Patents
Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765)
12/2003
12/18/2003WO2003034385A3 System and method for illumination timing compensation in response to row resistance
12/18/2003WO2003034384A3 Method and system for precharging oled/pled displays with a precharge latency
12/17/2003EP1371739A1 Process for purifying zinc and rectifying column for purifying zinc
12/17/2003CN1131328C Production method for porous metal body
12/17/2003CN1131327C Magnesium powder resmelting recovery method
12/11/2003WO2003102254A1 Method of metal recovery
12/11/2003US20030227111 And additive addition in alloying or other furnace operations; fluxing; porous layer is provided at the top of the inverted plunger cup to allow for the escape of gas into the molten metal through the porous layer.
12/11/2003US20030226624 Process for production of titanium alloy
12/09/2003US6659283 Removing impurities from tantalum or silver vanadium oxide particles, using separators having variable magnetic flux between two rods; purification
12/09/2003CA2243748C Straight hearth furnace for titanium refining
12/04/2003US20030224220 Dense refractory material for use at high temperatures
12/04/2003US20030222382 Without having to first remove the materials from the containers
12/04/2003US20030221955 Aluminium-wettable protective coatings for carbon components used in metallurgical processes
12/03/2003EP1366201A1 A method for the removal of calcium from a zinc process sulfate solution
12/02/2003US6656415 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc
11/2003
11/27/2003WO2003057930A8 Filter media and method using the filter media for treating molten aluminium
11/26/2003EP1365201A1 Melting crucible and method
11/26/2003EP0872851B1 Process for preparing metallic beryllium pebbles
11/26/2003CN2587881Y Metal liquid purifier
11/25/2003US6652925 Method for producing massive-amorphous layers on massive metallic shaped bodies
11/20/2003WO2003095686A1 Device for the in-line treatment of liquid metal by means of gas and filtration
11/20/2003WO2003034387A3 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
11/20/2003US20030213575 Melting crucible and method
11/18/2003US6649035 Low energy and non-heat transferring crust breaking system
11/13/2003WO2002058863A8 Pressurized molten metal holder furnace
11/13/2003US20030209106 Filtration of colloids; combustion
11/12/2003CN1455854A Oxy-fuel combution system and uses thereof
11/12/2003CN1454736A Casting device and molten-metal supplying device
11/11/2003US6645323 Skinless metal alloy free of entrapped gas and with primary solid discrete degenerate dendrites homogeneously dispersed in a secondary phase; made by controlling conditions of cooling and vigorous agitation of a liquid precursor
11/11/2003US6645270 Heat transfer through mixing; faster heat up; minimizing temperature stratification; improved heat retention
11/06/2003WO2003091461A1 Injection of solids into liquids by means of a shrouded supersonic gas jet
11/06/2003US20030206822 High purity iron, method of manufacturing thereof, and high purity iron targets
11/06/2003US20030205854 Process and apparatus for adding particulate solid material to molten metal
11/06/2003US20030205358 Electromagnetic induction casting apparatus
11/06/2003CA2483148A1 Injection of solids into liquids by means of a shrouded supersonic gas jet
11/05/2003EP1358959A1 Casting apparatus and molten metal feed apparatus
11/05/2003EP1358956A1 Method for processing a metal alloy to obtain a semi-solid article
11/05/2003CN1453382A Aluminium and aluminium melt refining and dehydrogenating process
11/05/2003CN1453372A Molten steel refining and denitridating process
11/05/2003CN1453371A Electrochemical pollution-free metal liquid deoxygenating process
11/05/2003CN1126822C Aluminium and aluminium alloy melt compound purifier
10/2003
10/30/2003WO2003089862A1 Plasma reactor-separator
10/30/2003WO2003089676A2 Iterative cycle process for carbon supersaturation of molten metal and solid metals obtained thereby
10/30/2003US20030201090 Casting apparatus and molten metal feed apparatus
10/29/2003EP1356129A2 Treatment of molten metal with a particulate agent using a mixing impeller
10/28/2003US6638436 Method and arrangement for regenerating a contaminated metal bath
10/24/2003CA2425759A1 Process for transforming a metal alloy into a partially-solid/partially liquid shaped body
10/23/2003US20030197315 Apparatus for treating molten metal having a sealed treatment zone
10/23/2003US20030197313 Elevated discharge gas lift bubble pump and furnace for use therewith
10/23/2003US20030196518 Process for cleaning and purifying molten aluminum
10/23/2003US20030196517 Method of treating heavy metal and/or organic compound
10/23/2003US20030196453 Method and apparatus for oxygen refinement of a glass melt
10/22/2003EP1354646A1 Method of treating heavy metal and/or organic compound
10/22/2003CN1450183A Stop board for aluminium melt dehydrogen ization rotary blowing instrument
