Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 8151632 | Method for defining element content and/or mineral content The invention relates to a method for defining particle and/or mineral content in real time in a mineral separation process from finely divided particle material flowing either in solid or slurry-like form, so that from the particle material, there is extracted a re... | 04/10/2012 |
| 8147756 | Device for carrying out a chemical or physical treatment Device for carrying out a chemical or physical treatment, comprising a frame on which a turntable is arranged rotatably. The reaction vessels are arranged on the turntable, and a different connection between the feed/discharge lines, which are fixedly connected to t... | 04/03/2012 |
| 8133442 | Method to enhance clarification in a mixing reactor and said mixing reactor The invention relates to a mixing reactor for mixing a liquid and pulverous solid, clarification the solution that is formed and discharging the clarified solution from the mixing reactor, in the lower section of which a fluidized bed is formed. The invention also r... | 03/13/2012 |
| 8128014 | Turbo pulp lifter A pulp lifter for installation in a rotary grinding mill has a leading edge wall and a trailing edge wall with respect to rotation of the mill. The leading edge wall and the trailing edge wall define a pulp lifter chamber, and a grate allows slurry to pass to a radi... | 03/06/2012 |
| 8117926 | Method of and equipment for preparing an analysis sample The invention relates to a method of and equipment for preparing an analysis sample (2) for a continuous on-line analysis. According to the invention, a sample material (5) is taken by means of a sampling arrangement (4) from a material flow ( | 02/21/2012 |
| 8109457 | Multi-stage discharger for grinding mills A pulp lifter assembly for a rotary grinding mill includes an outer pulp lifter having walls defining a pulp lifter chamber and an outlet opening for radially inward discharge of slurry from the pulp lifter chamber, and an inner discharger disposed radially inward o... | 02/07/2012 |
| 8087929 | Equipment and method for heating gas in connection with sintering The invention relates to equipment for heating gas in connection with continuous sintering in gas channels placed above a strand, the gas channels comprising at least a wall and at least two gas units, the gas coming from the gas units being in contact with the mate... | 01/03/2012 |
| 8062519 | Gasket distributor A flange joint for connecting two objects in a fluid connection so that fluid can flow between the objects. The flange joint has a gasket, and the gasket is installed in the flange joint. The flange joint has at least one channel for feeding additional fluid from ou... | 11/22/2011 |
| 8062498 | Method of manufacturing a cathode plate, and a cathode plate A method of manufacturing a cathode plate (1) that is used in the electrolytic cleaning and recovery of metals, the cathode plate being at least partly manufactured of stainless steel and the surface of the cathode plate being treated in at least one stage, w... | 11/22/2011 |
| 8048380 | Process and plant for producing metal oxide from metal compounds A plant for producing metal oxide from metal compounds includes a fluidized-bed reactor in which the metal compounds are heated by a combustion of a fuel to produce metal oxide. The fluidized-bed-reactor reactor includes at least one gas supply tube at least partly ... | 11/01/2011 |
| 8047230 | System for the chemical/physical treatment of a fluid System for the chemical/physical treatment of a fluid in which a distributor valve has been installed for the feed/discharge of fluid to/from various reactors. The distributor valve consists of a plate valve with stationary plate and rotary plate. A cylindrical body... | 11/01/2011 |
| 8043597 | Process and apparatus for the combustion of sulfur A process for a combustion of sulfur with an oxygen-containing gas to produce sulfur dioxide. The process includes introducing the sulfur and the oxygen-containing gas to a furnace. The sulfur is evaporated and subsequently a portion of the sulfur is oxidized to sul... | 10/25/2011 |
| 8038930 | Cooling element and method for manufacturing the same The invention relates to a cooling element to be used in the structure of a pyromettalurgical reactor used in the manufacturing of metals, which cooling element comprises a housing element mainly made of copper, provided with a channel system for the cooling medium ... | 10/18/2011 |
| 8038766 | Direct reduction process using a single fluidised bed A direct reduction process for a metalliferous material includes supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and a fluidizing gas into a fluidized bed in a vessel and maintaining the fluidized bed in the vessel, at ... | 10/18/2011 |
| 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 |
| 8021459 | Method and apparatus for controlling metal separation The invention relates to a method and apparatus for controlling a continuous metal removal in conjunction with a zinc preparation process, in which the metal removal is performed in one or more reactors (11a-c), in conjunction with the reactor, ... | 09/20/2011 |
| 8020710 | Method and equipment for liquid-liquid extraction The invention relates to a method for reversing the dispersion formed in the mixing section of liquid-liquid extraction and kept condensed in the separation section and the separated solutions form the rear end of the separation section to flow back towards the feed... | 09/20/2011 |
| D645067 | Belt guard for a flotation cell | 09/13/2011 |
| D644674 | Belt guard for a flotation cell | 09/06/2011 |
| 8006892 | Method for forming a tight-fitting silver surface on an aluminium piece The invention relates to a method for forming a highly electroconductive surface on an aluminum piece. A highly conductive layer of silver is formed on the piece by means of a eutectic join. The temperature of the aluminum piece is raised gradually and the oxide lay... | 08/30/2011 |
