ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,301, issued on March 17.
"Resistance brake device for an exercise machine" was invented by Kenneth W Stearns (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exercise resistance device operably connected to reciprocating members of an exercise machines may include a closed fluid flow system enclosed in an inner housing. Reciprocal movement of the reciprocating members alternately rotates a drive gear and driven gear in clockwise and counterclockwise directions pumping fluid from a low pressure fluid passagewayway into a high pressure fluid passagewayway of the closed fluid flow system. A spool valve is movable to maintain a heat exchanger...