ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,424, issued on Dec. 2, was assigned to HOLDING RITLENG (Rohr, France).
"Bladed grinder for plaster recycling" was invented by Jean-Luc Ritleng (Rohr, France), Geoffrey Ritleng (Rohr, France) and Arnaud Ritleng (Rohr, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a bladed grinder (20) for plaster waste, comprising a frame (10) comprising a support for a rotating shaft, comprising a main rotating shaft (30) comprising a plurality of vanes (40) radially attached on the main rotating shaft (30), comprising a system for rotating the main rotating shaft (30), comprising at least one inlet opening (60) for introducing waste comprising p...