| Patents for F27B 14 - Crucible or pot furnaces; Tank furnaces (4,425) |
|---|
| 10/04/1991 | CA2039674A1 Vacuum melting furnace |
| 10/01/1991 | US5054033 Tiltable arc furnace |
| 09/04/1991 | CN2084185U Automatic chain type capsule stove |
| 08/27/1991 | US5042964 Flash smelting furnace |
| 08/27/1991 | US5042561 Apparatus and process for countergravity casting of metal with air exclusion |
| 08/22/1991 | WO1991012477A1 High temperature diffusion furnace |
| 08/21/1991 | EP0442345A2 Induction heated furnace for melting metal |
| 08/21/1991 | CN2083279U Double-safety quick-start salt-bath furnace |
| 08/13/1991 | US5039345 Fiber composite article and method of manufacture |
| 08/07/1991 | EP0439900A2 Induction heating apparatus and method |
| 08/07/1991 | CN1013459B Inductive sintering furnace for cloisonne |
| 08/06/1991 | US5038019 For semiconductor |
| 07/31/1991 | CN2081959U Electric furnace for heating crucible |
| 07/24/1991 | EP0438366A1 Inductor for an induction furnace, comprising a liquid-cooled tube |
| 07/17/1991 | CN2081073U Lead sealing device for lead blast furnace |
| 07/09/1991 | US5031229 Deposition heaters |
| 07/09/1991 | CA1285762C Plug for a refining apparatus |
| 07/03/1991 | WO1991010105A1 Flash smelting furnace |
| 07/03/1991 | CA2072879A1 Flash smelting furnace |
| 07/02/1991 | US5028248 Method of melting materials and apparatus therefor |
| 06/26/1991 | EP0434421A2 Protective layer for linings in metallurgical furnaces and the like |
| 06/12/1991 | CN1012839B Apparatus for heat preservation of melted metal |
| 06/05/1991 | EP0429978A1 Method of and apparatus for continuously discharging molten metal and slag |
| 06/04/1991 | US5022044 Directly heatable crucible for induction melting furnaces |
| 05/29/1991 | EP0428727A1 Vacuum induction furnace |
| 05/14/1991 | US5015178 Melting furnace |
| 05/08/1991 | CN1051132A Apparatus and process for countergravity casting of metal with air exclusion |
| 05/07/1991 | CA1283845C Burner design for melting glass batch and the like |
| 04/30/1991 | US5012488 Crucible for inductive heating |
| 04/24/1991 | EP0423579A1 Cleaning device for charging- and discharging-casting siphons of a furnace |
| 04/24/1991 | CN2075767U Continuesly smelting furnace for coke nonferrous metals |
| 04/24/1991 | CN1050904A Protective lining for aluminum refinning vessel |
| 04/10/1991 | EP0271578B1 Method for meltin metal in an induction plasma furnace |
| 04/10/1991 | CN2074895U Composite main electric pole salt bath furnace |
| 04/10/1991 | CN2074768U Heat zinc-plating device |
| 04/02/1991 | CA1282485C Induction furnace packaging system |
| 03/27/1991 | CN2073881U Hot tube type coaling isothermal quenching salt-bath furnace |
| 03/20/1991 | EP0417734A1 Protective lining for aluminum refining vessel |
| 03/14/1991 | WO1991004348A1 Deposition heaters |
| 03/14/1991 | CA2066573A1 Deposition heaters |
| 03/08/1991 | CA2021112A1 Process for preventing contamination for high temperatures melts |
| 03/05/1991 | US4997474 Reduction of silicon dioxide with silicon carbide |
| 02/26/1991 | US4996402 Method and apparatus for continuously melting material by induction heating |
| 02/26/1991 | US4995595 Smelting crucible |
| 02/19/1991 | US4993689 Convertor for continuously melting scrap with tapping means |
| 02/05/1991 | US4989843 Retaining structure for refractory lining in high temperature vessel |
| 02/05/1991 | US4989842 Device for charging and discharging a tilting smelting furnace with a removable crucible |
| 01/30/1991 | EP0410829A1 Process for heating a metallic bath |
| 01/30/1991 | EP0410026A1 Induction furnace |
| 01/30/1991 | CN2070430U Wall heating type hot coating furnace |
| 01/29/1991 | US4989218 Induction heating type metal melting furnace |
| 01/29/1991 | CA2021303A1 Heating process for a metal tank |
