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| Number | Title | Issue Date |
| 5738510 | Rotary kiln cooler An annular cooler for a rotary kiln having a series of tubes longitudinally extending parallel to the axis of kiln and radially spaced therefrom. The tubes have flights mounted therein for carrying and moving clinkers discharged from the lower end of the ... | 04/14/1998 |
| 5507639 | Heat treatment apparatus and method thereof Nozzles that blow an air are disposed in a space between an outer wall of a process tube and a heat generating resistor. The openings of the nozzles are oriented to the process tube corresponding to an arrangement area of semiconductor wafers. An air blow... | 04/16/1996 |
| 5297622 | Method for cooling of dust separated from the flue gases from a PFBC plant A method is provided for cooling of particulate material from a combustion plant, especially intended for cooling of fine-grained dust which has been separated from the flue gases from a PFBC power plant, and in which the material is transported pneumatic... | 03/29/1994 |
| 4253823 | Procedure and apparatus for baking carbon bodies In the baking of carbon anodes (for aluminum reduction cells) or the like, in so-called ring-type furnaces where green carbon bodies are deposited in pits, each of which is circumstanced successively for preheating stages, one or more baking stages, and c... | 03/03/1981 |
| 4131418 | Tube coolers for rotary kilns An attached tube cooler for a rotary kiln for cooling solid particulate material discharged from the kiln. The cooler includes a plurality of cylindrical vessels attached to and circumferentially spaced around the discharge end of the kiln for rotation th... | 12/26/1978 |
