Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6485292 | Flare stack for natural gas dehydrators A system for environmentally acceptably disposing of BTEX and/or VOC containing off gases, including entrained vapors and liquids that originate from gas processing equipment including a flare stack communicating at an upper end with the atmosphere, a ste... | 11/26/2002 |
| 6478022 | Self-contained camp heater Self contained and transportable camp heater with a burner within a casing and a fuel tank operably connected to the burner. A stack is removably mounted on the casing and is positioned on a holder with the casing and the fuel tank after removal for trans... | 11/12/2002 |
| 6390807 | Pot type oil burner with unnoticeable bad odor The present invention relates to a structure in which an unburnt gas can be prevented from being diffused into a room while suppressing the generation of the unburnt gas during the extinction operation of a pot type oil burner. During the extinction opera... | 05/21/2002 |
| 6109912 | Fuel vaporizer A heater with a fuel vaporizer. The vaporizer has an uptube for carrying fuel and is centrally located within the burner. A cap is located over the uptube. A tubular casing forms an annulus about the uptube and communicates with the cap. Vaporizer fuel is... | 08/29/2000 |
| 5964585 | Oil burner for ensuring combustion of long-term stored kerosine An oil burner capable of ensuring normal combustion of quality-deteriorated kerosine. A burner body including a vaporization section is fed with fuel and air from a fuel pump and an air fan, respectively. A combustion control unit controls the fuel pump a... | 10/12/1999 |
| 5769623 | Oil fired burner The burner comprises a cylindrical body defining an oil vaporizing chamber, an inlet on the body for oil, and inlet on the body for air and a bed of imitation fuel such as ceramic briquettes. The bed of imitation fuel receives vapor from the chamber for c... | 06/23/1998 |
| 5192203 | Method and apparatus for burning foamed liquid fuel A method and apparatus for high-efficiency burning of a liquid fuel such as kerosine after it has been foamed. The fuel is converted into a fine foam by supplying foaming air thereinto through a porous element having a mean pore diameter of 1-200 μm and ... | 03/09/1993 |
| 5141713 | Apparatus for continuous recovery of certain elements from a combustible liquid A combustion apparatus for continuously obtaining a sample of a preselected trace element contained in a combustible liquid comprising a combustion chamber having inlets for combustible liquid and oxygen, an outlet for gaseous combustion products and a co... | 08/25/1992 |
| 5051090 | Method and apparatus for burning liquid fuel A method for burning foamed liquid fuel in a combustion chamber comprises the steps of foaming the liquid fuel and separately supplying air required for continuous stable combustion of the foamed fuel. An apparatus for carrying out the method is also disc... | 09/24/1991 |
| 5033956 | System for and method of controlling fuel flow to a heating device Flow of liquid fuel to a vaporization tube of a heating device is controlled by a vertically adjustable float valve, with the vertical height of a surface level of the fuel in a float valve chamber being set to correspond to a desired operating level of t... | 07/23/1991 |
| 4561840 | Safety device for oil burner A safety device for an oil burner is disclosed which is capable of effectively and rapidly accomplishing the detecting and stopping of abnormal combustion in the oil burner. The safety device includes an additional flame electrode (72) which is adapted to... | 12/31/1985 |
| 4545758 | Pot-type oil burner A pot-type oil burner is disclosed which is capable of effectively preventing the generation of bad odor and soot during the igniting operation by turning on an electric heater positioned above a heat-resistant fabric spread on the bottom surface of a pot... | 10/08/1985 |
| 4543057 | Pot-type oil burner A pot-type oil burner is disclosed which is capable of stabilizing the vaporization rate of fuel oil in a pot to accomplish the stable complete combustion with a good efficiency. The oil burner is constructed to arrange a heat-resistant fabric on the bott... | 09/24/1985 |
| 4466790 | Liquid-fuel pot burner A pot burner, which in an undefined sloping position with rocking movements functions well, particularly in vehicles and vessels, because the vaporing surface of the fuel is defined and because the vapored fuel is well mixed with air in a first cage, whic... | 08/21/1984 |
| 4369027 | Liquid fuel combustion apparatus In a liquid fuel combustion apparatus having a horizontal combustion cylinder including a peripheral wall provided with perforations through which air is supplied in the form of jets. A fuel supplying system includes a fuel reservoir provided at the lower... | 01/18/1983 |
| 4363621 | Oil burner of type of pumping up fuel oil An oil burner of the type of pumping up a fuel oil is disclosed which has a first oil level setting means of an airtight type having an overflow pipe means constantly immersed at the lower end thereof in a fuel oil to be pumped up to the first oil level s... | 12/14/1982 |
