Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8187527 | Energy efficient modular gas fluidized sand heat treating apparatus and sand return system A modular air fluidized sand bed for the heat treatment of metal products is disclosed. This technology provides for the heat-treatment of steels, particularly long products, and other alloys and shapes using fluidized-sand heat transfer media. The technology direct... | 05/29/2012 |
| 8119059 | Apparatus for manufacturing molten irons An apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that converts iron ore into reduced materials by reducing and plasticizing the iron ore, ii) a melter-gasifier into which the reduced materials are charged and oxygen... | 02/21/2012 |
| 8052921 | Apparatus for manufacturing molten irons An apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that reduces and plasticizes iron ore and converts the iron ore into reduced materials, ii) a melter-gasifier into which the reduced ore is charged and oxygen is inje... | 11/08/2011 |
| 8025836 | Method and plant for the heat treatment of solids containing iron oxide A plant for the heat treatment of solids containing iron oxide includes a fluidized bed reactor. The reactor includes at least one gas supply tube at least partly surrounded by an annular chamber in which a stationary annular fluidized bed is located, and a mixing c... | 09/27/2011 |
| 8021601 | Plant for the heat treatment of solids containing titanium A plant for the heat treatment of solids containing titanium includes a fluidized bed reactor. The reactor includes at least one gas supply tube being at least partly surrounded by an annular chamber in which a stationary annular fluidized bed is located, and a mixi... | 09/20/2011 |
| 8021600 | Method and plant for the heat treatment of solids containing iron oxide A plant for the heat treatment of solids containing iron oxide. The plant includes a reactor including a fluidized bed reactor. The reactor includes a gas supply system disposed in the reactor, a stationary annular fluidized bed which at least partly surrounds the g... | 09/20/2011 |
| 7850902 | Apparatus for manufacturing molten irons A method for manufacturing molten iron that improves charging and discharge of the fine iron ore, and an apparatus for manufacturing molten iron using the same. The apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that... | 12/14/2010 |
| 7824603 | Direct reduction apparatus and process An apparatus for reducing a metalliferous material in a fluidized bed includes a vessel for containing the fluidized bed, a mechanism for supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and a fluidizing gas into the ves... | 11/02/2010 |
| 7687018 | Means for conveying material Means for conveying hot granular material from a loading zone to an arc melting furnace (3), comprising a horizontal trough (1), trough vibration generators that cause the granular material to move along the trough, a sluice gate (4) to regulate... | 03/30/2010 |
| 7264765 | Method and apparatus for smelting titanium metal This invention relates to a method and an apparatus for smelting titanium metal by the thermal reduction of titanium oxide (TiO2) to titanium metal (Ti); a mixed salt of calcium chloride (CaCl2) and calcium oxide (CaO) contained in a reaction v... | 09/04/2007 |
| 7025927 | Hot air blowing type fluidized-bed furnace, rotary heat-treatment furnace, heat-treatment apparatus, and method of heat treatment A heat-treatment apparatus including a first furnace for heat treatment and solution treatment of a work piece, and a second furnace for heat treatment and aging treatment of a work piece, wherein each furnace includes a dispersion tube cantilevered and immersed wit... | 04/11/2006 |
| 6953547 | Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace The invention relates to an apparatus for feeding finely divided solids, containing at least sulphidic metal concentrate, and oxygenous oxidizing gas into a suspension smelting furnace, said apparatus comprising elements for conducting solids and oxidizing gas into ... | 10/11/2005 |
| 6953337 | Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace Apparatus for transferring hot material between a preprocessing plant and an electric furnace has an enclosed housing extending between the plant and the furnace and within which a controlled atmosphere is maintained, at least one bin having at least one compartment... | 10/11/2005 |
| 6916357 | Method for introducing a granular ore into a roasting kiln Granular ore or ore concentrate is charged into a furnace for calcining the ore at temperatures of 400 to 1050° C., the ore forming a stationary fluidized bed in the furnace. The ore is thrown onto the fluidized bed through an opening in the furnace housing dispose... | 07/12/2005 |
