Patent 11565893 was granted and assigned to Laitram (company) on January, 2023 by the United States Patent and Trademark Office.
A tray conveyor comprising ice-coated magnetic trays driven by a linear-motor stator along a rail track. The ice coating is applied to the trays to provide a product-bearing ice surface. After the product is processed and transferred off the tray, the top layer of the contaminated ice coating is removed and the tray with the remaining ice coating reused.