Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8152080 | Systems and methods for reducing the particle size of a pozzolan Methods for comminuting the pozzolanic material include (i) providing a comminuting apparatus including a rotatable drum and an agitation medium positioned within the rotatable drum and configured to slidably move along the interior surface of the drum when the drum... | 04/10/2012 |
| 8132748 | Method of making hydrophilic fluoropolymer material A fluoropolymer material exhibiting an increased hydrophilicity prepared by processing the material in a cryogenic grinding mill. ... | 03/13/2012 |
| 8109453 | Method of using a materials crusher and bottom dump feeder A machine for quenching, crushing and feeding material that includes a continuous loop drag chain conveyor. A first portion of the conveyor travels through a quenching tank and a second portion travels beneath the tank's bottom wall. Large blocks of hot material are... | 02/07/2012 |
| 8061633 | Apparatus for use in sample analysis A vial and impactor combination for use in a cryogenic mill is disclosed. The impactor includes a steel or similar core, and a surrounding exterior of polycarbonate or similar inert material. The vial is made preferably of polycarbonate with endcaps also made of pol... | 11/22/2011 |
| 8011605 | Liquefying de-watered sludge preparatory to drying Sewage sludge that has been de-watered to 25% solids is subjected to a combination of shearing and heating that liquefies the sludge, and drops its viscosity to below 12,000 cP. The fact of liquefaction prepares the sludge such that subsequent drying can be done mor... | 09/06/2011 |
| 8006925 | Control method for superfine powder grinding industrial waste slag in an energy-saving and environmental-friendly type of closed cycle with high yield and the apparatus for the same The present invention provides a control method for superfine powder grinding industrial waste slag in an energy-saving and environmental-friendly type of closed cycle with high yield and the apparatus for the same. The method combines a drying process and a powder ... | 08/30/2011 |
| 7980494 | System for recycling of HDPE from motor-oil containers The present invention provides an integral system for recycling post consumer motor-oil plastic containers. Oils and especially motor-oil, physically attaches to its HDPE (high density polyethylene) containers demanding a unique recycling process. As described by th... | 07/19/2011 |
| 7963467 | Safety system for a roller grinding mill, and method for the production of cement The invention relates to a safety system ensuring availability of a milling or crushing plant with a roller grinding mill, which is provided in a combined plant, more particularly for the mill drying of cement raw material. For bringing about an almost 100% r... | 06/21/2011 |
| 7900857 | Cooling and processing materials Systems and methods for cooling and processing materials are disclosed. ... | 03/08/2011 |
| 7857244 | Shape engineering of nanoparticles Methods for preparing high aspect ratio nanomaterials from spherical nanomaterials useful for oxides, nitrides, carbides, borides, metals, alloys, chalcogenides, and other compositions. ... | 12/28/2010 |
| 7757977 | Method for comminution of material The invention relates to a method for comminution of material in a grinding mill, in which method the ground material from the mill is classified by means of particle sizes. After the classification of the ground material at least the part of the material having a p... | 07/20/2010 |
| 7699248 | Method for recycling waste material of thermoplastic resin molded article as resources A method for recycling comprises a pulverization step (S1) of pulverizing thermoplastic resin molded articles, each having a different softening point in a resin substrate and having a metal part and a coupling film, a metal-material selection-removal step (S... | 04/20/2010 |
| 7694903 | Method for recovering and/or recycling material A method for recovering and/or recycling starting silicon material by crushing the starting material. The recovered or recycled material is melted, and crystals, e.g. as a silicon block, tube, or strip, are grown from the obtained melt. To use starting materials tha... | 04/13/2010 |
| 7669791 | Method and device for producing highly active rubber powder from rubber wastes Highly-active rubber powder is obtained from old tires etc. by 2-stage pulverisation in a special extruder, involving an increase in volume stress to 15-250 MPa at 5-90 MPa/second, pulsating with an amplitude of +/−5-20 MPa and a frequency of 5-600 Hz, and at 90-3... | 03/02/2010 |
| 7635100 | Process and system for treating steel slag This invention relates to a process and system for treating steel slag, which comprises: collecting the steel slag into a tank and carrying the tank onto a tipping device by a hoisting equipment; operating the tipping device to transport the steel slag to a granulat... | 12/22/2009 |
| 7621474 | Method and apparatus for calcining gypsum The subject invention relates generally to methods and apparatuses for calcining gypsum. The apparatuses and methods place a gypsum particle optimizer in close association with the impact mill so that all the gypsum supplied to the impact mill has to enter the gypsu... | 11/24/2009 |
| 7584911 | 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... | 09/08/2009 |
| 7571870 | Apparatus, system, and method for condensing, separating and storing recyclable material An apparatus, system, and method are disclosed for condensing, separating and storing recyclable materials. The apparatus, in one embodiment, stores recyclable materials and melts the recyclable materials into a condensed form. The apparatus may include an enclosure... | 08/11/2009 |