10/21/2003US6635096 Method for optimizing the operating conditions of a submerged arc furnace
10/21/2003US6634413 Engineering components such as rings, tubes and pipes by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent centrifugal casting of the melt in the graphite molds rotating along its own axis
10/16/2003WO2003034386A3 Method and system for ramp control of precharge voltage
10/15/2003EP1080242B1 Tantalum-silicon alloys and products containing the same and processes of making the same
10/14/2003US6631753 Clean melt nucleated casting systems and methods with cooling of the casting
10/08/2003CN1446929A Method for removing sulfur, phosphorus impurities in metal molten mass
10/08/2003CN1123410C Purge plug
10/07/2003US6630099 Facilitates continuous melting while retaining the options of discharging product by continuously, also facilitates high heat transfer rate throughout the reaction zones and avoids localized overheating or undercooling
10/01/2003CN1445381A Method for recovering catalytic metal using porous metal filter
10/01/2003CN1445380A Method for recovering catalytic metal
09/2003
09/30/2003US6627149 Less than 0.5ppm sulfur, iron, copper, palladium, gold and lead impurities
09/30/2003CA1341441C Furnace-plasma arc torch-supervisory control system for recovery of free aluminum from aluminum dross
09/24/2003CN1443615A Method for preparing alloy solution for pouring operation and equipment
09/18/2003WO2003076692A1 Minimising carbon transfer in an electrolytic cell
09/18/2003US20030173904 Matrix element precharge voltage adjusting apparatus and method
09/18/2003US20030173394 System and filter for filtering hard alpha inclusions from reactive metal alloys
09/18/2003CA2479050A1 Minimising carbon transfer in an electrolytic cell
09/17/2003EP1344589A2 Process and device for treating an alloy melt before a casting operation
09/17/2003EP1152854B1 Use of a crucible furnace heated by induction for low-pressure casting articles from aluminum and magnesium alloys
09/17/2003CN1443248A Method and device for reducing oxygen content of copper melt
09/16/2003CA2322676C Gas and powder delivery system
09/12/2003WO2003074215A1 Method for electroslag surfacing of composite rolls with molten metal and device for carrying out said method
09/12/2003WO2002058862A3 Recirculating molten metal supply system and method
09/11/2003US20030169107 Method and system for proportional plus integral loop compensation using a hybrid of switched capacitor and linear amplifiers
09/11/2003US20030168399 Burping filter
09/11/2003US20030168131 High purity tantalum, products containing the same, and methods of making the same
09/09/2003US6616724 In a vacuum chamber with ring crucibles arranged at different levels, the topmost ring crucible covered except for the exhaust duct; purity; use in semiconductor, optics industries
09/04/2003WO2003072835A1 Method and apparatus for separating metal values
09/04/2003US20030165395 Manganese alloy
09/04/2003US20030164069 Method for generating pollution credits while processing reactive metals
09/04/2003US20030164068 Exposing reactive metal to a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof to protect reactive metal from reacting with oxygen in air
09/03/2003EP1339885A2 Method for producing metal blocks or bars by melting off electrodes and device for carrying out this method
09/03/2003EP0517786B1 Production of synthetic rutile
09/03/2003CN2570301Y Gas-phase closed type protecting equipment of electroslag remelting furnace
09/02/2003US6613118 Method of heating molten aluminum in a crucible
08/2003
08/28/2003WO2002022900A3 Process and rotary device for adding particulate solid material and gas to molten metal bath
08/28/2003DE10212349C1 Production of an alloy melt for casting comprises placing the melt having a temperature lying above the liquidus temperature of the alloy in a crystallization vessel, adding an alloy as a powder, and mixing the melt and powder
08/27/2003EP1337360A2 Refining and casting apparatus and method
08/21/2003WO2003034383A3 Drive circuit for adaptive control of precharge current and method therefor
08/21/2003US20030156964 Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas
08/21/2003US20030156101 Adaptive control boost current method and apparatus
08/21/2003US20030154821 Leaching the silver bullion with nitric acid in oxygen atomsphere, followed by filtration, separating gold bearing residue form silver rich liquor, heating, evaporating water, forming silver nitrate melt, and separating form the residue
08/20/2003EP1336664A2 Inline melt degassing apparatus with rotary impeller and heater
08/20/2003EP1335993A2 Recovery of purified volatile metal such as lithium from mixed metal vapours
08/20/2003EP0946457B1 Improved refractory compositions suitable for use in fluid bed chlorinators
08/20/2003CN1437657A Hardened Fe-Ni alloy for making integrated circuit grids and method for making same
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