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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7189310 | Coke chute systems and methods therefor Improved coke chute systems (100) include a lock (130) that receives and automatically secures a coke-receiving conduit (110) to a coke vessel after the lock (130) is switched to a closed position. Contemplated systems may further be comb... | 03/13/2007 |
| 7077614 | Sorting/storage device for wafers and method for handling thereof Sorting/storage device for wafers. A sorting device is provided in which at least two cassettes containing wafers may be present and the wafers are moved from one cassette to the other cassette or vice versa. If appropriate, a measuring station may be present in the... | 07/18/2006 |
| 7008163 | Bulk storage bins and methods and apparatus for unloading same One embodiment provides for a material reclaiming apparatus for use with a bulk storage bin. The bulk storage bin includes a bottom which defines an elongated plurality of outlet openings from the storage bin. The material reclaiming apparatus includes a plurality o... | 03/07/2006 |
| 6915896 | Cleaning drain apparatus for an auger assembly A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ... | 07/12/2005 |
| 6435474 | Non-contaminating gas-tight valve for semiconductor applications A non-contaminating gas-tight valve for controlling a flow of granular polysilicon. The valve has a spherical valve member formed from single-crystal polysilicon, so that any particles worn from the valve member during use will be non-contaminating polysi... | 08/20/2002 |
| 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 |
| 5947674 | Coking vessel unheading device and support structure An unheading device for removable attachment onto a lower flanged opening of a vertically-oriented vessel such as a coking drum, the unheading device being controllably supported by multiple elongated vertically-extendable actuators such as hydraulic cyli... | 09/07/1999 |
| 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 |
| 5628603 | Automated chute system The inlet of a coke chute is pushed upwards by a plurality of actuators until it encompasses the bottom outlet of a coking vessel. The inlet is preferably surrounded by a skirt which tapers inwardly from top to bottom, and the entire chute is preferably r... | 05/13/1997 |
| 5500094 | Coke drum deheading device A vessel unheading device and method especially suited to handle shot coke produced in a delayed coker unit of a petroleum refining process. The device includes a car having mounted thereon one or more bottom head retracting support members which can be l... | 03/19/1996 |
| 5288195 | Incinerator ash dumping container A dumping container for collecting, transporting and dumping primarily ashes removed from an incinerator. A pair of pivoted fore and aft frame members, of hollow box like crossection engage the tines of a manual cable operated hoist. The cable hoist provi... | 02/22/1994 |
| 5114685 | Catalyst recovery trough for unloading multi-tube reactors with maximum dust containment A catalyst trough containing multiple guide tubes in registry with the tubes of a multi-tube catalytic reactor is utilized to unload catalysts therefrom with maximum dust containment and maximum catalyst recovery. The catalyst recovery trough contains an ... | 05/19/1992 |
| 4994241 | Catalyst recovery through and process for unloading multi-tube reactors with maximum dust containment A catalyst trough containing multiple guide tubes in registry with the tubes of a multi-tube catalytic reactor is utilized to unload catalysts therefrom with maximum dust containment and maximum catalyst recovery. The catalyst recovery trough contains an ... | 02/19/1991 |
| 4832154 | Buffer stop device for a side loading furnace A buffer stop for an opening on a side-loading and side unloading furnace is mounted on a parallelogram linkage connected with a fixed support and is moved into position and out of position by the movement of a counterweight along a shaft on a member of t... | 05/23/1989 |
| 4822229 | Installation for charging a shaft furnace An installation for charging a shaft furnace equipped with a distribution spout, several storage containers, a sluicing system and a valve cage is presented. The containers are arranged next to each other and are horizontally displaceable between a first ... | 04/18/1989 |
| 4813179 | Process for the cocurrent gasification of coal The invention relates to the cocurrent gasification of coal and to a gas generator. The gas generator (11) comprises a vertical sealed vessel, the lower third of which is divided into several identical vertical compartments (12). Coal is loaded at the top... | 03/21/1989 |
| 4779287 | Tiltable metallurgical furnace vessel In a tiltable metallurgical furnace vessel having a completely closed lateral protrusion with a closable discharge opening on its underside, simplified furnace structure is achieved by configuring the protrusion as a removable, heatable fore-hearth that i... | 10/18/1988 |
