| Patents for F27B 14 - Crucible or pot furnaces; Tank furnaces (4,425) |
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| 03/28/1990 | EP0360535A2 Glass melting furnace, and method of operating a furnace |
| 03/07/1990 | EP0357395A2 A silicon smelting process and a furnace therefor |
| 02/20/1990 | CA1265930A1 Sample preparation machine |
| 02/07/1990 | CN1039447A Process for heating steel melts as well as device for performing this process |
| 01/30/1990 | US4897852 Silicon smelting process |
| 01/23/1990 | US4895594 Or pig iron, sub-stoichiometric burners, combustion, discharging, ladles, tapholes, preferential, rotation |
| 01/03/1990 | EP0349405A1 Process and installation for the microwave melting of a material corrosive at an elevated temperature |
| 01/03/1990 | CN2050578U Electrothermal furnace for melting rosin |
| 01/03/1990 | CN2050577U Asphalt heating kettle |
| 12/21/1989 | DE3820714A1 Crucible for molten silicon |
| 12/13/1989 | EP0345542A2 Cold smelt crucible |
| 12/13/1989 | EP0345541A2 Construction process for a cold smelt crucible |
| 12/05/1989 | US4884788 Evaporation vessel |
| 11/01/1989 | CN2046998U Electrode arm self-circulation cooling device for salt-bath furnace |
| 11/01/1989 | CN2046997U Power-frequency channel induction furnace for smelting aluminium |
| 10/25/1989 | CN1036521A Smelting-casting equipment and method for aluminium lithium alloy |
| 10/18/1989 | EP0337391A2 Boron nitride containing vessel having a surface coating of titanium-iron-silicon thereon |
| 10/18/1989 | CN2046303U Horizontal rotary single rod resistance furnace |
| 10/17/1989 | US4874313 Refractory clad lid for heating vessel |
| 10/10/1989 | US4873698 Induction furnace crucible |
| 10/10/1989 | US4872907 Metal chip furnace charge apparatus and method |
| 09/26/1989 | CA1261147A1 Containers for molten metal |
| 09/26/1989 | CA1260363A1 Method and device for producing a block of polycrystalline semi-conducting material |
| 09/20/1989 | CN2044711U Directly heated far infrared electric founding furnace for metals of low smelting point |
| 09/13/1989 | EP0331822A1 Ladle lid |
| 09/08/1989 | WO1989008230A1 Furnace for making and delivering melts |
| 08/31/1989 | DE3805226A1 Melting crucible with exhausting device |
| 08/29/1989 | US4861001 Melting retort and method of melting materials |
| 08/23/1989 | EP0329485A2 Linings for crucible furnaces and transfer vessels and method of applying same |
| 08/23/1989 | EP0329378A2 Vacuum heat treating furnace |
| 08/23/1989 | CN2043332U Medium and small sized energy saving ore heating furnace |
| 08/15/1989 | CA1258377A1 Process and device for the fusion of light metals |
| 08/01/1989 | US4853941 D.C. arc furnace having electrically conductive hearth and method for making same |
| 07/18/1989 | US4848751 Lance for discharging liquid nitrogen or liquid argon into a furnace throughout the production of molten metal |
| 07/18/1989 | CA1257473A1 Furnace cooling system and method |
| 06/28/1989 | CN1033529A Process for continuously melting scrap as well as apparatus for performing this process |
| 06/21/1989 | EP0321443A2 Process and installation for continuously melting scrap |
| 06/13/1989 | US4839904 Apparatus for the melting of metals |
| 06/06/1989 | US4836732 Method and apparatus for continuously charging a steelmaking furnace |
| 05/30/1989 | US4834346 Ladle lid arrangement |
| 05/10/1989 | EP0314807A1 Molten metal container |
| 05/09/1989 | US4828490 Furnace for dental workpieces |
| 04/18/1989 | US4823263 Apparatus for controlling the operation of tipping a melting crucible |
| 04/12/1989 | EP0311506A1 Crucible for an induction furnace |
| 04/12/1989 | EP0310604A1 Arrangement in steel manufacturing by means of inductive stirring |
| 04/04/1989 | US4817918 Apparatus for filtering molten scraps of metal for regeneration |
| 03/23/1989 | DE3828895A1 Melting apparatus |
| 02/22/1989 | CN2033109U Sloping energy-saving resistance smelter |
| 02/21/1989 | US4806156 Process for the production of a bath of molten metal or alloys |