| 7997414 | Method for separating particles in hydrous slurry and a hindered-bed separator A method for separating particles in hydrous slurry comprises connecting at least one teeter water pipe of a teeter water distributor of a hindered-bed separator in fluid connection with a teeter water discharging mechanism, and discharging teeter water from the at ... | 08/16/2011 |
| 7997303 | Pipe segment for a transfer line for transporting hot particulate material The present invention relates to a pipe segment including an outer and an inner pipe section, with the inner pipe section being positioned within the outer pipe section, and a support means supporting the inner pipe section in relation to the outer pipe section so t... | 08/16/2011 |
| 7981299 | Thickener and method for thickening The invention relates to an apparatus and a method for thickening liquids carrying suspended particles, such as a slurry containing minerals. The thickening apparatus comprises a tank (2), a feedwell (4), which includes a chamber having an inlet for re... | 07/19/2011 |
| 7980824 | Rotor for a flotation machine The invention relates to a rotor of a flotation machine, particularly to a rotor, that is used for dispersing air to a slurry, and which rotor comprises alternating air ducts and slurry grooves and a collar fitted to the rotor for guiding the slurry flow into the in... | 07/19/2011 |
| 7964080 | Device and method for handling metal sheets The invention relates to a turning device for metal deposits used in combination with a separating device, comprising at least one turnable receiving unit mounted on a rotating axle under the separating device and in the vicinity of at least one conveyor, guiding me... | 06/21/2011 |
| 7947107 | 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... | 05/24/2011 |
| 7886912 | Auxiliary agitator for a flotation device The invention provides an agitator (1) is disposed to agitate slurry within a flotation tank (2). The agitator includes a rotor (6) mounted on one end of a centrally disposed drive shaft (7) extending axially downwardly into the tank and ... | 02/15/2011 |
| 7878156 | Method and plant for the conveyance of fine-grained solids The present invention relates to a method for the conveyance of fine-grained solids in a fluidized bed reactor and also to a corresponding plant. It is proposed to introduce a first gas or gas mixture from below through a central tube (3) into a mixing chambe... | 02/01/2011 |
| 7871504 | Method for forming an electrocatalytic surface on an electrode and the electrode The invention relates to a method of forming an electrocatalytic surface on an electrode in a simple way, in particular on a lead anode used in the electrolytic recovery of metals. The catalytic coating is formed by a spraying method which does not essentially alter... | 01/18/2011 |
| 7854608 | Method and apparatus for heat treatment in a fluidized bed The present invention relates to a method for the heat treatment of fine-grained solids, in particular gypsum, in which the solids are heated to a temperature of 50 to 1000° C. in a fluidized bed reactor (1), and to a corresponding plant. To improve the ener... | 12/21/2010 |
| 7841474 | Beltless rare earth roll magnetic separator system and method A material separator system and method for magnetically separating components of feedstock by directing the feedstock onto a thin rotating shell enclosing one or more rotating magnetic rolls capable of riding upon the interior of the shell. In one embodiment, a cam-... | 11/30/2010 |
| 7837970 | Process and plant for the production of sulphuric acid The invention relates to a process and plant for producing sulphuric acid by catalytic oxidation of SO2 to form SO3 in a converter with at least one contact stage, the SO3-containing process gas, after it has passed through at least ... | 11/23/2010 |
| 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 |
| 7820134 | Process and plant for producing sulfuric acid There are described a process and a plant for producing sulfuric acid by catalytic oxidation of SO2 to SO3 and subsequent absorption of SO3 in sulfuric acid, wherein the SO3 is introduced into a first absorption stage and ... | 10/26/2010 |
| 7820046 | Filter assembly for sampling A filter assembly is provided for obtaining a filtered liquid sample from slurry, such as a liquid process stream that contains liquid, dissolved matter and solids. A housing defines a cavity. A rod is arranged in the cavity and supports a filter. A cartridge compri... | 10/26/2010 |
| 7811534 | Method for the treatment of copper-bearing materials The present invention relates to a method for the treatment of copper-bearing materials, such as copper concentrates, so that the impurities and gangue minerals in the materials, such as silicates, are in effect removed completely. ... | 10/12/2010 |
| 7811357 | Method for recovering rare metals in zinc leaching process Sulphidic zinc concentrate usually also includes small amounts of rare metals such as indium and gallium. If the content of these metals in the raw material is sufficiently high, their recovery may be economically worthwhile. In the method according to the invention... | 10/12/2010 |
| 7803268 | Method and plant for producing low-temperature coke The present invention relates to a method and a plant for producing low 15 temperature coke, in which granular coal and possibly further solids are heated to a temperature of 700 to 1050° C. in a fluidized-bed reactor (2) by means of an oxygen-containing gas... | 09/28/2010 |
| 7799114 | Method for recovering gold The invention relates to a method for recovering gold in connection with the hydrometallurgical production of copper from a waste or intermediate product containing sulphur and iron that is generated in the leaching of the copper raw material. The recovery of both c... | 09/21/2010 |
