| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
|---|
| 05/01/1979 | CA1053471A1 Selective reduction of oxidized ore |
| 04/17/1979 | US4149898 Decomposition of smelted metallurgical slag by ultrasonic or high frequency vibration |
| 04/17/1979 | CA1052575A1 Method and apparatus for granulating |
| 04/17/1979 | CA1052568A1 Slag pot carrier |
| 04/10/1979 | CA1052102A1 Slag bath generator adapted to operate under pressure |
| 04/03/1979 | US4147332 Method for recovering heat from molten slag and an apparatus therefor |
| 03/22/1979 | WO1979000132A1 Process and device for the granulation of molten materials |
| 02/27/1979 | US4141722 Method of treating ferruginous slags |
| 02/08/1979 | WO1979000055A1 A method for the manufacture of an additive material for the production of crude iron |
| 01/30/1979 | US4137071 Oxides of calcium, magnesium, sodium, silicon and aluminum, calcium fluoride |
| 01/16/1979 | US4134755 Method for removing zinc type metals and compounds in dust recovery process in iron manufacture |
| 12/26/1978 | US4131453 Pyrometallurgical brass production |
| 12/26/1978 | US4131265 Slag pots |
| 11/28/1978 | US4127399 Method of making granulated slag |
| 11/07/1978 | US4124405 Process for solidifying aqueous wastes and products thereof |
| 10/31/1978 | US4123257 Method of treating a plating sludge |
| 10/31/1978 | US4123247 Prefoaming trough |
| 09/19/1978 | US4115089 Process and apparatus for making expanded slag |
| 09/12/1978 | US4113239 Apparatus for cooling slag |
| 09/05/1978 | US4111159 Recovery of heat from molten slag from metallurgical processes |
| 08/29/1978 | US4110107 Process for reducing molten furnace slags by carbon injection |
| 08/22/1978 | CA1036816A1 Method and apparatus for removing slag from molten metal by suction |
| 08/08/1978 | US4105439 Method for production of refined steel |
| 08/08/1978 | US4105130 Receptacle transporting vehicle |
| 07/25/1978 | US4102680 Device and method for suppressing active slag |
| 07/25/1978 | US4102675 Method of treating molten slags in steel making process |
| 04/04/1978 | US4082252 Method and system for processing molten slag |
| 02/28/1978 | US4076521 Method for continuously blowing materials into molten slags |
| 02/14/1978 | US4073641 Selective reduction of nickel ore with a low nickel content |
| 01/31/1978 | US4071355 Recovery of vanadium from pig iron |
| 12/20/1977 | US4063930 Preparation of weatherable ferrite agglomerate |
| 12/20/1977 | US4063658 Slag pot carrier |
| 12/13/1977 | US4062672 Process for improving the fragmentation capability of metallurgical slags and cinders |
| 12/13/1977 | US4062531 Ferruginous slag oxidizing apparatus |
| 10/25/1977 | US4055251 Portable blast furnace slag beneficiating plant |
| 10/04/1977 | US4052196 Method and apparatus of moistening charge material for an ore-dressing plant |
| 09/27/1977 | US4050884 Slag waste heat boiler |
| 09/20/1977 | US4049439 Cooling in a revolving cylinder, reducing disulfide ion concentration |
| 09/13/1977 | US4047934 Heating, molten salt bath |
| 09/06/1977 | US4046542 Method and device for granulating blast furnace slag |
| 09/06/1977 | US4046541 Slag quenching method for pyrolysis furnaces |
| 08/23/1977 | US4043766 Fine-grain fuel |
| 08/16/1977 | US4042410 Method for defoaming molten slag |
| 08/02/1977 | US4039173 Aluminum dross recovery method |
| 07/05/1977 | US4033760 Aluminum nitrides, oxides |
| 06/28/1977 | US4032327 Pyrometallurgical recovery of copper from slag material |
| 06/21/1977 | US4031189 Coking, filter aids |
| 04/19/1977 | US4018680 Process for separating iron, zinc and lead from flue dust and/or flue sludge |
| 04/19/1977 | US4018588 Method and apparatus for handling slag handling |
| 03/29/1977 | US4014682 Process for the production of elemental phosphorus and iron from phosphate rock |
| 03/22/1977 | US4013454 Coproduction of iron with methanol and ammonia |
| 03/22/1977 | US4013427 Gasifying fine-grained fuel |
| 03/01/1977 | US4009790 Side-dumping slag pot carrier |
| 02/22/1977 | US4009024 Process for regeneration and reuse of steelmaking slag |
| 01/04/1977 | US4001011 Pyrometallurgical recovery of iron from iron silicate slags |
| 11/09/1976 | US3990820 Apparatus for discharging hot liquid material from a pressure vessel |
| 11/02/1976 | US3989513 Method for the treatment of red mud |
| 03/02/1976 | US3941585 Process for cooling slag and inhibiting pollutant formation |
| 02/17/1976 | US3938975 Spraying with ferrous chloride or ferrous sulfate, cooling, solidification |
| 01/20/1976 | US3934107 Process for repairing slag ladles |