| 6878183 | Sublimation purifying method and apparatus This invention relates to a method for sublimation refining which gives a high-purity product in high yield while preventing corrosion of the apparatus, contamination of the product and change in quality of the product and to an apparatus useful for the method. The ... | 04/12/2005 |
| 6811743 | Method and apparatus for supplying granular raw material for reduced iron A method for supplying a granular raw material for reduced iron in which when the granular raw material is fed into a hopper and from there supplied onto a hearth of a movable hearth furnace through a material supplying device, the material supplying device is moved... | 11/02/2004 |
| 6736876 | Fluidized bed breakage prevention system for fluidized bed reduction reactor and method A fluidized bed reduction reactor (100) for supplying a reduced iron to a melter-gasifier (1) of a smelting reduction system includes an exhaust gas supply unit (3) for supplying an exhaust gas to a reduction gas supply tube (4) interconn... | 05/18/2004 |
| 6669894 | Roaster with stabilized fluidized bed for roasting zinc concentrate Disclosed is a fluidized bed roaster with stabilized fluidized bed for roasting zinc concentrate which can have a uniform internal temperature distribution to form a stabilized fluidized bed, thereby dramatically reducing the amount of sulfide sulfur cont... | 12/30/2003 |
| 6645269 | Process and plant for producing a metal melt In a process for producing a metal melt by reducing metal-oxide-containing material in a fluidized-bed reactor by the fluidized-bed method and by subsequently melting down the reduced material in a melt-down gasifier, in the melt-down gasifier there is ge... | 11/11/2003 |
| 6626977 | Direct smelting process and apparatus A direct smelting process for producing iron and/or ferroalloys is provided, which involves injecting feed materials into a molten bath of molten metal in a metallurgical vessel to form an expanded molten bath zone, and injecting oxygen containing gas, wh... | 09/30/2003 |
| 6585798 | Fluidized bed reactor for preventing the fine iron ore from sticking therein and method thereof A smelting reduction apparatus which separates exhaust gas, which is exhausted from a melter-gasifier or a fluidized bed reactor, into dusts and reducing gas to supply them to each fluidized bed reactor respectively is disclosed, in which the smelting red... | 07/01/2003 |
| 6569377 | Plant for the direct reduction of particulate iron-oxide-containing material In a process for the direct reduction of particulate iron-oxide-containing material by fluidization, a synthesis gas is introduced as a reducing gas into several fluidized bed zones consecutively arranged in series. The reducing gas is conducted from one ... | 05/27/2003 |
| 6562102 | Method for producing liquid pig iron Process and apparatus for producing liquid pig iron or primary steel products from iron-containing material in lump form in a fusion gasifier (1), in which, with lump coal and oxygen-containing gas being fed in, and with simultaneous formation of a reduct... | 05/13/2003 |
| 6500381 | Method and apparatus for supplying granular raw material for reduced iron Disclosed is a method for supplying a granular raw material for reduced iron in which when the granular raw material is fed into a hopper and from there supplied onto a hearth of a movable hearth furnace through a material supplying device, the material s... | 12/31/2002 |
| 6491864 | Plant for charging metal carriers to melt-down gasifying zone Plant for charging metal carriers which contain a portion of fines and are at least partially reduced to a melter gasifier in which a melt-down gasifying zone formed by a bed is maintained, the metal carriers and carbon carriers are fed into the melter ga... | 12/10/2002 |
| 6491738 | 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus A two-stage fluidized bed reducing apparatus and a reducing method for fine iron ore of a wide particle size distribution with an increased degree of utilization of the reducing gas. Fine iron particles dropping through the holes of a gas distributor can ... | 12/10/2002 |
| 6454833 | Process for producing liquid pig iron or semifinished steel products from iron-containing materials In a method for producing liquid pig iron (9) or steel pre-products from fine-particulate iron-containing material (4) in a melter gasifier (1), the iron-containing material (4) is melted in a bed of solid carbon carriers (2) under supply of carbon-contai... | 09/24/2002 |
