Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7587985 | Method and apparatus for producing fine carbon particles A method includes producing an isolation atmosphere in a phase changing area above a reactant liquid and then injecting a feed material into the reactant liquid. The feed material preferably comprises a quantity of a hydrocarbon compound. The method further includes... | 09/15/2009 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7067204 | Submerged plasma generator, method of generating plasma in liquid and method of decomposing toxic substance with plasma in liquid A method and apparatus for generating plasma in a liquid. The apparatus includes an ultrasonic wave generator for generating bubbles in the liquid, and an electromagnetic wave generator for continuously irradiating electromagnetic waves to the liquid from within the... | 06/27/2006 |
| 7021223 | Method and apparatus for injecting gasification medium into particle-loaded gasification spaces Method and apparatus for injecting gasification medium into particle-loaded gasification spaces of fixed-bed, fluidized-bed or entrained-bed gasifiers by means of gasification-medium nozzles, wherein the supply portion the isorate of the gasification medium in the g... | 04/04/2006 |
| 6915751 | Method and apparatus for processing a pulverulent or particulate material In a fluid bed apparatus in which a layer of pulverulent or particulate material is fluidized by means of fluidizing gas which is introduced through openings in a bed plate in a first plurality of streams of flows of gas, means are provided for introducing a second ... | 07/12/2005 |
| 6883442 | Process for the production of a gaseous fuel A process for the production of a gaseous fuel from a waste material and/or a premium fuel, which process comprises: i) providing a processing chamber having therein a plurality of outwardly radiating inclined vanes at a base thereof, an inlet and an outlet; ii) int... | 04/26/2005 |
| 6857379 | Method and device for incinerating organic waste material According to a conventional method for incinerating organic waste material, a fluidization device causes an oxygenous fluidizing gas to flow through the waste material, which is located in an incineration chamber, from underneath while forming a fluidized particle l... | 02/22/2005 |
| 6815572 | Method and device for incineration and vitrification of waste, in particular radioactive waste The present invention provides a method of processing organic waste (D) in divided solid and/or liquid form, the method being implemented in a single reactor (1) containing a bath of molten glass (V) surmounted by a gas phase (G), the method comprising incine... | 11/09/2004 |
| 6789487 | Fluidized bed incinerator and combustion method in which generation of NOx, CO and dioxine are suppressed A fluidized bed incinerator having a combustion furnace includes first to fourth combustion sections. Fuel is supplied to the first combustion section and an combustion exhaust gas is exhausted after the fourth combustion section. First to fourth airs are supplied t... | 09/14/2004 |
| 6612250 | Method of controlling the temperature of a reaction carried out in a fluidised bed reactor Method of controlling the temperatures of an exothermic process carried out in a suspension of solids in a reactor system formed by a wind box (2), a vertical riser (5), which is essentially not cooled, a particle separator (6), at least one set of recycl... | 09/02/2003 |
| 6598547 | Method for disposing of hazardous and high-energy materials and device for carrying out said method The invention relates to a method for disposing of hazardous or high-energy materials, in which the latter are caused to undergo a reaction in a pressure-proof housing under controlled conditions, the end products of which reaction are non-hazardous, as w... | 07/29/2003 |
| 6588349 | System for the drying of damp biomass based fuel System for drying a damp biofuel, includes a boiler (1) for combustion of the fuel. Further, the system includes a first heat drying chamber (2), a drying gas flow (3) heated by the thermal energy of the combustion gases from the boiler and/or by steam, t... | 07/08/2003 |
| 6505567 | Oxygen fired circulating fluidized bed steam generator A circulating fluidized bed steam generator 10 and a method for operating the circulating fluidized bed steam generator are provided which offer the flexibility to use carbon dioxide (CO2) both as a desirable end product and as support to the c... | 01/14/2003 |
