Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 8177150 | Method and device for manufacturing dispersed mineral products The invention relates to a method for manufacturing dispersed mineral products by grinding the mineral raw material, sizing the same in a flow classifier, sorting the same in dispersion in air, and climinating the dispersion air. Also disclosed are devices and insta... | 05/15/2012 |
| 8172164 | Method and apparatus for a feed into a gasifier utilizing a slurry Disclosed is a feed system for a gasifier including a grinding mechanism capable of grinding a feedstock into particles of desired particle sizes. The particle sizes include solids particles larger than a first threshold size and raw fines particles smaller than a s... | 05/08/2012 |
| 8162242 | Method for isolating cellulose and other adhesive materials during the recycling of waste plastics, in particular mixed plastics A method for the removal of wood pulp and other adhering substances from waste plastics in the recycling of all types of waste plastics, of mixed plastics (MKS) in particular, in which foils and pieces from thicker plastic parts of if necessary pre-sorted waste plas... | 04/24/2012 |
| 8152079 | Method for dry grinding of one or more mineral materials consisting of at least one calcium carbonate A first object of the present invention is a process for dry grinding of one or more mineral materials which include at least one calcium carbonate, characterized in that the said process includes the stages of: a) crushing the min... | 04/10/2012 |
| 8141801 | Method for a continuous dry milling operation of a vertical grinding mill and vertical grinding mill A vertical grinding mill is provided including a closed vertical milling container in which a screw conveyor is arranged for rotary drive so as to convey grinding bodies to the top. The package of grinding bodies adjusts itself during operation such that the surface... | 03/27/2012 |
| 8141800 | Pulveriser mill The invention provides a method of improving an existing pulverizer mill by provision of an improved port ring located around the circumference of a grinding ring of the mill for common rotation therewith. The conventional port ring has openings separated by thin va... | 03/27/2012 |
| 8136746 | System for controlling coal flow in a coal pulverizer The present invention relates generally to the field of coal flow in the outlet portion of a coal pulverizer, and in particular to a new and useful system/apparatus, method and drive means for controlling the position of one or more coal flow vanes in the upper port... | 03/20/2012 |
| 8100351 | Method and device for grinding hot, wet raw material The invention relates to a method and a device for grinding hot, wet raw material. The invention is particularly suitable for the cement industry and the grinding and simultaneous drying of cement clinker, slag and aggregates. In order to achieve a throughput... | 01/24/2012 |
| 8074908 | Process for the comminution of composite materials The invention relates to a process for the comminution of composite materials, e.g. of electronics scrap, and also for the separation of the materials present therein, using a plurality of comminution stages and separation stages, with use of at least one hammer mil... | 12/13/2011 |
| 8070080 | Method of processing nepheline syenite powder to produce an ultra-fine grain size product The method of converting nepheline syenite particulate feedstock with a grain size profile to an ultra-fine grain finish product for subsequent commercial use, the ultra-fine grain final product has a maximum grain size of less than about 6 microns. The method compr... | 12/06/2011 |
| 8052077 | Method for preparing a carbon siccative for producing electrodes A method for preparing a carbon siccative for producing electrodes. The dust fraction is produced continuously by a mill/sifter combination with a grain size or specific surface area adjustable during operation, preferably by a roller grinding mill with an integrate... | 11/08/2011 |
| 7971808 | Method for a continuous dry milling operation of a vertical grinding mill and vertical grinding mill The invention relates to a vertical grinding mill including a closed vertical milling container in which a screw conveyor is arranged for rotary drive so as to convey grinding bodies to the top. The package of grinding bodies adjusts itself during operation such tha... | 07/05/2011 |
| 7942351 | Method of processing nepheline syenite powder to produce an ultra-fine grain size product The method of converting nepheline syenite particulate feedstock with a grain size profile to an ultra-fine grain finish product for subsequent commercial use, the ultra-fine grain final product has a maximum grain size of less than about 6 microns. The method compr... | 05/17/2011 |
