Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7089887 | Water wall fit up tool The water wall fit up tool will fit a wide range of tube panel sizes such as ⅞ inch through 3¼ inch tube sizes. It uses the adjacent tubes to force the tube panel into alignment. One unit can fit up two tubes yet can be used in conjunction with two or more tools.... | 08/15/2006 |
| 6637379 | Accelerated water evaporation system A liquid to gas converter to convert liquids (1) to gas (2) that can include a liquid pressurization element (3), a liquid preheating element (5), and a nozzle (10) to disperse liquids into energy (7) generated by an energy source (8). The gas to liquid c... | 10/28/2003 |
| 5437248 | Fire tube boiler A fire tube boiler having a combustion chamber equipped with a burner, and a group of fire tubes provided adjacent to the combustion chamber. The fire tube boiler further includes a heat exchanger disposed in the combustion chamber and serving for heat ex... | 08/01/1995 |
| 4756278 | Device for attachment of a tube bundle, especially for a steam generator Device for attachment of a bundle of tubes (3) coiled into a helix according to several cylindrical coaxial layers, comprising longitudinal rods (4) provided with concave cylindrical recesses (16) for receiving each tube portion (3) corresponding to the s... | 07/12/1988 |
| 4424024 | Bulk curing with solid fuel Apparatus for bulk curing tobacco comprising a barn having a heat exchanger therein defining interior flow paths for heated water and exterior heat exchange surfaces disposed within the curing air flow path within the barn, hot water storage tank unit, a ... | 01/03/1984 |
