ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,753, issued on Nov. 25, was assigned to ROCKWOOL A/S (Hedehusene, Denmark).
"Rotor" was invented by Jens Jorren Sorensen (Hedehusene, Denmark) and Gorm Rosenberg (Hedehusene, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for a fiberising apparatus includes a rotor housing; a first and second bearing assembly, wherein each bearing assembly has at least two ball bearings, each seated in a respective bearing seat; a substantially horizontal shaft rotatably mounted between the first bearing assembly and the second bearing assembly; and a plurality of resilient dampers arranged in an annular ring, wherein each resilient damper is releasa...