| 7878431 | Separator rotary feeder and method of using the same A rotary feeder for feeding a particulate material including: a cylindrical housing comprising a feeder inlet, a first feeder outlet, and a second feeder outlet; a rotor mounted in the cylindrical housing including a plurality of substantially impeller blades defini... | 02/01/2011 |
| 7878430 | Method and apparatus for uniformly dispersing additive particles in fine powders Blending methods for adding and uniformly mixing a small fraction of relatively small particles (additives) to a bulk particulate powder of larger size than the additives. In particular, the present invention provides blending methods for adding and uniformly mixing... | 02/01/2011 |
| 7810746 | Processing of steel making slags A process for separating different products from steelmaking slag includes reducing the average particle size of slag from a steelmaking process into fine particle size material, and separating the fine particle size material into at least an iron rich product and a... | 10/12/2010 |
| 7757976 | Method of processing nepheline syenite powder to produce an ultra-fine grain size product The method of converting nepheline syenite particulate feedstock with a grain size profile to an ultra-fine grain finish product for subsequent commercial use, the ultra-fine grain final product has a maximum grain size of less than about 6 microns. The method compr... | 07/20/2010 |
| 7665677 | Granular material grinder and method of use A granular material grinder and method of use includes a hammer mill for reducing incoming granular material into particulate material, a microgrinder for reducing the particulate matter into microground powder by particulate matter to particulate matter collisions,... | 02/23/2010 |
| 7540438 | Process for recovering rubber from rubber-bearing plants with a gristmill A process of recovering rubber from rubber-bearing plant materials in non-aqueous conditions by first drying the rubber-bearing plant material and then mechanically grinding the rubber-bearing plant material to produce rubber threads and finely ground root tissue. F... | 06/02/2009 |
| 7503513 | Method for sorting recyclable products A method of producing a fuel substance by separating materials in a recycling operation based on BTU component content is provided. A stream of materials including non-sorted, heterogeneous, recycled materials is shredded. The stream of materials is separated into h... | 03/17/2009 |
| 7481385 | Recovery of fuel and clay from a biomass A process is described for treating waste organic material such as the by-products from a pulp and paper mill, manure and straw to reduce its moisture content to a level at which the treated material is suitable for use as a fuel. The process involves the steps of f... | 01/27/2009 |
| 7472853 | Roller mill Described is a roller mill (1) for grinding particulate material such as cement raw materials, cement clinker and similar materials, said roller mill (1) comprising a housing (3) which surrounds a grinding table (7) which is rotatable abo... | 01/06/2009 |
| 7441716 | Aluminum recovering dry system and process A closed circuit, dry processing system for processing aluminum containing products and producing reusable particles of aluminum, and a process thereof. The aluminum containing products are crushed into chips which are then separated into iron-based and ironless chi... | 10/28/2008 |
| 7438244 | Method and apparatus for separation and recycling plastic An apparatus and method for separating contaminated plastic material from various types of contaminants, including paper, includes a grinder for reducing the size of the contaminated plastic material to a reduced size of pieces and an eductor for receiving the piece... | 10/21/2008 |
| 7380735 | Method for preparing extremely small particles of recycled polyethylene terephthalate A process for preparing extremely small RPET particles comprises proving a quantity of RPET flakes, increasing the crystallinity of the RPET flakes, separating a portion of the RPET flakes having the lowest particle density from the remainder of the RPET flakes, and... | 06/03/2008 |
| 7350727 | Roller mill, particularly air-swept roller mill, and method for grinding materials with magnetizable, particularly iron-containing constituents, E. G. slag The invention relates to a roller mill, particularly an air-swept roller mill provided with a device for separating magnetizable constituents, particularly iron particles from the milling area. The invention also relates to a method for grinding materials with magne... | 04/01/2008 |
