| Patents for F27B 14 - Crucible or pot furnaces; Tank furnaces (4,425) |
|---|
| 11/29/1977 | US4060692 Induction melting furnace |
| 11/15/1977 | US4058668 Cold crucible |
| 10/25/1977 | US4055391 Crucible |
| 10/04/1977 | US4052153 Heat resistant crucible |
| 09/20/1977 | US4049250 Crucible |
| 09/20/1977 | US4049249 Tiltable converter |
| 09/13/1977 | US4047938 Process for refining molten metal |
| 08/16/1977 | US4042318 Apparatus for the continuous melting of salts used for modifying the properties of articles of glass or similar materials |
| 08/09/1977 | US4040610 Apparatus for refining molten metal |
| 07/05/1977 | US4033564 Crucible for melting, heat retention and pouring of metals |
| 06/07/1977 | US4028096 Method of melting metals to reduce contamination from crucibles |
| 05/17/1977 | US4024338 High temperature heat insulation |
| 05/03/1977 | US4021026 Protection for externally heated cast iron vessel used to contain a reactive molten metal |
| 02/22/1977 | US4008993 Method of preheating the wall of a furnace channel and article for generating circulation of heated air for preheating the wall of a furnace channel |
| 02/08/1977 | US4006891 Crucible for melting super-alloys |
| 01/25/1977 | US4004793 Dual holding furnace |
| 12/21/1976 | US3998440 Furnace vessels |
| 12/07/1976 | US3996412 Aluminum melting furnace |
| 10/19/1976 | US3987236 Arrangement on electric induction furnaces for the determination of the filling level of the liquid melting material |
| 09/28/1976 | US3982889 Preheating system for aluminum remelt furnace |
| 09/14/1976 | US3980742 Protection for externally heated cast iron vessel used to contain a reactive molten metal |
| 07/27/1976 | US3971548 Metallurgical furnace having a blast injection nozzle |
| 07/13/1976 | US3969068 Method for coal firing glass furnaces |
| 03/16/1976 | US3944715 Induction crucible furnace |
| 01/06/1976 | US3930786 Apparatus for heating steel scrap |