| 7562836 | Apparatus, system, and method for condensing, separating and storing recyclable material An apparatus, system, and method are disclosed for condensing, separating and storing recyclable materials. The apparatus, in one embodiment, selects a type of recyclable material, alters the recyclable material to a condensed form and stores the recyclable material... | 07/21/2009 |
| 7559494 | Method of forming non-stoichiometric nanoscale powder comprising temperature-processing of a stoichiometric metal compound Nanotechnology methods for creating stoichiometric and non-stoichiometric substances with unusual combination of properties by lattice level composition engineering are described. The modified properties described include electrical conductivity, dielectric constant... | 07/14/2009 |
| 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 |
| 7434981 | Manufacturing method of metal paste A metal paste, in which a filler mainly composed of metal is mixed with good dispersibility, is manufactured with good productivity at a low cost without generating a foil of the metal. A paste-like material (referred to as a paste material hereafter) containing a m... | 10/14/2008 |
| 7429009 | Process for production of water-absorbing material An object of the present invention is to make it possible, in order to form the fine powder of the water-absorbent resin into a water-absorbing material having particle diameters favorable for practical use, that a water-absorbing material which has high agglomerati... | 09/30/2008 |
| 7410110 | Efficient process for making tackifiers and adhesives An improved process for preparing tackifiers and adhesives is an improved energy efficient process for preparing tackifiers, adhesives and dispersions of low-molecular weight polymers and other materials in water. Fine grinding of a low molecular weight polymer is p... | 08/12/2008 |
| 7407122 | Method of processing multicomponent, composite and combined materials and use of so separated components The nature of the method of treating multicomponent, composite and combined materials, consisting of organic and inorganic, non-metallic and metallic components and especially of waste from electronic and electric devices and equipments, consists in that the treated... | 08/05/2008 |
| 7384010 | Process for producing crushed product, apparatus therefor and crushed product A process for producing an oxygen-free, non-denaturable, cooled and dried crushed product of superior quality by effecting efficient crushing by a simple apparatus in an easy operation while preventing a decrease in qualities such as flavor, taste and masticating fe... | 06/10/2008 |
| 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 |
| 7377955 | Method and apparatus for treatment of metallurgical slag and the like A substantially dry and dust free method of recovering ladle slag is allowing hot ladle slag to cool to powder form in a controlled environment and collecting the powder in a receiver therefor. A vessel having a chamber containing in an upper portion a screen throug... | 05/27/2008 |
| 7350726 | Method of converting cotton waste to mulch Cotton waste is transferred to a heated reactor and mixed with a pigment in the presence of steam. Cotton waste is converted to mulch by a plurality of rotating mixing elements disposed in the reactor and which mix, cut and/or chop the cotton waste therein. In parti... | 04/01/2008 |
| 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 |
| 7341700 | Method for recovery of metals from metal-containing materials using medium temperature pressure leaching The present invention relates generally to a process for recovering copper and other metal values from metal-containing materials using controlled, super-fine grinding and medium temperature pressure leaching. Processes embodying aspects of the present invention may... | 03/11/2008 |
| 7341000 | Slipsheet compactor system A slip-sheet compactor for an imaging device with automatic media handling capabilities provides a two-stage compaction for a slipsheet removed from a media sheet to be imaged. A pair of rollers advances the slipsheet into a pre-compression chamber effecting a first... | 03/11/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7335862 | Resistance heater having a thin-line-shaped resistor A resistor heater includes an anode (10) arranged along one side and a cathode (20) arranged along the other side of a thin-line-shaped resistor (30). The anode (10) is connected to the resistor (30) at connections points (P2 | 02/26/2008 |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 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 |
| 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 |
| 7316365 | Method of integrated processing of waste materials Taught herein are methods of integrated material processing, especially integrated processing of waste materials. According to the methods, waste materials are exposed simultaneously to two or more unit operations, and the physical phenomena associated with each of ... | 01/08/2008 |
| 7290583 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 11/06/2007 |
| 7285058 | Pre-vulcanized or pre-crosslinked materials for golf balls The present invention relates to golf ball components and golf balls comprising high levels of pre-vulcanized or pre-crosslinked materials, as well as methods of making same. The pre-vulcanized or pre-crosslinked materials are typically thermoset materials that are ... | 10/23/2007 |
