Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 6878352 | Inflator processing apparatus and method of judging charge of inflator Recovery of air bag inflator metal cases. An inflator processing apparatus configured to process a gas-generating chemical-containing inflator for automobile air bags, by heating the inflator to a temperature not lower than an operating temperature of the chemical t... | 04/12/2005 |
| 6526898 | Furnace with radiant reflectors The present invention utilizes radiation reflectors on the refractory wall of a fired furnace opposite the spaces between adjacent tubes. The radiation reflectors focus the reflected radiation from the flame onto the dark side of the tubes. The invention ... | 03/04/2003 |
| 4856438 | Furnace The present invention is a furnace for burning pelletized or particulate fuel. The furnace has a split auger located within a serpentine fuel conduit which controllably feeds pelletized fuel into a contained burner, wherein the fuel is exposed to fire and... | 08/15/1989 |
| 4433644 | Steam boilers Two types of boilers for generating high pressure steam from gaseous effluents containing abrasive and corrosive solids are provided. Both types of boilers are vertical boilers of the fire-tube type with the gas flowing within the boiler tubes and with th... | 02/28/1984 |
| 4411616 | Apparatus for burning of fuel gases and process for avoidance of combustion chamber oscillations Oscillation in a combustion chamber is avoided by providing in the combustion chamber an oscillatable wall which is oscillatable by oscillation occurring in the combustion chamber. The oscillatable wall may be a wall of low flexural rigidity or a flexural... | 10/25/1983 |
| 4401039 | Fuel preparation and burning system A fuel, such as coal, is prepared by mixing with a petroleum product and possibly other materials to form a grease-like substance. In a motionless mixer the grease-like substance is combined with air to form a foam-like dispersion of fuel and air. Such fo... | 08/30/1983 |
| 4351392 | Heat exchange tube with heat absorptive shield Method and apparatus for enhancing the heat transfer efficiency and lowering the temperature of tube walls used in a tubular gas to gas heat exchanger. The heat exchanger utilizes essentially flat sided tubes for the transfer of heat from hot gas flowing ... | 09/28/1982 |
| 4327671 | Removable flue baffles A flue baffle may be removed from the narrow end of a frusto-conical flue. The baffle has a plurality of hinged plates secured to a tube, and slots in the tube beneath each plate. A slidable rod extends through the tube and has a plurality of pins which e... | 05/04/1982 |
| 4291669 | Efficient fuel burning stove or furnace with thermal energy slow propagation flue structure A stove or furnace for combusting and extracting heat from wood and wood-type fuels includes a firebox arrangement for primary combustion and a flue structure coupled to the firebox which includes a plurality of flue gas decelerating chambers for slowing ... | 09/29/1981 |
| 4266513 | Flue heat exchanger A flue heat exchanger particularly adapted for use in a water heater tank comprising a plurality of segments of a metallic or non-metallic non-friable refractory material randomly packed within a flue. Rounded metallic sections of steel pipe or copper tub... | 05/12/1981 |
| 4217877 | Energy-saving forced-air furnace The specification discloses a novel energy saving forced-air furnace. In contrast to previous forced-air furnaces, which ran only on gas or oil and in which approximately half of the energy derived from the burning fuel was lost through the chimney, the f... | 08/19/1980 |
| 4214627 | Fire tube for a heating boiler A fire tube for a heating boiler comprising two metal tube halves each having a base portion and two leg portions projecting at an angle from the base portion, the tube halves being disposed relative to one another such that the terminating ends of the le... | 07/29/1980 |
| 4213406 | Draft interrupter of a gas-fired boiler installation A gas-fired boiler installation provided with a combustion space being upwardly in communication with a flue and at the bottom being confined by a burner bed. Between the combustion space and the flue there is disposed a draft interrupter, to which at the... | 07/22/1980 |
| 4206875 | Heat recovery apparatus A recuperator for recovering heat from hot exhaust gases flowing through a flue comprises inner and outer cylindrical walls coaxially surrounding a portion of the flue to which a plurality of fins are fixed, the fins extending longitudinally of the flue a... | 06/10/1980 |
| 4157698 | Water heating boiler A boiler comprises a water-carrying housing of sheet steel and a thin-walled cast iron casing arranged within the housing and having regions connected by condensate which are not machined. The casing includes a plurality of radial webs cast on the casing ... | 06/12/1979 |
| 4147134 | Boiler having a hot gas generator for burning liquid or gaseous fuels A boiler having a hot gas generator for burning liquid or gaseous fuels. The hot gas generator comprises a combustion chamber unit, into the combustion chamber of which the fuel and air for combustion are introduced and in which the combustion of the fuel... | 04/03/1979 |
| 4113009 | Heat exchanger core for recuperator The invention relates to a recuperator having an improved core within the primary heat transfer surface. This core, by its unique construction, achieves a combination of reradiative and convective heat transfer which outperforms either of these separate m... | 09/12/1978 |
