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| Number | Title | Issue Date |
| 7107916 | Method for recycling building materials A method of recycling building materials is described, including the steps of introducing the building material into a cement kiln or a boiler, and combusting a combustible portion of the building material as a fuel within the kiln or boiler. The noncombustible port... | 09/19/2006 |
| 7048774 | Recovery of metal values from cermet Cermet material obtained from unused inert anodes, used inert anodes and cermet used in the production of inert anodes is beneficiated into a nonferrous metal concentrate composition from which metal values contained in the composition may be readily recovered by us... | 05/23/2006 |
| 6231288 | Conveyor head and lift for feeding tires into a rotating kiln A tire conveyor and lift apparatus for conveying, lifting and orienting fuel tires for injection into a rotating cement kiln by force or by gravity. The apparatus brings tires from a tire source by a variable speed conveyor belt to a gate or alternatively... | 05/15/2001 |
| 5609458 | Method of charging coal into chamber furnace-type coke oven and apparatus therefor A method of charging coal into a chamber furnace-type coke oven. The coal is fed from a table feeder from a coal hopper so as to be dropped and charged into a carbonization chamber of the coke oven, through a charging cylinder. The coal fed from the table... | 03/11/1997 |
| 5323717 | Refuse feed assembly for incinerators An assembly for feeding refuse from a charging chute of an incinerator onto a stoker disposed in the incinerator comprising a stationary support means disposed adjacent the stoker, stationary guide means mounted on the support means in alignment with the ... | 06/28/1994 |
| 5180273 | Apparatus for transferring semiconductor wafers An apparatus for transferring a predetermined number of semiconductor wafers to a wafer boat charging/discharging unit or to one of an array of vertical type dispersing furnaces via the wafer boat charging/discharging unit. The apparatus is operated by ac... | 01/19/1993 |
| 5167772 | Apparatus for pyrolysis of tires and waste Method and apparatus for pyrolyzing used tires into a char fraction, wire, fiberglass, oil fraction and gas fraction. The tires are continuously conveyed to a preheating chamber where they are heated to a temperature level of 200° F. to 400° F. The heat... | 12/01/1992 |
| 5009856 | Recycling catalyst bed for flue gas treatment A catalyst bed having a mechanism for supporting catalyst blocks for transport through a flue to treat the flue gas, the mechanism functioning to permit removal of blocks from the flue for conditioning or replacement while permitting continuous operation ... | 04/23/1991 |
| 4762073 | Metering feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 08/09/1988 |
| 4740127 | Solid fuel boiler/incinerator fuel feeder A fuel feeder for feeding refuse fuel to a boiler/incinerator which includes a pair of opposed inclined conveyors defining end boundaries of the conveyor, the conveyors being independently driven so that the fuel required for variable firing rates in plur... | 04/26/1988 |
| 4718360 | Metering Feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 01/12/1988 |
| 4705443 | Apparatus for stoking a combustor An apparatus for feeding a combustor with viscous bulk material, particularly coal slurry, comprises two silos which are associated with at least one conveyor system, for transporting the bulk material from the silos to a plurality of fuel-feeders in the ... | 11/10/1987 |
| 4686913 | Refuse derived fuel delivery system and distribution conveyors Apparatus for feeding solid waste material to one or more chargers of the type for forcing solid waste material into a furnace or boiler. An elongated auger housing is mounted above the chargers and includes a plurality of openings along its length and fo... | 08/18/1987 |
| 4669939 | Workpiece charger for heating furnace A workpiece charging unit for a walking beam furnace has an entry table and a charging conveyor positioned exteriorly and interiorly of the entry end opening of the furnace. The charging conveyor can undergo a movement along a generally rectangular path f... | 06/02/1987 |
| 4637327 | Stoking plant for fuel in whole bales A stoking plant for fuel in whole bales, where the bales are conveyed on a transport tract (8) from a store and stoked in the whole condition into one of a number of combustion furnaces (2) with boilers (1), comprises a slide-gate (10) through which a bal... | 01/20/1987 |
| 4616573 | Metering feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 10/14/1986 |
| 4602572 | Metering feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 07/29/1986 |
| 4571137 | Device for supplying solid fuel to a furnace A device for supplying solid fuel to a furnace comprises a cell wheel (16) for receiving fuel portions in the cells (19) open axially. The cell wheel is rotatably mounted between two stationary end walls (12, 13) forming two openings (20, 21) facing each ... | 02/18/1986 |
