britain).
"Back plate for a breathing apparatus" was invented by Gordon Wrigley (Newcastle Upon Tyne, Great Britain) and Jason Allan (North Shields, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A back plate for a breathing apparatus comprises a back plate frame for supporting a cylinder of breathable gas; and a pressure reduction valve configured to receive breathing gas from a cylinder of breathable gas; and a resiliently deformable element configured to support the pressure reduction valve on the back plate frame so as to permit relative movement between ...