| 6460472 | Fluidized bed material, method for its production, and method in a fluidized bed process A fluidized bed material including mineral particles of a gabbro class or darker rock type. The rock type includes several minerals and having a quartz content of 5 wt-% or less. The particles are made by comminuting a gabbro class or darker rock type. A ... | 10/08/2002 |
| 6431095 | Method of improving combustion in a system having a circulating fluidized bed, and a corresponding system The method is applicable to a combustion system of the circulating fluidized bed type which system includes a hearth and a cyclone, and operates using fuel that is inserted into the bottom of the hearth, where a reducing atmosphere is created and where th... | 08/13/2002 |
| 6418866 | Operating method of fluidized-bed incinerator and the incinerator The objective of the present invention is to provide a fluidized bed incinerator which will increase the thermal capacity of the freeboard to respond to fluctuations of the load imposed by waste matter such as sludge or garbage with a high moisture conten... | 07/16/2002 |
| 6401635 | Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material Process for recycling of liquid carton waste material or other similar waste material having fibrous, metal and plastics materials. The process includes introducing the waste material and a slushing liquid into a slushing apparatus and slushing of the was... | 06/11/2002 |
| 6349658 | Auger combustor with fluidized bed An improved auger combustor for the incineration of refuse featuring, in its preferred embodiment, a granular substrate formed as a fluidized bed by underfire air and composed of particulate material with pollution abatement properties, an auger with expa... | 02/26/2002 |
| 6338303 | Perforated bottom plate for the production of a fluidized bed A perforated bottom plate for the production of a fluidized bed within a container. The perforated bottom plate has a large number of holes through which a gaseous medium flows in order to produce the fluidized bed. For better mixing of the granular mater... | 01/15/2002 |
| 6336415 | Method for the heat treatment of solids In a process for the thermal treatment of solid materials (3), in particular refuse, in which the solid materials (3) are burnt/gasified or pyrolized in a first step (5) with a lack of oxygen, and then, in an afterburning zone (14), the flue gases (6) fro... | 01/08/2002 |
| 6220189 | Rotatable fluidized bed incinerator A rotatable fluidised bed incinerator comprises a rotatable combustion chamber, a means for rotating the combustion chamber, a means for introducing combustible material into the combustion chamber, and a means for introducing a gas into the combustion ch... | 04/24/2001 |
| 6133499 | Method and apparatus for producing superheated steam using heat from the incineration of waste material According to the present invention, boiler water is pressurized so that its boiling point is set at approximately 200° C. to 320° C. The boiler water is heated in at least two stages. Thermal energy of gases containing chlorine compounds is used to heat... | 10/17/2000 |
| 5868083 | Method and device for feeding fuel into a fluidized bed To a fluidized combustor bed there is passed particulate fuel via a fuel flow distributor which comprises a vessel for receiving a particular fuel from a fuel storage. The fuel is fed into the vessel of the fuel flow distributor from the fuel storage, whe... | 02/09/1999 |
| 5771817 | Recovery boiler A recovery boiler for combusting spent liquor from cellulose cooking while at the same time recovering chemicals. The recovery boiler is constructed for so-called "rotafire" combustion and the speed of rotation of the secondary air has been increased by a... | 06/30/1998 |
| 5626088 | Method and apparatus for utilizing biofuel or waste material in energy production Method and apparatus for using biofuel or waste material or both for energy production. The biofuel or the waste material is gasified in a fluidized bed gasifier (10), preferably a circulating fluidized bed gasifier. The gas produced in the gasifier is in... | 05/06/1997 |
| 5611947 | Induction steam plasma torch for generating a steam plasma for treating a feed slurry Steam plasma reactor incorporating an induction steam plasma torch where superheated steam is generated and passed through an induction coil or coils to generate high temperature steam plasma for conversion and disposal of waste products such as low level... | 03/18/1997 |
| 5566625 | Combustion apparatus including pneumatically suspended combustion zone for waste material incineration and energy production High temperature combustion apparatus incorporating a pneumatically suspended combustion zone and capable of supporting relatively high combustion temperatures, in excess of 2400° C. (4352° F.) for essentially total combustion with minimal pollutant pro... | 10/22/1996 |
