| Patents for F27B 14 - Crucible or pot furnaces; Tank furnaces (4,425) |
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| 01/04/1995 | CN2186900Y Aluminium smelting crucible |
| 12/22/1994 | WO1994029052A2 Process for manufacturing refractory crucibles for steel processing ladles |
| 12/22/1994 | CA2164873A1 A procedure for manufacturing refractory crucibles for steel-processing ladles |
| 12/13/1994 | US5373529 Metals purification by improved vacuum arc remelting |
| 12/13/1994 | US5372355 Tap closure for a vacuum-induction melting and casting furnace |
| 12/08/1994 | WO1994028366A1 Modular induction furnace |
| 12/07/1994 | EP0627014A1 Recovery of non-ferrous metals from dross. |
| 12/07/1994 | CN2184906Y Pot alkaline hydrolysis kiln furnace |
| 11/30/1994 | CN2184179Y Electric zinc-permeated metallic furnace in kiln |
| 11/30/1994 | CN2184178Y Hot zinc Permeated furnace |
| 11/29/1994 | US5368627 Treatment of oxide-containing dusts |
| 11/29/1994 | US5368282 Induction furnace providing controlled escape of superheated metal |
| 11/22/1994 | US5366000 Method and apparatus for forming rings from an active brazing alloy |
| 11/22/1994 | CA2032732C Phase difference control circuit for induction furnace power supply |
| 11/17/1994 | DE4325522C1 Crucible, in particular support crucible |
| 10/27/1994 | WO1994024505A1 Crucible |
| 10/27/1994 | CA2138406A1 Crucible |
| 09/28/1994 | CN1026028C Composite ceramet crucible and its making method |
| 09/20/1994 | US5349167 Induction heating apparatus with PWM multiple zone heating control |
| 09/15/1994 | DE4307851A1 Gastight chamber arrangement with main and additional chamber |
| 08/31/1994 | CN2175909Y Closed asphalt melting pot |
| 08/30/1994 | US5343492 Closed induction furnace for the melting and casting of substances |
| 08/24/1994 | EP0612201A2 Improved heating apparatus for induction ladle and vacuum furnaces |
| 08/23/1994 | US5341394 Furnace for melting materials with low melting point with improved casting duct |
| 08/17/1994 | CN2174672Y Heating crucible for solid materials |
| 08/17/1994 | CN2174671Y Low-melting-point metal smelting device |
| 08/09/1994 | US5336085 Multi-layer fluid curtains for furnace openings |
| 08/02/1994 | US5333844 Non-graphite crucible for high temperature applications |
| 07/26/1994 | US5332200 Segmented ceramic liner for induction furnaces |
| 07/20/1994 | CN2172452Y Double-buried coating graphite quick starting salt-bath stove |
| 07/19/1994 | US5329989 Induction melting and casting apparatus |
| 07/13/1994 | CN2171834Y Internal thermal nonferrous metal fusion immersion plating furnace |
| 07/13/1994 | CN2171833Y Energy-saving alchemy crucible furnace |
| 07/06/1994 | CN2171096Y Heat insulating device for dental porcelain oven body |
| 06/22/1994 | CN2169830Y Coal burning homogeneous thermal zinc plating furnace |
| 06/15/1994 | CN1087859A Refractory carbon crucible and mfg. technique |
| 06/07/1994 | US5319671 Prewarning device for induction melting furnace |
| 06/07/1994 | US5319172 Microwave melting furnace for treating liquid |
| 06/07/1994 | CA1329990C Method for induction melting reactive metals and alloys |
| 06/01/1994 | DE4319393C1 Prodn. of refractory crucibles for steel ladles - involves moulding of a crucible with a high clay content outer layer and extensively sintered inner layer (adjacent to ladle), processing of 10-50 charges, then moulding of a second, replaceable crucible |
| 05/11/1994 | DE4334770A1 Melting crucible for testing metallic or ceramic samples - with protruding upper rim to prevent rising of molten sample material |
| 05/11/1994 | CN2164535Y Crucible for producing aluminium base low-iron alloy |
| 05/11/1994 | CN2164534Y Compound silicon stone prefabricated integral crucible |
| 05/04/1994 | CN2164000Y Crucible furnace |
| 05/04/1994 | CN1024400C Controllable lifting rotary type vacuum compression casting furnace |
| 05/03/1994 | US5308044 Boron nitride ceramics and molten metal container provided with members made of the same ceramics |
| 04/27/1994 | CN1024358C Protecting lining for aluminum refining vessel |
| 04/19/1994 | US5304230 Method of disposing of organic and inorganic substances and a plant for carrying out the method |
| 04/12/1994 | CA1328347C Tubular ceramic articles, methods and apparatus for their manufacture |
| 03/23/1994 | CN2159543Y Full carbon molecular arc crucible oven |
| 03/16/1994 | CN2159005Y Pickling furnace |
| 03/15/1994 | US5294096 Power supply coil for the ceramic-free outlet of a melting pot |