| 01/23/1991 | CN2069995U Energy-saving efficient purification asphalt heating kettle |
| 01/23/1991 | CN1048751A Metallic crucible made of anticorrosion composite material |
| 01/22/1991 | CA1279188C Melting furnace having a rotary drum which can be inclined to slope to either end swivelled about a vertical axis |
| 01/15/1991 | US4984952 Charging appliance for melting units |
| 01/09/1991 | EP0407240A1 Device and aluminothermic welding, crucible and its structure entering crucible covering cap |
| 01/09/1991 | CN1048450A Salt-bath furnace with hidden and changeable electrodes |
| 01/03/1991 | DE4020612A1 Low pressure melting furnace - uses compressed gas to drive molten metal into mould |
| 12/12/1990 | EP0197137B1 Furnace cooling system and method |
| 11/28/1990 | EP0399928A1 Cold crucible with bottom emptying |
| 11/22/1990 | EP0398821A2 Segmented induction skull melting crucible and method |
| 11/20/1990 | US4971772 High-purity lining for an electric low shaft furnace |
| 11/20/1990 | CA1276471C Process and lance for the production of a bath of molten metal or alloys |
| 11/15/1990 | WO1990013781A1 Vacuum induction furnace |
| 11/15/1990 | WO1990013381A1 Induction melting and casting furnace |
| 11/08/1990 | CA2014956A1 Segmented induction skull melting crucible and method |
| 10/31/1990 | CN1046597A Inductive sintering furnace for cloisonne |
| 10/25/1990 | DE3912928A1 Enclosed electroslag remelting furnace - with upper and lower part and movable valve disc |
| 10/17/1990 | EP0392068A1 Vacuum induction furnace |
| 10/17/1990 | EP0392067A1 Vacuum induction furnace |
| 10/17/1990 | EP0392066A1 Vacuum induction furnace |
| 10/17/1990 | CN1010004B Combustor design for materials i.e. the melting glass charge |
| 10/10/1990 | EP0391067A2 Device with a metallic crucible |
| 10/09/1990 | US4961772 Method and apparatus for continuously melting glass and intermittently withdrawing melted glass |
| 10/02/1990 | CA1274873A1 Furnace bottom heating |
| 09/26/1990 | CN1009758B Cold hearth melting configuration and method |
| 09/12/1990 | CN2062032U Main-electrod directly starting immersion salt-bath furnace |
| 09/05/1990 | EP0384987A1 Method and apparatus for continuously heating and melting material |
| 09/04/1990 | US4953977 Electrothermal atomization furnace |
| 08/29/1990 | CN2061266U Multilayer composite aluminium (zinc) melting kettle |
| 08/22/1990 | CN1009256B Smelting-casting equipment and method for aluminium lithium alloy |
| 08/08/1990 | CN2060214U Building block type high-frequency cold crucible |
| 07/31/1990 | US4944674 Apparatus for heating a vessel |
| 07/24/1990 | CA1271977A1 Cold hearth melting configuration and method |
| 07/17/1990 | US4941647 Protective lining for aluminum refining vessel |
| 07/05/1990 | DE3844273A1 Melting and casting installation |
| 06/19/1990 | CA1270370A1 Induction furnace with a furnace bottom and lid |
| 06/13/1990 | DE3841521A1 Furnace for HIP installations |
| 06/05/1990 | US4931415 Metal melting crucible |
| 05/23/1990 | EP0369642A2 Method of melting materials |
| 05/16/1990 | EP0368633A2 Apparatus for and method of heating a vessel |
| 05/15/1990 | US4926439 Process for preventing contamination of high temperature melts |
| 05/10/1990 | DE3906244C1 Directly heatable, pot-shaped crucible, in particular for the hot extraction of metallic specimens |
| 05/08/1990 | US4923508 Segmented induction skull melting crucible and method |
| 05/03/1990 | DE3836632A1 Refractory lining material based on alkaline earth metal silicate and process for the production thereof |
| 05/01/1990 | US4921222 Fiber composite article and method of manufacture |
| 05/01/1990 | US4920899 Modular furnace and methods of repairing same |
| 04/25/1990 | CN1041649A Refractory clad lid for heating vessel |
| 04/04/1990 | EP0361261A2 Refractory clad lid for heating vessel |