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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7735435 | Apparatus for cleaning a smelt spout of a combustion device A cleaning apparatus for cleaning a smelt spout of a boiler is provided. The boiler includes a boiler wall defining an outlet port for discharging molten smelt and the smelt spout is positioned with respect to the outlet port so that the molten smelt is able to flow... | 06/15/2010 |
| 7392753 | Process and apparatus for disposal of wastes An apparatus 1 for disposal of wastes comprises a measuring hopper 2 for measuring a charging amount of a waste to be disposed such as domestic wastes, industrial wastes or the like or a charging amount of a solid fuel such as coke, coal or the like, a... | 07/01/2008 |
| 7305924 | Apparatus and method for delivery of biomass fuel A method and apparatus for delivering biomass fuel to a structure through an external wall of the structure is disclosed. The apparatus comprises a hopper disposed within a delivery vehicle. The hopper includes an inlet disposed on its top surface to receive biomass... | 12/11/2007 |
| 7284550 | Burn pot for furnace A method of combusting a fuel in a burn pot includes forming an ash column within the burn pot, and removing a portion of the ash column. The burn pot includes a first sidewall portion, a second sidewall portion, and a translatable plate interposed between the first... | 10/23/2007 |
| 7111565 | Rotating grate for the combustion of slag producing fuel In a rotating grate having a rotational-symmetrical shape having an axis of rotation which is inclined against a horizontal plane by more than 34°, and which encloses a combustion chamber for the combustion of slag-forming fuel, which is locked on a lower end and i... | 09/26/2006 |
| 7004087 | High temperature gas reforming cyclo-incinerator A high temperature gas reforming cyclo-incinerator, using reformed water and strongly swirling inlet air in its interior to burn up wastes. The incinerator has a dust collecting structure designed to almost completely remove circulating dust and other harmful impuri... | 02/28/2006 |
| 6953517 | Plant for the treatment of residue In order to make it possible for an inhomogeneous residue generated in a pyrolysis plant to be separated continuously and in as fully graded a way as possible, specially selected components are combined with one anther in an advantageous configuration. An essential ... | 10/11/2005 |
| 6948436 | Method and apparatus for the gasification and combustion of animal waste, human waste, and/or biomass using a moving grate over a stationary perforated plate in a configured chamber An apparatus for the combustion of organic waste such as poultry litter/manure, cow manure and swine manure, and/or human waste, and/or biomass using a moving grate over a stationary perforated plate to convert organic waste into usable energy. The unprocessed fuel ... | 09/27/2005 |
| 6949226 | Sodium-based dechlorinating agent and waste treatment equipment A sodium-based dechlorinating agent is added to a flue gas; hydrogen chloride contained in this flue gas is removed as residue of dechlorination; the thus removed residue of dechlorination is dissolved by adding water; water-insoluble constituents are separated from... | 09/27/2005 |
| 6904850 | Animal treatment system and method thereof The present invention relates to an innovative treatment system with a large capacity of 4,000 kg to 32,000 kg /per 8 hours up to 24 hours, and an animal incinerator is of the largest capacity all over the world at the present time. The present invention, comprising... | 06/14/2005 |
| 6886476 | Vertical refuse incinerator for incinerating wastes and method for controlling the same In a vertical refuse incinerator for incinerating wastes according to the present invention, an incinerator body 1 is made up of an upper cylindrical part CP and a lower funnel part FP covered by a cooling case, and an exhaust gas mixing device 4 promo... | 05/03/2005 |
| 6877445 | Chamber having discharge base A chamber having a discharge base discharges an oversize fraction of a material and a fine fraction of the material separately from the chamber. The discharge base for the chamber for the heat treatment of the material is capable of separating the fine fraction of t... | 04/12/2005 |
| 6807913 | System and method for decongesting a waste converting apparatus A plurality of fluxing agent inlets are provided at the lower part of a waste processing chamber to enable the direct application of fluxing agents to deposited “unprocessed solids” and/or to liquid products of high viscosity therein. Means are provided for sens... | 10/26/2004 |
