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 |
| 6805298 | Modular cementitous thermal panels for radiant heating A hydronic thermal heating panel made of cementitious material. The panel is made of Portland cement or any other cement that cures to a stony like hardness. The cement may include sand and reinforcing fibers, such as glass, polymer, or wood fibers. Like other hydro... | 10/19/2004 |
| 6676027 | Heater for aircraft cockpit An aircraft cockpit heater in the form of a floor mat is disclosed. The heating element of the heater is designed so that no portion of the heating element will heat to a temperature above a predetermined threshold, said threshold well below the temperatu... | 01/13/2004 |
| 4724898 | System for the air-conditioning of the interior of a motor vehicle A system for the air-conditioning of the interior of a motor vehicle having an engine cooling circuit is provided which has a water/air heat exchanger and a water/water heat exchanger connected in series in the engine cooling circuit. The water/air heat e... | 02/16/1988 |
| 4653729 | Foot warmer for use in car The present invention provides a foot warmer for use in a car which is located at the floor of the car, the foot-warmer comprises a concave groove formed in a meandering form on one surface of a heat insulating material; a heat radiating sheet connected t... | 03/31/1987 |