| 02/16/1989 | DE3725173A1 Hot-repair method on channel induction furnaces for molten metals |
| 01/25/1989 | EP0300907A1 Process and lance for the production of a bath of molten metal or alloys |
| 01/25/1989 | EP0300411A2 Melting retort and method of melting materials |
| 01/25/1989 | CN2031504U 高效坩埚 Efficient crucible |
| 01/24/1989 | US4799532 Method of making a crucible and melting reactive metal alloys |
| 01/11/1989 | CN2030705U Multi-functional medical vacuum titanium-casting furnace |
| 01/11/1989 | CN1030220A Heating vessel lid construction |
| 01/04/1989 | EP0297406A1 Heating vessel lid construction |
| 12/21/1988 | CN88203944U Calcinator with two type of calcination |
| 12/14/1988 | CN88201518U Feed device for electron bombardment furnace |
| 12/07/1988 | CN87102657A Industrial frequency electric resistance induction furnace |
| 12/06/1988 | US4789506 Method of producing tubular ceramic articles |
| 11/29/1988 | US4787986 Crucibles |
| 11/17/1988 | WO1988008831A1 Boron nitride ceramics and molten metal container composed of members made of said ceramics |
| 11/03/1988 | DE3713153A1 Emergency dumping pit for liquid-cooled metal-melting units |
| 11/01/1988 | CA1243843A1 Apparatus and method for maintaining the temperature of molten metal |
| 10/25/1988 | US4780042 Melting crucible tilting mechanism |
| 10/04/1988 | US4775565 Vessel for refractory use having multi-layered wall |
| 09/28/1988 | CN87217193U High-temperature salt bath annealing stove |
| 09/07/1988 | EP0192682A4 Method and apparatus for flame generation. |
| 08/30/1988 | US4767452 Continuous heating and agitation in melt vessel |
| 08/17/1988 | EP0143822B1 Composite refractory product |
| 08/17/1988 | CN88212082U Heating furnace for gravel and pitch |
| 08/16/1988 | CA1240727A1 High frequency induction melting furnace and process for the production of ceramic materials using this furnace |
| 08/10/1988 | CN86108434A Plastic formation method for making iridium crucible |
| 08/03/1988 | EP0276544A1 Method for induction melting reactive metals and alloys |
| 08/02/1988 | US4761528 High frequency induction melting furnace |
| 06/22/1988 | EP0271578A1 Method for meltin metal in an induction plasma furnace |
| 06/08/1988 | EP0269735A1 Induction plasma furnace |
| 05/31/1988 | US4747772 Burner design for melting glass batch and the like |
| 05/31/1988 | US4747583 Apparatus for melting metal particles |
| 05/25/1988 | CN87211130U Thin sheet salt furnace lining made of silicon carbide with cover |
| 05/25/1988 | CN86107874A Manufacture method of magnesium crucible of electric induction furnace |
| 05/19/1988 | DE3637848A1 Induction furnace with clearing machine |
| 05/18/1988 | CN87203863U Roasting unit for oxidate powder |
| 05/18/1988 | CN86105723A Production method of the purified platinum family metals and their alloys |
| 05/11/1988 | DE3636661A1 Process for reducing metal oxides and plant for carrying out the process |
| 05/04/1988 | EP0265531A1 Metal melting furnace |
| 04/27/1988 | CN86208983U Light weight stove for melting lead |
| 04/26/1988 | US4739974 Mobile holding furnace having metering pump |
| 04/21/1988 | DE3637187A1 Melting crucible for receiving small material quantities and method of manufacturing such a melting crucible |
| 04/19/1988 | US4738713 In segmented metal crucible using alternating current |
| 04/12/1988 | US4737326 Slurrying fibers and particles, adding flocculant molding, dewatering, drying and sintering |
| 04/06/1988 | EP0262752A2 Induction furnace packaging system |
| 04/06/1988 | CN86106233A Reactor heating with tungusten filament |
| 04/05/1988 | US4735400 Plug for a refining apparatus |
| 03/29/1988 | CA1234531A1 Cold crucible for melting non-metallic inorganic compounds |
| 03/29/1988 | CA1234474A1 Ladle lid |
| 03/16/1988 | CN87104145A Graphite for smelting noble metals and its manufacturing method |
| 03/09/1988 | EP0258818A2 Process for melting silicium powders in a crucible, and crucible used in the process |
| 03/08/1988 | US4730336 Oxy-fuel burner system |