...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7442034 | Detonative cleaning apparatus An apparatus for cleaning a surface within a vessel has an elongate combustion conduit extending from an upstream end to a downstream end. The downstream end is associated with an aperture in the wall of the vessel and is positioned to direct a shockwave toward the ... | 10/28/2008 |
| 7435080 | System and method for flame stabilization and control A system and method for providing continuous measurement and control of a combustion device by altering the fuel composition delivered thereto. The system includes devices for sensing related information, such as fuel characteristics, combustion characteristics, or ... | 10/14/2008 |
| 7377771 | Apparatus for the thermal treatment of process exhaust gases containing pollutants The invention relates to an apparatus for the thermal treatment of process exhaust gases containing pollutants, which can be used for a very wide range of surface modification processes carried out under a vacuum. The intention is to achieve the object of thermally ... | 05/27/2008 |
| 7313916 | Method and apparatus for generating power by combustion of vaporized fuel An apparatus for producing power from a source of liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, the inlet end in fluid communication with the source of liquid f... | 01/01/2008 |
| 7082948 | Method of and apparatus for automatically coating the human body In a system for coating human skin, a chemical composition, such as a cosmetic or medical formulation, is uniformly coated over the entire body or selected parts of the body of the person being coated. The system includes atomization of the coating composition, cont... | 08/01/2006 |
| 7048536 | Temperature-compensated combustion control The “fuel-air pressure ratio” combustion control system for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate is improved by means for adjusting the flow rate of fuel in relation to tem... | 05/23/2006 |
| 7041089 | Automated system for coating the human body: virtual motion In a system for coating human skin, a coating composition, such as a cosmetic or medical formulation, is uniformly coated over the entire body or selected parts of the body of the person being coated. The system includes atomization of the coating composition, conta... | 05/09/2006 |
| 6132203 | Method and apparatus for burning oils of varying viscosity Disclosed is an oil burning system that is capable of burning oils of varying viscosities, including high viscosity waste oils and low viscosity heating oils. Suitable as a new installation or a retrofit modification, the present invention incorporates th... | 10/17/2000 |
| 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 |
| 5827053 | Positive flow purge system for microflame torch A positive flow purge system for a microflame torch including a source of combustible gas, a source of non-combustible gas and a gas valve having first and second gas inlets and a gas outlet. A first gas line connects the source of combustible gas to the ... | 10/27/1998 |
| 5785941 | Process for preparing finely divided silica and apparatus for carrying out the process A process for preparing finely divided silica by reaction of gaseous or vaporizable silicon compounds in a mixture with gases forming water on combustion with air or oxygen in a flame includes producing discharges of gas in the combustion chamber by means... | 07/28/1998 |
| 5490974 | Tubular heater for preparing carbon monoxide-containing gas mixtures The tubular heater comprises numerous tubes, which are disposed in a combustion chamber and contain catalyst. A synthesis gas, which mainly comprises hydrogen, carbon monoxide, and carbon dioxide, is prepared in the tubes. There is a risk of a formation o... | 02/13/1996 |
| 5486107 | Determination of fuel characteristics A method of determining thermophysical or thermochemical parameters of a fuel gas is disclosed which has wide application both as to applicable fuels and applicable parameters. A relationship has been discovered that allows the determination of many param... | 01/23/1996 |
| 5462429 | Mechanical wiper for waste gas incinerator A mechanical wiper mounted within an incinerator for waste gases, such as silane, and said wiper adapted to move adjacent selected internal surface areas to remove combustion products buildup on such selected areas.... | 10/31/1995 |
| 5408970 | Electronically controlled continuous flow fuel system An electronically controlled fuel system for use with a continuous, non-cyclical process has a fuel manifold to which pressurized fuel from a source is supplied and through which the fuel is metered, to an end use combustor, by a periodically energizable ... | 04/25/1995 |
| 5376181 | Nozzle assembly A nozzle assembly which comprises nozzle duct having inlet and discharge ends is provided with a tubular support. The support has a first end in fluid communication with the nozzle duct adjacent the discharge end thereof. The second end of the support ext... | 12/27/1994 |
| 5238397 | Device for the combustion of viscous fluids An apparatus for combustion of viscous liquids such as tar from gas filters or the like includes a tank with heating elements, a burner unit and pipe connecting the burner with the tank. The pipe extends into the tank, and an end of the pipe within the ta... | 08/24/1993 |
| 5090451 | Combination steam and fuel oil supply and purge valve with recirculation feature An improved combination steam and fuel oil supply and purge valve has a steam valve and actuator member which provides for a closed position, a purge operation with communication established between a steam supply line and a discharge line leading to an o... | 02/25/1992 |
| 4913646 | Combustion device In a combustion device for burning a liquid atomized fuel with an oxygen containing gas and in which ejectors using oxygen as driving gas are sucking admixed exhaust gases into a space adjacent to a fuel supply nozzle, the inventive feature is to provide ... | 04/03/1990 |
| 4828483 | Method and apparatus for suppressing NOx formation in regenerative burners A method and apparatus for repressing NOx formation in twinned regenerative burner pairs includes inducing a stream of hot flue gas, preferably containing enriched products of combustion, from the main hot flue gas exhaust stream and vitiating the preheat... | 05/09/1989 |
