Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 4408711 | Thermostat with adaptive operating cycle An electronic thermostat operative to be connected to a furnace or other temperature modifying apparatus, to control its state of operation, includes means for generating a desired temperature set point signal and means for measuring ambient temperature o... | 10/11/1983 |
| 4383640 | Heat control device for a wood or coal burning stove A heat control device for a stove which burns solid fuel and in which the heat output of fuel combustion is regulated in order to control within preselected temperature ranges the temperature of the combustion chamber of the stove and the ambient air temp... | 05/17/1983 |
| 4381850 | Automatic air register damper An automatic damper device constructed to be integrated in multiple units into forced air heating and cooling systems for the purpose of controlling and regulating air flow to all rooms, individually and concurrently, within a dwelling; the automatic damp... | 05/03/1983 |
| 4369916 | Energy saving override blower control for forced air systems A blower override system and control for forced air systems such as heating or cooling systems in which an override relay starts the blower to circulate the warmed or cooled air when the heating or cooling element turned on. When the heating or cooling is... | 01/25/1983 |
| 4361273 | Electronic humidity control A control system for a humidifier, associated with a hot air furnace, that attains a high level of relative humidity without causing any condensation on the building interior by varying the level of operation of the humidifier as a function of the rate of... | 11/30/1982 |
| 4356962 | Thermostat with adaptive operating cycle An electronic thermostat operative to be connected to a furnace or other temperature modifying apparatus, to control its state of operation, includes means for generating a desired temperature set point signal and means for measuring ambient temperature o... | 11/02/1982 |
| 4349148 | Emergency heating system control circuit This invention relates to a DC powered emergency heating system control circuit for use in combination with a gas furnace that includes an AC power supply for a thermostat to control a normally operated AC powered automatic gas valve, which gas valve prov... | 09/14/1982 |
| 4319713 | Stove blower control accessory A temperature responsive blower control attachment for a wood-burning stove. The attachment is mountable to or seatable on a heated external surface of the stove and provides thermostatically regulated operation of an electrically operated blower or fan t... | 03/16/1982 |
| 4269349 | Solid fuel furnace A solid fuel furnace is disclosed as including a firebox disposed inside of a heating chamber through which air to be heated is passed. A pair of baffles guides the air through the heating chamber to progressively heat the air. In addition, an auxiliary a... | 05/26/1981 |
| 4235372 | Diffuser A supersonic diffuser for diffusing a low pressure radially expanding supersonic flow to a subsonic flow of increased pressure. In applications having cylindrical geometrics, the diffuser includes a plurality of radially extending, angularly spaced vanes ... | 11/25/1980 |
| 4195778 | Auxiliary air heater for fireplaces There is disclosed an air-to-air heat exchanger which is positioned in a fireplace. The heat exchanger comprises a grate structure on which logs are burned. Ambient air is circulated through the heat exchanger and is heated. Hot air exiting from the heat ... | 04/01/1980 |
| 4189091 | Furnace having a normally closed blower relay A furnace having a burner fired heat exchanger with a flue gas passage and a heated air passage, a blower powered by an electric motor for circulating the heated air and an electric control circuit with a normally closed relay connecting the blower motor ... | 02/19/1980 |
| 4168797 | Heated air distribution system A heated air distribution system for a forced air heating system of a home or the like for distributing heated air preferably from a higher heated area to a lower heated area. The heated air distribution system utilizes the air return ducts of the forced ... | 09/25/1979 |
| 4149671 | Solid fuel furnace A solid fuel furnace is disclosed as including a firebox disposed inside of a heating chamber through which air to be heated is passed. A pair of baffles guides the air through the heating chamber to progressively heat the air. In addition, an auxiliary a... | 04/17/1979 |
| 4140274 | Control device for a warm air furnace Control apparatus for regulating the operation of a warm air furnace having a conventional thermostat control arranged to turn the furnace burner on and off. Circuit means are arranged to override the thermostat to turn the burner off when the temperature... | 02/20/1979 |
| 4132354 | Auxiliary air displacement method and unit for furnaces A method of maximizing available but unused heated air located in the plenum of a furnace which comprises sensing the point at which air within the furnace plenum is sufficiently warm to provide valuable hot air but is still below the activation temperatu... | 01/02/1979 |
| 4125222 | Solar heat augmented heating system and temperature responsive gable vent A solar heat augmented heating system is disclosed in which a solar heat chamber located in an attic is employed selectively to supply heat to the heating system which heats the occupant space, thereby to decrease the load on the conventional heating syst... | 11/14/1978 |
| 4123000 | Method of starting a hot air furnace An apparatus for starting a hot air recirculating furnace system. Reduced power is applied to the motor which drives the recirculating fan to cause the motor to turn at a reduced speed. The furnace is ignited during the application of the reduced power to... | 10/31/1978 |
| 4122999 | Forced air heating system The flue pipe for a combustion chamber of a hot air furnace passes through the hot air plenum and then passes through the cold air supply duct. Heat exchange fins are secured to a length of the flue pipe located within the hot air plenum and within the co... | 10/31/1978 |
| 4111357 | High energy saving heat exchanger for furnaces A high energy saving heat exchanger is provided for the hot exhaust gases of a furnace which has a combustion chamber, a burner with electrical controls, a furnace heat exchanger and an exhaust pipe adapted for connection with a stack. The high energy sav... | 09/05/1978 |
| 4090664 | Tri-state electrical circuit An electrical circuit having three states depending upon the magnitude of an electrical signal coupled, in operation, to an input thereof, the circuit having a first stable state when the said magnitude is less than a first, predetermined value, a second,... | 05/23/1978 |
| 4087046 | Test apparatus Test apparatus is disclosed for testing a gas-fired forced air heating system having a plurality of control elements. A monitoring device includes an indicator light adjacent to the thermostat for indicating a malfunction in the heating system, the monito... | 05/02/1978 |
| 4074854 | Heating apparatus A heating apparatus has a firebox, ash pit and flue enclosed in a casing wherein the fire is maintained toward the rear of the firebox and the ash pit is positioned at the front and below the firebox. The flue connects to a rear portion of the firebox and... | 02/21/1978 |
| 4055297 | Forced air heating system utilizing fireplace as primary heat source A forced air heating system for homes and other buildings wherein a fireplace with a circulating air heating chamber is interposed between the fan exhaust of a conventional forced air furnace and a network of air outlet registers positioned in the various... | 10/25/1977 |
| 4019492 | Method and apparatus for automatic furnace A furnace and method of operation are disclosed for the efficient, controlled combustion of a combustible material such as wood, coal, etc. The furnace includes a grate which grate permits a large amount of combustible material to be stacked within the gr... | 04/26/1977 |
| 3973727 | Thermostatically controlled safety device for oil burners This invention is comprised of a thermostatically controlled safety circuit and device used in conventional hot air oil burning furnaces which automatically turns the oil burner off when the temperature of the room heated by the furnace becomes abnormally... | 08/10/1976 |
