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| Number | Title | Issue Date |
| 8157193 | Waterless separation methods and systems for coal and minerals A waterless method of processing coal to remove impurities therefrom includes drying a batch of coal to remove moisture therefrom, pulverizing the coal into individual coal particles to liberate impurity particles from the coal and without substantially reducing the... | 04/17/2012 |
| 8146841 | Production of clean glass particles from post-consumer waste Clean glass particles are produced from post-consumer mixed glass and like waste streams by a series of pulverizing, size- and material-based separation, ozonation, drying, sizing, and paper fluff removal steps. ... | 04/03/2012 |
| 7959096 | Wells prescription label shredder As previously disclosed this invention will change a lot of ways the prescription bottle is used, such as Americans won't have to keep them for lack of time to destroy them. The shredder will prevent a lot of injuries from people trying to scrap information off the ... | 06/14/2011 |
| 7578457 | Method for producing fine dehydrided metal particles using grinding media Grinding media, including shaped media such as spheres or rods ranging in size from about 0.5 micron to 100 mm in diameter, are formed from a multi-carbide material consisting essentially of two or more carbide-forming elements and carbon, with or without carbide-fo... | 08/25/2009 |
| 7364642 | Recycling of latex-containing broke Methods for recycling latex-containing broke are generally provided. Specifically, mechanical treatment may be employed to rework latex-containing broke for reuse in various products without the need for treatment with chemicals, such as hypochlorite, chlorine, or h... | 04/29/2008 |
| 7361401 | Surface coverings containing fused recycled material and processes of making the same A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ... | 04/22/2008 |
| 7357706 | Method and a plant for preparing shrimps A method of preparing shrimps includes boiling them at a pressure exceeding atmospheric pressure, at a temperature exceeding the boiling temperature of water at atmospheric pressure, for keeping the meat of the shrimps in a compressed state while causing the meat to... | 04/15/2008 |
| 7347391 | Waste processing apparatus and method The present invention includes an apparatus and method for processing solid waste products. The apparatus comprises a rotatably mounted cylindrical vessel having a first end, a second end and an interior surface, at least one end terminating in a hatch that may be o... | 03/25/2008 |
| 7338698 | Homogeneously branched ethylene polymer carpet, carpet backing and method for making same The present invention pertains to carpet and methods of making carpet. In one aspect, the carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary ... | 03/04/2008 |
| 7325758 | Method of upgrading composite materials The invention relates to a method of upgrading a composite material containing fibrous matter and non-fibrous plastic matter. The inventive method includes the following steps consisting in: cooling the composite material to a temperature of between −40° C. and +... | 02/05/2008 |
| 7312262 | Methods and compositions for microsurfacing A composition for microsurfacing of pavement is described. The composition includes a polymer-modified emulsion asphalt oil, water, cement, and crushed aggregate. The crushed aggregate includes a first portion having an L.A. abrasion resistance which is higher than ... | 12/25/2007 |
| 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 |
| 7267291 | Additive for increasing the density of an oil-based fluid and fluid comprising such additive A wellbore fluid having an oleaginous phase and an additive for increasing the density of the wellbore fluid. The additive comprises solid colloidal particles coated with a dispersant during the comminution process of forming the particles. Exemplary starting materi... | 09/11/2007 |
| 7172143 | Method and plant for separating polymeric materials A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit... | 02/06/2007 |
| 7169263 | Coarse dirt collector for removing coarse material from a pulper and corresponding method The invention relates to a coarse dirt collector (7) for removing coarse material from a pulper (1). The coarse dirt collector (7) comprises a support arm (8) with a collecting basket (9). The collecting basket (9) consists ... | 01/30/2007 |
| 7163604 | Production of fiber suspension from waste paper A fiber suspension is produced from waste paper by first filling a pulper with a batch of the waste paper. The pulper is operated to partly defibrate the batch of waste paper substantially without disintegrating coarse imputities into finer impurities. The partly de... | 01/16/2007 |
| 7124970 | Method and apparatus for processing various materials The invention relates to a method and a an apparatus for processing various materials, the apparatus including at least two annular feed gaps placed one within the other. The beginning of each feed gap is provided with a grinding section (5), which is followe... | 10/24/2006 |
| 7121487 | Screening apparatus with hammermill A screening machine on a frame with a hopper having a conveyor belt. The conveyor belt discharges particulate material poured into the hopper into a rotating barrel screen or vibrating planar screen for sifting the material. A hammermill apparatus is pivotably mount... | 10/17/2006 |
| 7115671 | Process for recovering monomeric units of a nylon from whole carpet The invention relates to a process for recovering monomeric units of a nylon from carpet material. The carpet material includes fibres containing nylon bound to a backing containing one or more non-nylon components. The carpet material contains between 15 and 35 wt.... | 10/03/2006 |
| 7093781 | Process and apparatus for manufacturing powder rubber A process and apparatus for making crumb and powder rubber from preprocessed rubber particles. The process and apparatus provides an energy efficient operation wherein the preprocessed rubber particles are dried, precooled, frozen, comminuted and sized using a close... | 08/22/2006 |
