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| Number | Title | Issue Date |
| 5560550 | Dry solids pump system for feeding a high pressure combustor A method for feeding a dry pulverized solid material such as coal or limestone into a high pressure combustor is disclosed which employs a high pressure combustor is disclosed which employs a high pressure dry solids pump. The material is first pulverized... | 10/01/1996 |
| 5343819 | Corn furnace A corn furnace comprises a hopper for storing corn to be burned, and a combustion chamber in which corn is burned in a pot of fire to produce heat. An endless screw, supplying corn from the dispensing bottom of the hopper to the combustion chamber, compri... | 09/06/1994 |
| 5197684 | Device for tearing-up and stoking straw A device for tearing-up and stoking straw into a burner unit. A reciprocating slide is provided under a magazine shaft for straw bales, the slide having mutually staggered teeth on its upper side in a forward part of the slide and elongated fins extending... | 03/30/1993 |
| 4702177 | Waste product feeder A waste product feeder in which when waste products are charged through a hopper into a trough are transported by a screw and then discharged, they are successively scraped by a scraper in a predetermined quantity or volume.... | 10/27/1987 |
| 4646662 | Overfeed stoker A fuel stoker for removable attachment to the access port of a solid fuel furnace has a bin for receiving fuel such as coal and a chamber carrying a piston, located at the bottom of the bin, for periodically throwing a charge of coal on top of a fire. A s... | 03/03/1987 |