| 5558028 | Incinerator frame An incinerator which includes a furnace shell, a filtering device and an ash ejector is provided. Three blowers are placed around the furnace shell along tangent lines to the outer furnace shell wall. The air blown by the blowers forms a whirling airflow ... | 09/24/1996 |
| 5513582 | Incineration method, particularly for spent graphite The method of incinerating a combustible material (1) comprises, before custion, the following steps: dividing (2) the material into particles, incorporating (3) the divided material into an aqueous medium at a rate of not more than 35% by weight of solid rel... | 05/07/1996 |
| 5495813 | Combustion method and apparatus Apparatus and method for incinerating waste whose ease of burning may vary form batch to batch, wherein burning is conducted in a main combustion region to form combustion products containing combustibles and in a secondary combustion zone which is suppli... | 03/05/1996 |
| 5408942 | Combustion apparatus including pneumatically suspended combustion zone for waste material incineration and energy production High temperature combustion apparatus incorporating a pneumatically suspended combustion zone and capable of supporting relatively high combustion temperatures, in excess of 2400° C. (4352° F.) for essentially total combustion with minimal pollutant pro... | 04/25/1995 |
| 5286188 | Uni-directional anti-backsifting fluidization nozzle and a fluidized bed system utilizing same A fluidized bed system in which a plate is disposed in an enclosure and is adapted to support particulate material. A plurality of nozzles are supported by the plate for receiving air and directing the air through the plate and into the particulate materi... | 02/15/1994 |
| 5281790 | Process of immobilizing ashes by vitrification thereof in a plasma reactor Disclosed is a process for immobilizing ashes by vitrification thereof in a plasma arc reactor, which is very efficient to treat ashes and any other pulverulent residues containing toxic leachable components that may be a source of pollution. The process ... | 01/25/1994 |
| 5270515 | Microwave plasma detoxification reactor and process for hazardous wastes A large volume microwave plasma process for "in-situ" detoxification of dioxins, furans and other toxicants is disclosed. A helical coil and a cylinder of a low loss dielectric tubing is coaxially positioned inside a microwave resonant cavity to extend fr... | 12/14/1993 |
| 5238400 | Apparatus for distributing pneumatically conveyed solid pulverulent material An apparatus for distributing pneumatically conveyed solid pulverulent material over an annular area of large diameter comprises an enclosure defining an annular chamber having a substantially vertical axis, a closed upper end and a lower end, an upper po... | 08/24/1993 |
| 5159884 | Automatic incinerator apparatus A ram feed waste incinerator apparatus includes a vertical waste storage cylinder positioned above a combustion chamber and contains a movable ram to force the waste to be incinerated downwardly against a transversely extending, rotatably driven bar at th... | 11/03/1992 |
| 4969406 | Method for the thermal decomposition of a fluid substance contained in a gas A method for the thermal decomposition of a fluid toxic substance contained in a gas comprises a cylindrical main combustion chamber and a secondary combustion chamber arranged thereabove. An inlet opening leads into the main combustion chamber at an angl... | 11/13/1990 |
| 4940006 | Process for incineration of refuse Process and apparatus for incinerating refuse or the like in a furnace where the flue gases of combustion are combined with secondary air for afterburning the gases in an afterburning zone. The flue gases are dammed before entering the afterburning zone s... | 07/10/1990 |
| 4858537 | Combustion method and apparatus A method and apparatus for the combustion of a hydrocarbonaceous material wherein an open topped trough means is provided for containing the hydrocarbonaceous material, at least one of an oxygen containing gas and a fluid fuel is introduced into a lower p... | 08/22/1989 |
| 4817539 | Waste reclamation furnace A pollution-free waste reclamation furnace which is comprised of a forced air burn chamber for burning presorted combustible non-petroleum derivative waste. A petroleum derivative waste cooking ring-like chamber, which is at least partially surrounded by ... | 04/04/1989 |
