ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,746, issued on Oct. 7, was assigned to TETRA LAVAL HOLDINGS & FINANCE S.A. (Pully, Switzerland).
"Rail-guided wagon" was invented by Richard Persson (Haljarp, Sweden), Erland Annerfeldt (Horby, Sweden) and Mats Eriksson (Dalby, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail-guided wagon for transporting a carrier carrying a package in a form and seal machine is provided. The wagon comprises: a set of spaced-apart wheels to be distributed on each side of the rail, wherein a first subset of the wheels to be arranged on a first side of the rail is spring-biased towards a second subset of the wheels to be arranged on an opposite side of the...