| 03/10/1994 | DE4329509A1 Bridging prevention system for induction melting furnace - has wall temp. sensors connected to alarm, preventing furnace wall damage caused by metal bridge formation |
| 03/02/1994 | EP0584401A2 Low NOx regenerative melting tank |
| 02/23/1994 | CN1082702A Float melting apparatus and method employing axially movable crucibles |
| 02/16/1994 | CN2156462Y Ceramic soil crucible |
| 02/09/1994 | EP0582388A1 Induction heating |
| 02/02/1994 | EP0581496A2 Molecular beam epitaxy (MBE) effusion source utilizing heaters to achieve temperature gradients |
| 02/01/1994 | US5283805 Segmented cold-wall induction melting crucible |
| 01/27/1994 | DE4307317A1 Appts. for melting and casting metals or alloys of high purity - with crucible segments made of aluminium with their outside surface covered with an aluminium oxide layer |
| 01/19/1994 | CN2153752Y Fuel heating furnace |
| 01/18/1994 | US5280495 Furnace refractory extraction system and method |
| 01/05/1994 | EP0576845A1 Float melting apparatus and method employing axially movable crucibles |
| 01/05/1994 | DE4221882A1 Transport device for removing used anodes in aluminium@ melting furnaces - comprises containers provided with gas filter units and closable door to prevent fluorine@ emission |
| 01/04/1994 | US5275229 Magnetic suspension melting apparatus |
| 12/28/1993 | US5274662 Remelting arc furnace with movable electrode |
| 12/21/1993 | US5272720 Induction heating apparatus and method |
| 12/21/1993 | US5272719 Plural output power supply for induction holding and melting furnaces |
| 12/15/1993 | CN1023085C Method to make refractory pot for casting steel billet |
| 12/14/1993 | US5271033 Induction furnace for melting and casting substances in a nonreactive atmosphere |
| 12/09/1993 | DE4218244A1 Closed induction furnace with tilting mechanism - with the crucible tiltable in opposing directions |
| 12/07/1993 | US5267602 Casting metals |
| 11/30/1993 | US5267259 Induction crucible furnace with sonically uncoupled accessible furnace platform |
| 11/30/1993 | US5267258 Fast melting induction furnace with pressing cover |
| 11/24/1993 | CN2147493Y Continuous electric heating melting furnace |
| 11/24/1993 | CN2147492Y Construction equipment for cauldron for melting coating of road sign |
| 11/17/1993 | CN2146690Y Far-infrared energy-saving furnace with tin pots |
| 11/17/1993 | CN1078548A Levitating and fusing device |
| 11/10/1993 | CN2145969Y Energy-saving hygienic cistern tin soaking furnace |
| 11/03/1993 | EP0567621A1 Melt-in aggregate with furnace cradle |
| 10/13/1993 | CN2143758Y Smoke removing asphalt gas burning and heating melting furnace |
| 10/12/1993 | US5253266 MBE effusion source with asymmetrical heaters |
| 10/12/1993 | CA1322850C Heating vessel lid construction |
| 10/07/1993 | DE4317018A1 Charging method avoiding formation of harmful material in top-filling bath smelt furnace - uses tube to carry material through zones in which temp. and duration ensures complete combustion |
| 10/06/1993 | CN2143316Y Durable iron crucible |
| 10/05/1993 | US5250777 Channel-type |
| 09/30/1993 | WO1993018868A1 Process and device for the treatment of polluting and meltable materials |
| 09/30/1993 | DE4209964A1 Prodn. system for metals and metal alloys of high purity under vacuum conditions - has cooled melting crucible and cooled hopper for guiding pouring jet, crucible consisting of several metallic palisade type segments separated from each other by slits |
| 09/21/1993 | US5247539 Magnetic yoke for an induction crucible furnace |
| 09/21/1993 | US5247538 Melting furnace with manipulator for closing crucibles vacuum-tight |
| 09/08/1993 | EP0558874A1 Method of and apparatus for producing rings of an active brazing alloy |
| 09/06/1993 | CA2090923A1 Method of and apparatus for forming rings from an active brazing alloy |
| 09/02/1993 | DE4205797A1 Elektronenstrahl-ueberlaufschmelzvorrichtung Electron beam melting Overrun device |
| 09/01/1993 | CN2141547Y Material feeder for electric resistance furnace producing quartz glass |
| 08/31/1993 | US5241560 Crucible induction furnace provided with a preventive measure against low melting point metals |
| 08/31/1993 | US5240231 Slag control system |
| 08/26/1993 | WO1993017135A1 Recovery of non-ferrous metals from dross |
| 08/19/1993 | WO1993015860A1 Slag control system |
| 08/19/1993 | CA2129738A1 Slag control system |
| 07/13/1993 | US5227120 Weld overlaying a relatively thin layer of mild carbon steel |