Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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 |
| 7341080 | Method for loading pourable material and device for carrying out said method A method for loading a pourable material in a container, the material being supplied by gravity forces through a channel which is arranged in the opening of the container. In order to obtain a desired material distribution in the container, the material, a little bi... | 03/11/2008 |
| 7258157 | Lateral face of an installation used for the twin-roll continuous casting of metal bands The invention relates to a side wall (1) of a plant for the continuous casting of metal strip (5) between two counter-rotating rolls (2, 2′) having horizontal axes and being internally cooled, the surfaces of which define a casting space confi... | 08/21/2007 |
| 7172640 | Method and device for melting down metal-containing materials In a method and a device for melting down metal-containing material, preferably fine-particulate metal-containing material, such as sponge iron, in a metallurgical melting furnace (1), wherein, in an interior space (11) of the melting furnace (1... | 02/06/2007 |
| 7006216 | Device for the chemical analysis of material samples and metallurgical vessel therefor A device for the chemical analysis of solid or molten material samples, based on laser-induced emission spectroscopy, including a laser source generating a laser beam, a deflection device deflecting the laser beam, a focusing device focusing the laser beam, a device... | 02/28/2006 |
| 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 |
| 6619375 | Casting roll In a casting roll for a thin strip casting plant, comprising an essentially cylindrical core (1), a mantle (2) of copper or a copper alloy optionally being provided with at least one outside layer (5), an internal cooling system (4) as well as an adjustin... | 09/16/2003 |
| 6568462 | Austenitic stainless steel strips having good weldability as cast A process for the production of austenitic stainless steel strips having as case a good weldability, comprising the operations of: solidification in a mold of a continuous casting apparatus with twin counterrotatng rolls, a strip having a thickness compri... | 05/27/2003 |
| 6502626 | Continuous casting process for producing low carbon steel strips and strips so obtainable with good as cast mechanical properties A process for the production of low carbon steel strips having a good combination of strength an formability, as cast, and a good weldability after the pickling by usual processes, comprising the following steps: casting, in a twin rolls continuous castin... | 01/07/2003 |
| 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 |
| 6443046 | Method of controlling a long-stroke, hydraulic operating cylinder There is described a method of controlling a long-stroke, hydraulic operating cylinder (1), in particular a screw-down cylinder for an edging stand, where the piston (4), to which a load can be applied at both ends, and which can be locked hydraulically a... | 09/03/2002 |
| 6439021 | Device for vertically displacing a roll running on bearings in a roll stand In a device for vertically displacing a lower roll of a pair of rolls, running on bearings in a roll stand (1), for adjusting the upper side of the lower roll to the rolling line, the rolls run on bearings in chocks and optionally can be supported by supp... | 08/27/2002 |
| 6431256 | Surface of a cooling roll for continuous casting machines A cooling roll having superficial dimples, for continuous casting machines with a pair of counterotating rolls in contact with the cast metal is characterized by the fact that it presents the surface that comes to contact with the cast metal provided with... | 08/13/2002 |
| 6430461 | Process for monitoring and controlling the quality of rolled products from hot-rolling processes Process to monitor and control the quality of rolled products from hot-rolled processes which produce products such as sheets, rods, etc., from input stock such as slabs, billets, etc. The process estimates in advance the expected material properties of t... | 08/06/2002 |
| 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 |
| 6378598 | Plates for use in continuous casting process for the manufacture thereof The present invention provides an improvement to the plates for the side containing in apparatuses for the continuous casting of thin flat products, said plates comprising: at least one insert (8) of a ceramic material; a plurality of joints (11) for the ... | 04/30/2002 |
| 6379420 | Method and plant for producing a reducing gas serving for the reduction of metal ore In a method for producing a hot CO- and H2 -containing reducing gas serving for the reduction of fine-grained metal ore, in particular iron ore, the reducing gas is formed in a gasification zone by a gasification of carbon carriers, in particul... | 04/30/2002 |
| 6341722 | Feeder of molten metal for moulds of continuous casting machines The present invention provides a feeder of molten metal for moulds of continuous casting machines comprising a cylindrical body (1) within which a main outflow duct (5) of the molten metal coming from the tundish is formed to which the cylindrical body (1... | 01/29/2002 |
| 6336954 | Process and plant for the direct reduction of particulate iron-oxide-containing material 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 for the reducing gas. The reducing gas is c... | 01/08/2002 |