| 4737062 | Apparatus for the controlled removal of flowable bulk material at the underside of a bulk-material column, especially a migrating-bed filter An apparatus for removing flowable bulk material from the underside of a bulk-material column includes a container for bulk material conducting gaseous or vaporous media to be scrubbed upward through the column opposite the bulk-material flow for eliminat... | 04/12/1988 |
| 4715763 | Dry ash removal system A hopper for use in a dry ash removal system is structured with a front elevational profile which converges from top to bottom while the side elevational profile of same diverges from top to bottom to allow substantially uniform hopper cross-sectional are... | 12/29/1987 |
| 4604019 | System for removing solids from a solids upflow vessel An apparatus for removing solids from a solids upflow vessel, preferably an upflow retort, which includes a horizontally reciprocatable carriage containing a vertical feed cylinder that extends downward from a horizontal seal plate. A vertically reciproca... | 08/05/1986 |
| 4455762 | Glass batch pellet production and drying process and apparatus In a rotary apparatus for the production of layered glass batch pellets there is provided a dryer for final drying of the pellets prior to their being fed to a melting furnace.... | 06/26/1984 |
| 4431406 | Rotary hearth furnace plant The rotary hearth furnace plant for heating granular high-carbon solids comprises an approximately funnel-shaped hearth, which rotates on a vertical axis and has a central outlet, which is disposed over a rotary table, on which the heated solids are moved... | 02/14/1984 |
| 4416624 | Vertical tunnel kiln A vertical tunnel kiln (10) comprising a firing kiln (30) having a interior core (42) supporting a spiral chute (46) attached to the periphery of the core (42). A vibratory bowl feeder (20) automatically feeds parts (100) individually to the upper end (24... | 11/22/1983 |
| 4408944 | Conveyor for removal of bed drain material from a coal-burning fluidized bed combustor The invention provides a conveyer for receiving bed drain material from a coal-burning fluid bed combuster and consists of a jacketed water cooled casing in which is a helical flight for conveying said material, the flight being mounted on an outer tube w... | 10/11/1983 |
| 4279749 | Collar for cake discharge chute of rotatable disc filter A collar for fitting over the upper end of the cake discharge chute of a rotatable disc filter, or the like. The collar has a plurality of downwardly and inwardly sloping walls which substantially reduce any tendency for cake to stick to the sides of the ... | 07/21/1981 |
| 4243382 | Material distributing means for rotary drum type heat treatment apparatus Rotary drum type heat treatment apparatus having a rotary drum rotatable about a longitudinal axis. The drum has an outlet end and the apparatus includes a cooling section having a movable grate with one end disposed beneath the outlet end of the rotary d... | 01/06/1981 |
| 4138022 | Furnace top charging apparatus The present invention is concerned with a novel furnace top charging apparatus, especially of the bell-less type, having a rotating distribution chute, wherein there is provided a portal truck serving as a stand on a floor under chuting bunkers, which nor... | 02/06/1979 |
| 4106642 | Coke pushing device A device for moving coke away from the coke guide and leveling coke in a one-spot quench car is disclosed. A plow is mounted on a coke guide car just below the exit end of the coke guide. The plow is connected to extension apparatus to project it outward ... | 08/15/1978 |
| 4096041 | Single-spot quench car An arrangement adapting a slatted top to a single-spot quench car. The slats are opened and closed in selected groups.... | 06/20/1978 |
| 4094629 | Vertical kiln apparatus The apparatus of this invention is a vertical shaft kiln designed for firing aggregate materials. In a specific application the kiln is used to fire limestone aggregate (crushed limestone) to produce lime. The kiln chamber in this apparatus is defined by ... | 06/13/1978 |
| 4085852 | Method and apparatus for determining the covering of a coke wharf with quenched coke A wharf for receiving glowing coke, comprises an inclined receiving ramp which has a plurality of non-conducting areas and conductive plates interposed in the conductive areas at spaced locations. An electrical circuit control means is connected to each o... | 04/25/1978 |
| 3933103 | Sluice for combustion furnaces as rotary kilns A sluice arrangement for sluicing out clinker and uncombusted residue from combustion furnaces such as rotary kilns and the like. A steel plate duct having a cross-section at least equal to that of an ash pit is attached to the lower end of the ash pit in... | 01/20/1976 |