| 6769370 | Incinerator with a bowl-shaped grate An incinerator includes a peripheral wall having a top end and formed with an inlet at the top end and an outlet below the inlet, a bowl-shaped grate disposed between the inlet and the outlet, a plurality of laterally extending baffles extending from a bottom end of... | 08/03/2004 |
| 6698365 | Apparatus for thermal treatment using superheated steam Material to be treated such as garbage is charged into a first rotary kiln 14 to be mainly dehydrated and charged into a second rotary kiln 18 to be carbonized. The first rotary kiln 14 has a first nozzle pipe 11 therein for spouting a first high temperat... | 03/02/2004 |
| 6601525 | Incinerator with an ash control unit An incinerator includes a furnace with a supporting plate that defines a combustion chamber thereabove and an ash receiving chamber therebelow in the furnace. An ash control unit includes a partitioning member that divides the ash receiving chamber into u... | 08/05/2003 |
| 6325000 | Waste incineration machine A waste incineration machine capable of rendering a waste gas occurring during the combustion of waste smokeless and odorless. A heat insulating wall to which a first far infrared ray radiator is fixed is provided so as to surround a combustion furnace an... | 12/04/2001 |
| 6322355 | Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker A method of disposing of undesirable chemical compounds in waste dust generated in a first kiln in the manufacture of cement clinker by using the dust and slag as the feedstock material to a second kiln, heating the feedstock material in an oxidizing atmo... | 11/27/2001 |
| 6309542 | Waste water treating device A waste water treating device can be simply installed in a small area and destroy combustible wastes and sludge to reduce fuel consumption cost of a burner. Moreover, the waste water treating device can increase a treating amount of the waste water per un... | 10/30/2001 |
| 6283048 | Swirling-type melting furnace and method for gasifying wastes by the swirling-type melting furnace The present invention relates to a swirling-type melting furnace for gasifying combustible wastes and/or coal, and a method of gasifying wastes by the swirling-type melting furnace. In the swirling-type melting furnace (5), gaseous materials supplied to a... | 09/04/2001 |
| 6276286 | Compression device for feeding a waste material to a reactor A compression device for feeding a waste material to a reactor includes a waste material feed assembly having a hopper, a supply tube and a compression tube. Each of the supply and compression tubes includes feed-inlet and feed-outlet ends. A feed-dischar... | 08/21/2001 |
| 6253689 | Incinerator A waste incinerator which includes a housing formed by a heat insulating outer wall, air ducts; a decomposing chamber; a fire room; and a catalytic converter, all disposed in the housing. Waste is introduced into the fire room and incinerated there, and t... | 07/03/2001 |
| 6230633 | Conveyor/cooler of loose materials A conveyor/cooler of hot loose materials produced by fluid bed boilers and various industrial processes includes one or more feeding channels, which are substantially vertical or at any inclination. Because of gravity, the material leaves the combustion c... | 05/15/2001 |
| 6213030 | Volatile materials treatment system Apparatus for the treatment of volatile material(s) in contaminated material(s) including a retort assembly which includes a rotatable retort disposed at least partially within a combustion chamber with a heater to indirectly heat the contents of the rota... | 04/10/2001 |
| 6199491 | Refuse incinerating oven A refuse incinerating oven includes a refuse loading car, and a furnace body with lower and upper combustion chambers. The car is conveyed through the furnace body such that refuse loaded on the car can be ignited in the lower combustion chamber. The comb... | 03/13/2001 |
| 6170411 | Waste tire incinerating and post-treating system A waste tire incinerating and post-treatment system in which waste tires are continuously and efficiently burned. The system includes a waste tire reservoir tank, a hoist, a conveyor system, a tire-size sensing system, an incinerating part, a waste oil pu... | 01/09/2001 |
