Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 5669955 | Process for producing pig iron from iron ores, and applicance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process A process for producing pig iron from iron ores involves the iron ores traveling from the top downwards through a reduction unit via a succession of oblique trays which are staggered in a cascade-like manner. A hot reduction gas containing carbon monoxide... | 09/23/1997 |
| 4389247 | Metal recovery process A process for recovering a metal in its elemental state from an oxide or salt of the metal comprising passing the metal oxide or salt and a reducing gas concurrently downward through a packed bed at a temperature above the melting point of the metal in it... | 06/21/1983 |
| 4034969 | Oxidation roasting of ore The roasting temperature of ore, such as sulfide concentrate, is controlled by feeding water and air under pressure to at least one spray nozzle located relative to a roasting zone containing the ore, means being employed for selectively varying the ratio... | 07/12/1977 |