| 6416566 | Process for the production of liquid pig iron or liquid steel pre-products In the process for the production of liquid pig iron 943) or liquid steel pre-products from charging substances comprising iron ore (5) and fluxes and at least partially containing a portion of fines, the iron ore is directly reduced to sponge iron in at ... | 07/09/2002 |
| 6379610 | Apparatus and process for treating a particulate material within a rotating retort Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting movement in a ver... | 04/30/2002 |
| 6379421 | Method and apparatus removing undesirable metals from iron-containing materials The present invention relates to a method and apparatus for separating undesired toxic metals, such as Zn, Pb and Cd, from iron-containing materials by: sintering a mixture of such materials (typically including EAF dust and mill scale) with carbonaceous ... | 04/30/2002 |
| 6299826 | Flow field in the inlet plenum of a fluidized bed A gas plenum assembly for a fluidised bed apparatus, including a structure defining one or more side and base walls about a plenum chamber and means defining an inlet for gas to the chamber, arranged so that the gas flows generally upwardly into the chamb... | 10/09/2001 |
| 6277324 | Apparatus for manufacturing molten pig iron and reduced iron by utilizing a fluidized bed An apparatus and a method for manufacturing molten pig iron by using a fine iron ore are disclosed. Coal is used to produce a reducing gas, and a fine iron ore is used to produce a molten iron and a reduced iron in a simple and efficient manner. The appar... | 08/21/2001 |
| 6241801 | Method for treating particulate material in the fluidized bed method and vessel and plant for carrying out the method In a method for treating particulate material in the fluidized bed method, the particulate material is maintained in a fluidized bed by a treating gas flowing from bottom to top and thereby is treated. To minimize the consumption of treating gas and to re... | 06/05/2001 |
| 6235082 | Process for producing liquid metal and facilities for carrying out the process With a method for producing liquid metal from charging substances containing ore and of fluxes, the ore is directly reduced to sponge metal in at least one reduction zone (5, 7, 8), the sponge metal is melted along with fluxes in a melt-down gasifying zon... | 05/22/2001 |
| 6235080 | Charging device for directly charging reduced fine iron ore into melter-gasifier A device is disclosed for directly charging raw material into a melter-gasifier in a molten iron manufacturing facility using coal and fine iron ore. The elutriation of fine dusts is inhibited while directly charging coal and reduced fines into the melter... | 05/22/2001 |
| 6235079 | Two step twin-single fluidized bed pre-reduction apparatus for pre-reducing fine iron ore, and method therefor A two step twin-single fluidized bed type reduction apparatus for fine iron ore, and a method therefor, are disclosed. The fluidizing of the fine iron ore is stabilized so as to improve the reduction degree and the gas utilization rate, and so as to minim... | 05/22/2001 |
| 6224650 | Apparatus for manufacturing molten iron by using calcination furnace, and manufacturing method therefor An apparatus for manufacturing molten iron by using a calcination furnace, and a manufacturing method therefor are disclosed. A high temperature reducing gas (1000 to 1100° C.) from a melter gasifier is used as a calcination heat in a calcination furnace... | 05/01/2001 |
| 6224649 | Method and apparatus for reducing iron-oxides-particles having a broad range of sizes Methods and apparatus for the reduction into metallic iron of iron-oxides-containing particles having a broad range of sizes. Particles, typically within a broad range of sizes of about 0.1 mm to about 50 mm, are reduced by contact with a hot reducing gas... | 05/01/2001 |
| 6224819 | Fluidized bed type reducing system for reducing fine iron ore A fluidized bed reducing system for reducing a fine iron ore is disclosed, in which the structure of the fluidized bed reducing furnace is improved such that the coarse iron ore particles are distributed in the lower portion of the fluidized bed within th... | 05/01/2001 |
| 6210627 | Arrangement for the dosed introduction of fine-particulate material into a reactor vessel An arrangement for the dosed introduction of fine-particulate material into a reactor vessel comprises a fluidized bed sluice, into which a material supply means enters from above and into which a gas duct feeding a fluidization gas runs in the lower end ... | 04/03/2001 |
