Furnaces and foundry furnaces; furnace loading apparatus in the nature of tilters and vibrating charges, charge pushers, furnace hoppers being structural parts of furnaces; furnace supports being structural parts of furnaces; adjustable fitted furnace liners; furnace loading supports being structural parts of furnaces; refrigeration shipping containers; cooking grates adapted for ovens; apparatus for exchange of substances and heat for use in the generation of steam, for use in cooking, dryin...