| 4823843 | Valve apparatus In a valve system for controlling the flow of liquid fuel and steam to a nozzle in a large scale power plant boiler, a pair of valves are operated by rotary pneumatic actuators. Three-position operation is achieved for one of the valves by coupling the va... | 04/25/1989 |
| 4776705 | Thermocouple for use in a hostile environment A thermocouple system for use in a high temperature reactor wherein a carbonaceous fuel is burned to produce a usable gas and a residual slag. The thermocouple is enclosed in a gas tight metal protection sheath which is inserted inside a multi-segment ref... | 10/11/1988 |
| 4767316 | Fuel supply system for oil burner The fuel supply system includes an air pipe which is connected between a fuel oil supply pipe and an inlet side of a forced air passage and is provided at a middle portion thereof with an elevation positioned above any portion of the fuel supply pipe betw... | 08/30/1988 |
| 4704085 | Deodorizing device for oil stove A movable wick type oil stove which comprises a wick for absorbing oil to provide a fire at the top of the wick, wick cylinders defining a space for disposing the wick therein means for moving the wick in the vertical direction along the wick cylinders, a... | 11/03/1987 |
| 4668179 | Oil burner of the wick ignition type An oil burner of the wick ignition type is disclosed which is capable of effectively preventing the generation of bad odor due to unburned fuel oil gas after the fire-extinguishing operation as well as during the operation. The oil burner includes an air ... | 05/26/1987 |
| 4650416 | NF3 combustor for cylindrical laser A combustor using D2 /NF3 /He is used in a laser gain generator in a cylindrical gas laser. The combustor includes a plurality of primary rings having fuel, oxidizer and diluent orifices therein. Fuel and oxidizer orifices form a tri... | 03/17/1987 |
| 4639211 | Deodorizing device for oil stove A movable wick type oil stove which comprises a wick for absorbing oil to provide a fire at the top of the wick, wick cylinders defining a space for disposing the wick therein means for moving the wick in the vertical direction along the wick cylinders, a... | 01/27/1987 |
| 4604050 | Method of cleaning nozzles in a fluidized bed The combustion gas passages leading to a fluidized bed in a hot water or steam boiler are kept free of deposits which might block them by pulses of gas. The gas pulses may be generated from a pressurized reservoir with periodic or aperiodic openings of a ... | 08/05/1986 |
| 4533316 | Vaporizing type fuel combustion apparatus with tar removal device There is disclosed a combustion apparatus of a fuel vaporizing type wherein fuel is led to a fuel injector for vaporization and the vaporized fuel is fed to a burner via a gas nozzle for combustion. The combustion apparatus features the provision of a dev... | 08/06/1985 |
| 4509914 | Apparatus for the combustion of liquid fuels in the gaseous state A method for the combustion of liquid fuels in the gaseous state comprising the steps of evaporating fuel in a gasification chamber and burning the gasified fuel after it leaves the gasification chamber with a controlled amount of air. This is controlled ... | 04/09/1985 |
| 4504214 | Control valve for a burner with shutoff characteristics A control valve for a resonant burner having a burner space for receiving active substance through a conduit with an atomizing nozzle discharging into the space is disclosed. When the valve is shut off to terminate flow of the active substance through the... | 03/12/1985 |
| 4472133 | Method of operating a vapor burner for liquid fuel and vapor burner and control device for performing said method A self cleaning vapor burner for liquid fuel in communication with a combustion chamber. The burner includes an electrically heated evaporating tube. The supply of liquid fuel is periodically interrupted to the evaporating tube wherein the tube is heated ... | 09/18/1984 |
| 4465458 | Apparatus for burning liquid fuel equipped with heating-type fuel vaporizer A liquid fuel combustion apparatus for evaporating and vaporizing kerosene, gas oil or like liquid fuel by heating, admixing air with the vaporized fuel in a specified ratio and burning the resulting gaseous mixture in a combustion unit. The vaporizer for... | 08/14/1984 |
| 4453914 | Low heat loss laser combustion chamber A low heat loss combustion chamber for a gain generator assembly is shown. The gain generator assembly operates in a cylindrical gas laser. The combustion chamber includes a plurality of primary rings having fuel and oxidizer injectors therein as well as ... | 06/12/1984 |
| 4424017 | System and method for burning liquefied gases A system for burning a liquefied gas comprises a burner gun for spraying the liquefied gas into a combustion space, a pump for feeding the gas under pressure, pipe means connecting the burner gun with the pump, and a flow regulating valve provided in the ... | 01/03/1984 |
| 4354519 | Non-drip valve apparatus A no-drip valve apparatus for regulating a fluid flow from an inlet to an outlet. A pressure activated supply valve means controls the flow of fluid through the valve. A partition member cooperates with a vacuum chamber to retract and retain any remaining... | 10/19/1982 |
| 4333746 | Gas conditioning means for a plurality of boilers A gas conditioning means for a plurality of boilers and more particularly an improved means for providing a conditioning mixture of sulfur trioxide (SO3), from a single system, for injection into the flue gas streams of a plurality of boilers f... | 06/08/1982 |
| 4270561 | Valve for a burner system A valve for incorporation in a fuel line, between a pump and a fuel burner, has a valve chamber and a valve member in the chamber. The valve member normally closes a connection from the pump to the burner, but opens this connection in response to a suitab... | 06/02/1981 |
| 4265613 | Safety device for an oil burner A safety device for an oil burner includes a pump which has a drive cylinder portion with a double-acting piston movable therein which is connected through a connecting rod to a suction piston portion which is movable in a suction portion of the pump cyli... | 05/05/1981 |
| 4170489 | Process for cleaning jet engine nozzles A process is provided for cleaning residue fuel varnish and carbon from the fuel nozzles and guide vanes of a jet engine. The process involves dispensing a detergent and water solution under sufficient pressure through the fuel nozzles themselves to scrub... | 10/09/1979 |