| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 05/17/1977 | US4023832 Apparatus for the transmission of heated fluid |
| 05/17/1977 | US4023782 Tuyere stock and compensator joint therefore |
| 05/10/1977 | US4022739 Composition for plugging blast-furnace tap-hole |
| 04/26/1977 | US4019847 Apparatus for forming a refractory lining for a container |
| 04/26/1977 | US4019725 Gas seal and silencer for use on tuyere body |
| 04/19/1977 | US4019130 Method for measuring wear of cooling cell assembly |
| 04/12/1977 | US4017316 Fireproof stamping mass for tap spouts and flues in blast furnaces |
| 03/22/1977 | US4013454 Coproduction of iron with methanol and ammonia |
| 03/01/1977 | US4009871 Metallurgical furnace |
| 03/01/1977 | US4009870 Metallurgical shaft furnace |
| 02/15/1977 | US4008194 Compositions for plugs of refractory material |
| 02/08/1977 | US4007025 Apparatus for cleaning stack gas and using same for generation of electric power |
| 01/25/1977 | US4004791 Preshaped blast furnace hearth construction |
| 01/25/1977 | US4004790 Plate-type radiator suitable for shaft furnaces, particularly for blast furnaces, and a method for fabrication of this radiator |
| 01/18/1977 | US4003558 Supporting structure for blast furnaces |
| 01/04/1977 | US4000886 Furnace exhaust duct |
| 12/14/1976 | US3997194 Compensator connection for tuyere stock |
| 12/07/1976 | US3995687 Water cooling system for a shaft type furnace |
| 11/30/1976 | US3994738 Composition suitable for use in the plugging of the tapholes of a metallurgical furnace |
| 10/05/1976 | US3984091 Piston ring arrangement for a taphole gun |
| 10/05/1976 | US3984089 Cooled refractory lined shaft furnace and stave-cooler to be used therefore |
| 09/14/1976 | US3980286 Tuyere feed lines |
| 08/31/1976 | US3977660 Blast-furnace tuyere having excellent thermal shock resistance and high durability |
| 08/10/1976 | US3973761 Furnace tapping apparatus |
| 08/03/1976 | US3972426 Device for charging materials into blast furnace |
| 07/20/1976 | US3970291 Method of preventing occurrence of pulsation in a circulating liquid for evaporative cooling |
| 07/20/1976 | US3970290 Arrangement for feeding |
| 06/29/1976 | US3966179 Apparatus for evaporative cooling of metallurgical plants |
| 06/29/1976 | US3966062 Apparatus for charging raw materials into blast furnaces |
| 06/15/1976 | US3963128 Charging device for a blast-furnace |
| 05/11/1976 | US3955693 Method and apparatus for cooling and cleaning the sealing surface of a valve |
| 05/04/1976 | US3954254 Metallurgical furnace |
| 04/27/1976 | US3953008 Blast furnace evaporative cooler |
| 04/27/1976 | US3953007 Wall construction of a shaft furnace |
| 03/02/1976 | US3941359 Apparatus for direct reduction of iron oxides |
| 02/17/1976 | US3938791 Device for plugging tap-holes of reactors for metallurgical processes |
| 02/17/1976 | US3938743 Adjustably positionable supersonic nozzle means |
| 02/10/1976 | US3937449 Liquid-fuel atomization and injection device |
| 01/13/1976 | US3932173 Inductially heated gas lift pump action method for melt reduction |