| 4536120 | Feeding means for feeding solid fuel from a storage silo or equivalent into a solid fuel heating boiler The invention concerns an apparatus for feeding solid fuel from a storage silo or equivalent to a solid fuel-using heating boiler. The feeding apparatus comprises a piston, which has been disposed to carry out a reciprocating motion within a tube which th... | 08/20/1985 |
| 4501526 | Apparatus for conveying a solid or liquid material, especially for charging a shaft furnace The present invention is concerned with a conveying apparatus especially to be used for charging a shaft furnace. The apparatus comprises a transferring device consisting of at least one carriage accommodating at least two skips with open tops. At the upp... | 02/26/1985 |
| 4483651 | Automatic apparatus for continuous treatment of leaf materials with gas plasma The invention provides a novel automatic apparatus for the continuous treatment of wafer materials, e.g. of silicon semiconductor, with gas plasma provided with a plural number of the gas plasma reaction chambers, transfer devices for bringing the wafer m... | 11/20/1984 |
| 4444538 | Automatic log feeder An automatic log feeder is provided which includes a hopper for retaining a plurality of logs. The hopper includes a plurality of generally parallel and vertically arranged compartments which are adapted to each hold a single row of logs. The hopper has a... | 04/24/1984 |
| 4442782 | Feed distributor for multiple hearth furnace A multiple hearth furnace feed distributor including a conical table feeder attached to the center shaft of the furnace for rotation therewith, together with a stationary convolute plow fixed above the conical table feeder.... | 04/17/1984 |
| 4402083 | Electric smelting furnace and associated charging equipment and bins To save space in furnace installations and obtain an optimum continuous charging, an arrangement is disclosed in which electric smelting furnaces are arranged in a furnace bay unilaterally, close to the adjacent ladle bay and the associated charging equip... | 08/30/1983 |
| 4397600 | Device for feeding material to a furnace A device is described for feeding bars and tubes into a treatment furnace. The device comprises a rotary drum positioned in front of a long horizontal opening provided in the sidewall of the furnace for receiving a bar and introducing it into the furnace ... | 08/09/1983 |
| 4315712 | Loading method and device for feeding waste-filled containers into a rotary incinerator A loading method and loading device for feeding waste-filled containers into a rotary incinerator, wherein open topped containers are filled with liquid, pasty, or solid waste materials and are fed sequentially using a reciprocating ram via a slide onto a... | 02/16/1982 |
| 4302143 | Device for filling a container which is under pressure Apparatus for charging solids into a pressurized container having a tubular lock chamber thereon. The apparatus comprises a feed device for supplying solids to the inlet of the lock chamber and a housing mounted adjacent the lock chamber for movement towa... | 11/24/1981 |
| 4274785 | Method and apparatus for charging anode scraps to a converter furnace In the disclosed method and apparatus, an anode scrap pile is formed by piling anode scraps to be of a predetermined height. The anode scrap pile is conveyed to a substantially U-shaped inclinable chute having a rectangular bottom and parallel side walls ... | 06/23/1981 |
| 4274784 | Cupola charging A cupola installation having a top charging opening and a vibratory feeder mounted to discharge into the top opening from one side. The skiphoist associated with the cupola carries two charging buckets, one for discharging charge material into the top cha... | 06/23/1981 |
| 4215966 | Material handling apparatus A material handling apparatus is described, for example, for delivering bags of garbage to an incinerator. The apparatus includes a series of bins for receiving waste material, each bin having an open upper end through which material can be introduced int... | 08/05/1980 |
| 4201129 | Machine for charging furnaces A machine for charging a furnace with scrap to be incinerated comprising a hopper in which bulk scrap to be incinerated is fed and whose bottom opens into the interior of a rectilinear and horizontal tubular body connected at one extremity to the inlet of... | 05/06/1980 |
| 4165971 | Apparatus for the gasification of carbonaceous material A process and apparatus for material processing, in particular for producing gas from carbon-containing material, are disclosed. Feed material comprising particulate material is continuously formed into briquettes and is simultaneously introduced into a p... | 08/28/1979 |
| 4037736 | Dual cylinder reciprocating solids feeder A solids feeder for transporting particulated solids from a solids feed supply into the bottom of a solids upflow vessel. The feeder includes a pair of solids feed chutes, each terminating in a bottom outlet located in essentially the same horizontal plan... | 07/26/1977 |
| 3986624 | Disposal feeding system including selective container control A system including apparatus for automatically and continuously, or intermittently, feeding disposal material such as highly combustible waste plastic in containers such as 55 gallon steel drums or in packages such as 30 gallon sizes into a rotary kiln or... | 10/19/1976 |