| 6161490 | Swirling-type melting furnace and method for gasifying wastes by the swirling-type melting furnace The present invention relates to a swirling-type melting furnace for gasifying combustible wastes and/or coal, and a method of gasifying wastes by the swirling-type melting furnace. In the swirling-type melting furnace (5), gaseous materials supplied to a... | 12/19/2000 |
| 6152050 | Lightweight compact waste treatment furnace A compact furnace having three main chambers. In the first chamber, the water and the organic compounds are dissociated and vaporized and the metals and ceramics are vitrified and transformed into molten slag. A plasma torch or an induction coil can be us... | 11/28/2000 |
| 6112677 | Down-draft fixed bed gasifier system and use thereof A down-draft gasification reactor has a solids storage chamber bordered from below by a grate and having an oxidation zone, a product gas collection region disposed beneath the grate, a product gas line for discharging out-gassed product gas from the prod... | 09/05/2000 |
| 6109913 | Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker A method of disposing of undesirable chemical compounds in waste dust generated in a first kiln in the manufacture of cement clinker by using the dust and slag as the feedstock material to a second kiln, heating the feedstock material in an oxidizing atmo... | 08/29/2000 |
| 6055916 | Waste material processing apparatus and method A material processing apparatus includes a casing having a top and bottom and a plurality of sides defining a pyrolysis chamber for receiving and pyrolyzing feed materials therein into fluid materials and a mass of refractory material disposed upon the bo... | 05/02/2000 |
| 6050204 | Waste material processing apparatus A material processing apparatus includes a casing having a top and bottom and a plurality of sides defining a pyrolysis chamber for receiving and pyrolyzing feed materials therein into fluid materials and a mass of refractory material disposed upon the bo... | 04/18/2000 |
| 6041724 | Tower garbage incinerator A tower garbage incinerator is provided, consisting of an upper main blast furnace having a zigzag furnace cavity, and a lower accessory burning furnace. When garbage is fed through the inlet of the main blast furnace, the zigzag design of the furnace cav... | 03/28/2000 |
| 6006682 | Garbage incinerator with tunnel furnace combustion A garbage incinerator with tunnel furnace combustion includes a tunnel furnace serving as the burner unit, a number of carriers serving as the burner beds, and a specified track course to deliver the garbage-loaded carriers into the tunnel furnace to inci... | 12/28/1999 |
| 5967063 | Sea-going vessel with a solid-waste incinerator A waste-disposing sea-going vessel includes a vessel body that carries solid waste-holding containers to a site at sea far away from land. The vessel body further has an incinerator to incinerate the solid wastes of the containers, a scrubbing chamber to ... | 10/19/1999 |
| 5950548 | Process for burning combustibles, in particular garbage In the process for burning combustibles, in particular garbage and refuse, on a furnace grate, the combustion regulation on the furnace grate is carried out in such a way that the ash developing at the end of the furnace grate has a temperature lying just... | 09/14/1999 |
| 5915309 | Fluidized bed incinerator The oblique bed wall (6) of the furnace main unit (1) is inclined in downward direction towards the ash discharge outlet (5). Oblique side walls (24R, 24L) are formed in the right and left side walls (1c, 1d) on the inlet (4) side of the furnace main unit... | 06/29/1999 |
| 5915308 | Discharge apparatus A discharge apparatus includes a housing into which a discharge pipe of a carbonization drum opens. A residue discharge chute which starts from the housing opens into a conveying device ending at an outlet. A filling-level meter is disposed at the residue... | 06/29/1999 |
| 5913273 | Incinerator including vibrator and incinerator including drying chamber A waste incinerator including separate burning-, blower-, chimney- and ash-receiving chambers. A suction-discharge port is provided in a wall between the burning chamber and the chimney chamber for discharging gases from the burning chamber through a chim... | 06/22/1999 |
| 5868084 | Apparatus and process for carbon removal from fly ash A new apparatus and process for efficient removal of carbon from fly ash has been developed, whereby carbon removal occurs through oxidation as combustion. The ignition of the carbon is accomplished by bulk heating and molecular impingement of a suspended... | 02/09/1999 |
