ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,990, issued on Oct. 28, was assigned to SPECIAL SPRINGS S.R.L. (Romano d'Ezzelino, Italy).
"Gas spring" was invented by Francesco Bordin (Romano d'Ezzelino, Italy), Massimo Fiorese (Romano d'Ezzelino, Italy) and Mattia Todesco (Romano d'Ezzelino, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas spring comprising: a cup-shaped body; a movable piston which is inserted in an axially slidable manner in the cup-shaped body and is coupled to the cup-shaped body in a fluid-tight manner, so as to delimit a variable-volume closed chamber adapted to contain a pressurised gas; and a safety plug provided with a shank which extends in pass-through mann...