| 7090080 | Free wire reclaimer system for scrap tire processors An apparatus for providing free wire reclamation from a granulated stream of mixed metallic and nonmetallic material comprises a vibratory conveyor having a trough assembly mounted on a suspension system and coupled to a motor for causing the suspension system to vi... | 08/15/2006 |
| 7051880 | Air classifier to separate solids while eliminating emissions An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in resp... | 05/30/2006 |
| 7014132 | Method and plant for separating polymeric materials A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit... | 03/21/2006 |
| 6948650 | Dross removal and solder reclamation improvements When dross is removed from a molten-solder reservoir, a substantial amount of molten solder is often removed with the dross. This molten solder can be separated from the dross and returned to reservoir via a conduit for reuse. Additionally, a skimmer for removing th... | 09/27/2005 |
| 6936201 | Surface coverings containing fused recycled material and processes of making the same A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ... | 08/30/2005 |
| 6926063 | Method for conditioning foundry moulding sand and a device therefor A method for conditioning cooled used moulding sand retaining moulding sand binder in a mixer (1), wherein the cooled used moulding sand is heated to at least a minimum temperature, moisturized by providing water or water vapor through holes in an agitator an... | 08/09/2005 |
| 6903142 | System for sorting and processing a plurality of types of solid waste products for recycling The present invention 10 discloses a trash and garbage processing device which may be sized to fit into a kitchen of a home or sized to be used in a multi-family dwelling. The present invention 10 has a plurality of sorting compartments 12 dispo... | 06/07/2005 |
| 6713038 | TiO2 compounds obtained from a high silica content ore A titanium dioxide compound was isolated from a rare type of naturally occurring ore. Processes for efficiently isolating and obtaining these TiO2 compounds, as well as methods for using them have been developed. These TiO2 compounds may be use... | 03/30/2004 |
| 6691765 | Products for the manufacture of molds and cores used in metal casting and a method for their manufacture and recycle from crushed rock A system and method for producing foundry quality sand from non-conventional starting materials through the combination of oolitization and classification. Incoming particulate matter is first directed into a controlled energy attrition unit where the par... | 02/17/2004 |
| 6578780 | Method for disintegrating sewage sludge There is a method for the mechanical disintegration of biogenic sewage sludge, for which the sewage sludge, in an initial state, has microorganisms in the form of cells and a solid, which is formed essentially from aggregates of cells and suspended materi... | 06/17/2003 |
| 6457404 | Polished cereal processing apparatus An apparatus for processing polished cereal to obtain no-bran cereal having a reduced size. The apparatus comprises a polished cereal processing section for removing bran remaining on surfaces of polished cereal by mixing granular material with the polish... | 10/01/2002 |
| 6338446 | Method of removing a metallic coating layer from scrap metal pieces A metallic coating layer is removed at least partly from scrap metal pieces having a core and the coating layer on the core. The coating layer has a lower melting temperature than the core. The scrap metal pieces are agitated in a container with abrading ... | 01/15/2002 |
| 6295794 | Joint compound including recycled constituents and method and system for making the same A composition of matter for joint or texture compound used in wallboard applications which incorporates an ingredient which has been reclaimed from waste wallboard panel. A method and system for reconstituting the waste wallboard into the joint compound i... | 10/02/2001 |
| 6258150 | Process for the beneficiation of waste material and the product developed therefrom An iron based product having at least a sufficient total ferrous content by weight to render the product commercially feasible wherein the product is derived by a process comprising the beneficiation of kish slag waste material having a relatively low fer... | 07/10/2001 |
| 6140463 | Process for recycling and recovery of purified nylon polymer The invention comprises an improved recycling and recovery process for rugs, flooring, carpeting, carpeting materials, and other textiles particular from waste carpet containing at least some synthetic fiber backing materials, and at least some nylon as w... | 10/31/2000 |
| 5918819 | Devices and methods for isolating seeds of vegetables and fruits and for releasing and separating same from coats Devices and corresponding mechanical non-fermentive methods for isolating seeds from fruits or vegetables and for releasing and separating the isolated seeds from their coats, according to one embodiment the device includes a first station including a fir... | 07/06/1999 |
| 5855325 | Method of separating glass from film in the recycling of laminated glass panes A method of separating glass from film in a recycling of laminated panes, includes the following consecutive steps: in a crusher, breaking the glass carried on the film; heating the broken panes in a heating bath; and removing the glass from the film in a... | 01/05/1999 |
| 5699724 | Cleaning and sorting bulk material For cleaning foodstuffs in the form of a bulk material, such as cereal grains, rice grains, soybeans, sunflower seeds, coffee beans, and the like, there is provided an optical sorting device (24, 24a, 24a') subsequent to a precleaning system (6), which en... | 12/23/1997 |
| 5683040 | Method for recycling waste from printed circuit board assemblies from electrical and electronic devices The invention relates to a method for recycling electronic waste in the form of disassembled printed circuit boards from electronic devices, from which the components have not been removed, known as printed circuit boards. After removal of the batteries, ... | 11/04/1997 |
| 5683044 | Process-optimized hammer mill A hammer mill for batchwise operation has a mill housing having a perforated screening plate intended for discharging a fine fraction of the milling material. A coarse fraction of the milling material is emptied through an emptying flap. A supply shaft op... | 11/04/1997 |