| 7346961 | Fiber having increased filament separation and method of making same A flock material exhibiting an increased degree of filament separation prepared by cutting a fluoropolymer or carbon fiber yarn into lengths, introducing mechanical energy into the lengths in order to cause the lengths to separate into single-filaments fibers and re... | 03/25/2008 |
| 7325757 | Plastics recovery system A transportable system for separating materials in a waste stream. An arrangement of separation and grinding devices is mounted on a transportable platform. The devices are configured and arranged to produce three or more product streams from a plastic-rich feed mix... | 02/05/2008 |
| 7267293 | High efficiency bowl mill A high efficiency bowl mill (100) is provided by the present invention. Included in the high efficiency bowl mill (100) is a plow (185) that is downstream of a grinding roll (180) on a grinding surface (145). The plow (185) ... | 09/11/2007 |
| 7267230 | Mobile air powered material separator An apparatus for separating a mixed particulate material into particles of at least two different specific gravities or ranges of specific gravity, wherein the apparatus comprises an air compressor for providing compressed air into the discharge tube, which, through... | 09/11/2007 |
| 7264185 | Dry grinding system and dry grinding method The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average partic... | 09/04/2007 |
| 7264124 | Systems and methods for sorting recyclables at a material recovery facility Systems and methods for providing a quantity of cullet having at least two colors of glass from an input stream of recyclable material and non-recyclable material. In an embodiment, the system includes a sortation station, a screening apparatus, an air classifier, a... | 09/04/2007 |
| 7264184 | Birch bark processing and the isolation of natural products from birch bark The invention provides methods for separating outer birch bark from inner birch bark. The invention also provides methods for isolating betulin; lupeol; betulinic acid; 9,10-epoxy-18-hydroxyoctadecanoic acid; 9,10,18-trihydroxyoctadecanoic acid; polyphenolic polymer... | 09/04/2007 |
| 7255233 | Method and apparatus for separating mixed plastics using flotation techniques A method and apparatus are provided for separating mixed plastics using flotation techniques including a first stage initial washing tank for washing of incoming plastics and providing a first separation process and at least one separation module. The first stage in... | 08/14/2007 |
| 7252250 | Method and apparatus for extracting toner from toner cartridges The invention provides a method and apparatus for recycling toner cartridges. A shredder breaks up the toner cartridges into pieces, thereby releasing any toner from within the otherwise substantially sealed cartridges. The toner pieces along with any free toner pow... | 08/07/2007 |
| 7252253 | Bowl mill for a coal pulverizer with an air mill for primary entry of air A bowl mill for a coal pulverizer with an air mill for primary entry of air, comprising a substantially closed separator body (2) having a central axis; and a bowl-like grinding table (3) mounted on a shaft (4) rotatable about said central axis,... | 08/07/2007 |
| 7240867 | Processing system for manufacturing composite cementitious materials with reduced carbon dioxide emissions A processing arrangement for manufacturing composite cementitious materials, such as hydraulic blended cements, with significantly reduced Portland clinker minerals content. The arrangement includes a milling unit for pregrinding supplementary cementitious materials... | 07/10/2007 |
| 7232407 | Method for inerting mineral residues Method of inerting mineral residues comprising automobile grinding residues, in which method water is added to the mineral residues so as to form a paste, the paste is mixed with phosphoric acid, and the resulting mixture is calcined. ... | 06/19/2007 |
| 7208221 | Biocomposites sheet molding and methods of making those A Sheet Molding Compound (SMC) as prepregs and cured compositions with naturally derived fibers which have been dried for at least three hours is described. The SMC process combines polyester polymer or resin with the fibers preferably continuously. The molded produ... | 04/24/2007 |
| 7195183 | Method of processing composite wastes A method or processing composite waste including combustibles and incombustibles has a press process for pressing the composite waste, a dry distillation process for performing dry distillation on the pressed composite waste, a shredding process for shredding the co... | 03/27/2007 |
