Today in 1994, US Patent 5282413 A was issued, an invention of Rene Sauvage, James Roget, Jean Amstutz, and Guy Flament, for their “Installation for Steeping Grains.” Here’s the Abstract:

Installation for steeping grains of the type comprising a tank (1) provided with a cylindrical lateral wall (2), with a bottom (3) and with a perforated platform (11) disposed at a certain distance from the bottom (3) and on which the grain rests in a layer of suitable thickness, the upper surface of this layer of grains being able to be levelled by a rotary system with raking arms (6) carrying blades and associated with a first motor (9) capable of rotating them, a second motor (10) being coupled to the system in order to make it vertically movable. This installation comprises removable connection making it possible to connect, mechanically and temporarily, the perforated platform (11) to the system with raking arms (6) and blades or directly to the second motor (10).