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| Number | Title | Issue Date |
| 6099229 | Coal charging car for charging chambers in a coke-oven battery A coal charging car for a coke-oven battery has a screw-type feeder beneath the coal hopper shiftable on the chassis of the car to allow positioning of the outlet of that feeder over the hole communicating with the coking chamber without moving the car.... | 08/08/2000 |
| 5564340 | Coke oven rail car with drive control system for positioning the car and door extractor which compensates for thermal distortion of oven jambs A coke oven door extractor is mounted on the rail car and includes door engaging supports movable in individually differing amounts relative to a plane parallel to and including the door jamb and a door jamb height axis of symmetry and movable vertically,... | 10/15/1996 |
| 5447106 | Coke oven rail car with drive control system for positioning the car having gross and fine positioning drinks A coke oven rail car with a drive control system for positioning the car and for spotting the functional equipment carried by the car. A sensor determines the relative position of the car with respect to a selected oven in a coke oven battery. The car inc... | 09/05/1995 |
| 4984952 | Charging appliance for melting units A charging appliance for melting units that work under vacuum or under protective gas atmosphere includes a charging shovel, for holding charging stock, attached to a carriage which transports the charging stock to an advanced position inside the melting ... | 01/15/1991 |
| 4836732 | Method and apparatus for continuously charging a steelmaking furnace An apparatus and method for charging a melting furnace having a charging opening in its sidewall, in which a closed housing contains a vibrating pan having an intergal discharge chute adapted to extend into the charging opening in the furnace sidewall; an... | 06/06/1989 |
| 4472618 | Lumber cart and electrode for dielectric drying kiln A lumber cart for use in a dielectric drying kiln, in which the cart is comprised of a wheeled, horizontal frame, a flat bed of electrically conductive material, preferably aluminum, carried on top of the frame, and one or more electrical leads or termina... | 09/18/1984 |
| 4453876 | Fireplace log and coal feeder Apparatus for delivering solid fuel into a fireplace safely and easily includes a fuel supporting rack which may be pivoted between a horizontal fuel supporting position to a downwardly angled unloading position by means of a control lever having its oper... | 06/12/1984 |
| 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 |