| 6332255 | Process for producing a hot-rolled product and plant for carrying out the process In a process for producing a hot-rolled product by continuously casting a strand, separating a strand piece from the strand, thermally influencing the strand piece by temperature equalization and/or strand piece heating and hot-rolling the strand piece, c... | 12/25/2001 |
| 6315943 | Apparatus for producing molten metal In a method of producing molten metal (8) from at least partially fine-particulate metal carriers in a melter gasifier (2) in which under supply of carbon-containing material and oxygen or an oxygen-containing gas under simultaneous formation of a reducin... | 11/13/2001 |
| 6277172 | Method of charging metal carriers to a melt-down gasifying zone In a method of charging metal carriers which contain a portion of fines and are at least partially reduced and carbon carriers to a melter gasifier (10) in which a melt-down gasifying zone (11) is maintained, the metal carriers and the carbon carriers are... | 08/21/2001 |
| 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 |
| 6264725 | Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method According to a process for producing pig iron (10) from fine-particulate iron oxide carriers and lumpy iron-containing material in a meltdown gasifying zone (9) of a melter gasifier (3), the iron-containing material is melted in a bed (13) formed of solid... | 07/24/2001 |
| 6264883 | Plant for the production of metal melts To be able to produce metal melts using any metal carriers incurring in metallurgical practice as the charging materials, namely in the most diverse quantitative compositions, a plant for producing metal melts is provided with the following characteristic... | 07/24/2001 |
| 6264724 | Process for the production of spongy metal A plant for producing sponge metal, in particular sponge iron, from charging materials consisting of metal ore or iron ore respectively, preferably in lumps and/or pellets, and optionally fluxes, comprising at least one first gas source (1, 3) dispensing ... | 07/24/2001 |
| 6258148 | Method of charging metal carriers to a melt-down gasifying zone In a method of 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 melt... | 07/10/2001 |
| 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 |
| 6241798 | Iron smelting process and plant according to the multiple zone smelting process In order to be able to process in an economical manner different iron carriers in varying quantitative compositions, a plant for the production of iron melts (4), in particular steel melts, such as crude steel melts, is equipped with an electric are furna... | 06/05/2001 |
| 6235081 | Process for the production of spongy metal A method for producing a sponge metal from metal ore or iron ore which comprises reacting said metal ore or iron ore in a reduction zone with a CO-- and H2 -containing, reducing feed gas source which has been compressed, and after said reaction... | 05/22/2001 |
| 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 |
| 6223552 | Device for the controlled cooling of hot-briquetted directly reduced iron sponge In an arrangement for the controlled cooling of hot-briquetted direct-reduced sponge iron in the form of an apron conveyer consisting of individual plates and located in a tank, the individual plate is designed as conveyor trough (4), wherein at least one... | 05/01/2001 |
| 6220790 | Process for conveying fine-grained solid A process for continuous conveying of a fine-grained and/or pulverized solid to two or more target points by a conveying medium, e.g. gas. The solid is charged into a distribution vessel and from there to several target points by respective supply lines e... | 04/24/2001 |
| 6221126 | Arrangement and process for the reduction of metal-oxide-bearing material Arrangement for the reduction of metal-oxide-bearing material, particularly of, iron ore, with a reduction vessel in which the metal-oxide-bearing material is reduced in counterflow with reduction gas and which is provided with an inlet for metal-oxide-be... | 04/24/2001 |
| 6214083 | Method and plant for producing iron from lumpy and fine-particulate sponge iron In a method of producing liquid pig iron or liquid steel pre-products from iron-oxide-containing material, fine-particulate iron-oxide-containing material is reduced to fine-particulate sponge iron by the fluidized bed method by passing a reducing gas thr... | 04/10/2001 |
| 6209619 | Billet-guiding system for a continuous casting plant In a strand guide for a continuous casting plant comprising a plurality of strand supporting elements for supporting the strand, in particular support segments carrying supporting rollers, several support segments being fastened adjacent each other on a s... | 04/03/2001 |
| 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 |
| 6210631 | Reduction vessel for the reduction of metal-oxide-bearing material The invention relates to a reduction vessel (1) for the reduction of metal-oxide-bearing material, particularly of iron ore, by means of a reduction gas flowing countercurrently to the metal-oxide-bearing material, which reduction vessel (1) is provided w... | 04/03/2001 |
| 6176297 | Adjusting device for setting the position of billet-support elements An adjustment device for adjusting the position of at least one strand supporting element (5) relative to a supporting stand (9, 10) carrying at least one further strand supporting element (6), of a strand guide in a continuous casting plant comprises at ... | 01/23/2001 |
