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 |
| 6957696 | Combination radiant and forced air climate control system A method and controller for controlling the operation of a zoned climate control system including a primary heat source, a secondary heat source, a cooling unit, and a humidifier unit. The controller is configured to receive both heating demand signals and cooling d... | 10/25/2005 |
| 6789618 | Energy recycling air handling system An air handling system including at least one terminal unit for maintaining a serviced volume at a predetermined temperature below the temperature of the air supplied by the central source of the air handling system is provided through the use of a refrigerant means... | 09/14/2004 |
| 5344069 | Air conditioning apparatus for distributing primarily-conditioned air to rooms Primarily-conditioned air is discharged from a heat source, and distributed into a plurality of rooms through a duct. The duct has a plurality of air passages connected to the rooms, and a damper is provided in each air passage for adjusting the flow of t... | 09/06/1994 |
| 5005636 | Variable air volume ventilating system and method of operating same A variable air volume ventilating system includes a fan volume modulator, for controlling a series terminal fan. A controller determines the proper fan motor speed, and generates a control signal which is transmitted to the fan modulator for varying the v... | 04/09/1991 |
| 4942921 | Forced air ventilation system The variable air volume ventilating system includes a control device for driving a fan at continuously variable speeds for delivering air to the space for conditioning purposes. A controller monitors various conditioners of the space, to, in turn, cause t... | 07/24/1990 |
| 4537245 | Zone air-conditioning control system for motor vehicle compartment A portion of an air-conditioning unit is divided into two so as to provide first and second air-mixing chambers each following first and second temperature adjustment mechanisms. The temperature of air in the first chamber is controlled independently of t... | 08/27/1985 |
| 4253153 | Energy conservative control of terminal reheat heating, ventilating, and air conditioning (HVAC) systems A terminal reheat HVAC system which regulates the temperature in a plurality of temperature controlled spaces by modulating the temperature of cool discharge air presented to each of the spaces from an air handler source, each space receiving the cool dis... | 02/24/1981 |
| 4212078 | Computer controlled facility management system (FMS) A central control system includes a central processing unit (CPU) installed in a central location of a facility, and interconnected with a plurality of remote controllers, each located in an associated one of several buildings in the facility and each inc... | 07/08/1980 |
| 4142574 | Optimized air conditioning system An optimized air conditioning control system is disclosed having a source of return air, a first source of outdoor air and a second source of outdoor air, the mixture of the first source of outdoor air and the return air is controlled at a temperature suc... | 03/06/1979 |
| 4008756 | Apparatus for air conditioning employing variable terminal box A heating and air conditioning system and a special variable volume terminal box associated therewith, the system utilizing energy dissipated by the lighting and other building facilities in a controlled manner through the functioning of the variable volu... | 02/22/1977 |
| 3951205 | Air-conditioning apparatus Disclosed is an air-conditioning apparatus for use in controlling the temperature of air in and delivered to a plurality of rooms or spaces. The apparatus has a central utility means which supplies a pressurized volume of cold air. Ducting is provided to ... | 04/20/1976 |
