ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,870, issued on June 24.
"Smooth transient excursion non-resonant (STEN-R) damper" was invented by John Kevin Stenard (St. Petersburg, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for an extensible and compressible friction-based damper which selectively resists stroking in a first direction while freely sliding in the opposite direction. Resistance is proportional to an adjustable and pre-settable value, which provides and adjustable static-hold capability. Sliding resistance being substantially independent of the relative position, velocity, acceleration or jerk (d3x/dt3) imposed upon it. Dampers according to the present disclosure ...