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| Number | Title | Issue Date |
| 7373791 | Methods of forming particulate glass batch compositions The present invention provides method of contemporaneously forming a particulate glass batch composition and reducing volatile components in an exhaust stream, comprising the steps of: (a) introducing an exhaust stream comprising one or more volatile components into... | 05/20/2008 |
| 7318288 | Apparatus and method using an electrified filter bed for removal of pollutants from a flue gas stream A pollution abatement apparatus comprises an electrified filter bed preceded by a cyclonic mix chamber to remove wood fines and fly ash in a flue gas stream from a wood chip dryer heated by hot gas from an energy system that includes a wood waste combustor. The cycl... | 01/15/2008 |
| 7309379 | Moving bed adsorber/desorber and low flow (high yield) desorber devices and their methods of use Moving bed adsorber and desorber apparatus and methods, wherein adsorbent material (e.g., beads of resin) moves over a series of vane members and a fluid flow passes between the vane members and through the flowing bed of adsorbent. An adsorbent depth regulator is p... | 12/18/2007 |
| 7272879 | Glass molding die, renewal method thereof, and glass fabricated by the molding die A molding die for molding glass and renewal method thereof. The molding die includes a substrate, a nickel-phosphorous alloy layer, with phosphorous content 30 wt % or less, overlying the substrate, an intermediate layer overlying the nickel-phosphorous alloy layer,... | 09/25/2007 |
| 7260960 | Selective glass batching methods for improving melting efficiency and reducing gross segregation of glass batch components A method of controlling reaction paths of glass batch components added to a resident glass melt is provided, including the steps of providing a plurality of raw material batch components according to a batch recipe, selectively combining a portion of the batch compo... | 08/28/2007 |
| 7232493 | Glass washing machine with conveyor and brush speed control A glass sheet washing machine comprising a conveyor for moving a glass sheet along a path of travel at a controlled linear speed and a brush rotatable at a controlled rotational speed positioned along said path of travel such that said brush contacts the glass sheet... | 06/19/2007 |
| 7198206 | Compact gassing lance A compact gassing lance including tubing having a tubing plenum and a distribution opening; a supply line operably connected to supply gas to the tubing plenum; and a screen attached to the tubing over the distribution opening and forming a screen plenum; wherein th... | 04/03/2007 |
| 7195480 | Shaft preheater The invention relates to a shaft preheater for preheating material in lump form with at least one shaft for receiving the material, a bridge disposed in the shaft for delivering hot gases which flow through the material from the bottom upwards, and a device for fill... | 03/27/2007 |
| 7194334 | Method of washing a contaminant from a surface via a robotic arm A robotic wash cell including a six-axis robotic arm and end effector equipped with nozzles that spray unheated, solvent free, pure water at high-pressure to clean or debur objects by maintaining the nozzles in close proximity and substantially normal to each surfac... | 03/20/2007 |
| 7168269 | Gas injection for glass melting furnace to reduce refractory degradation A glass melting furnace has a gas inlet positioned proximate to a charging section oxy-fuel combustion region to introduce gas into the region and to at least partially displace gas having a partial pressure of alkali vapor from the region, and optionally a gas outl... | 01/30/2007 |
| 7169725 | Ceramic products, raw batch formulations, and method The invention provides a method to transform large quantities of waste glass into useful ceramic products by a low-cost manufacturing process. The method improves green strength compared to previous methods, and does not require water or any other liquid solvent. On... | 01/30/2007 |
| 7155934 | Method for the production of borosilicate glass with a surface suitable for modification glass obtained according to said method and the use thereof The method of making borosilicate glass with a surface having reactive SiOH groups on it includes preparing a borosilicate glass melt and dissolving at least 30 mMol per liter of water in the borosilicate glass melt. The borosilicate glass contains from 70 to 87 per... | 01/02/2007 |
| 7143610 | Method and system for feeding and burning a pulverized fuel in a glass melting furnace, and burner for use in the same A method and system feed and burn pulverized fuel, such as petroleum coke, in a glass melting furnace having burners associated with sealed regenerative chambers which act as heat exchangers. The system supplies the pulverized fuel for melting glass raw materials. T... | 12/05/2006 |
| 7135052 | Cassette filter A cartridge filter includes a folded package including filter material and a frame holding the folded package. The frame includes a plurality of profiled strips having identical profiles, and each having two ends. The frame also includes a plurality of corner joints... | 11/14/2006 |
| 7108808 | Method for waste vitrification A waste vitrification apparatus (10) having rotatable mixer impeller (16) functioning as a shaft electrode (60) and metallic vessel (14) functioning as a vessel electrode (62). A stream (12) of waste material and vitrifiable... | 09/19/2006 |
| 7073354 | Method for manufacturing optical fiber preform and burner apparatus for this method for manufacturing optical fiber preform The present invention provides an optical fiber preform manufacturing method and a burner apparatus employed for this method. In this manufacturing method, when glass particles are synthesized in an oxy-hydrogen flame emitted from a burner to form a porous optical f... | 07/11/2006 |
| 7055345 | Glass base material manufacturing apparatus and glass base material manufacturing method An apparatus for manufacturing a glass base material, which is a base material of an optical fiber, comprising: a base rod, around and along which said glass base material is formed; a burner that hydrolyzes and accumulates a gas material, which is a base material o... | 06/06/2006 |
| 7054717 | Robotic wash cell using recycled pure water The present invention pertains to a robotic wash cell including a six-axis robotic arm and end effector equipped with nozzles that spray unheated, solvent free, pure water at high-pressure to clean or debur objects by maintaining the nozzles in close proximity and s... | 05/30/2006 |
| 7033556 | Method and apparatus for cake-forming granular-bed filtration There is provided a granular-bed filter for cleaning a gas containing fine particulate matter (“dust”). A multiplicity of vertically disposed filter trays are assembled to form a “panel.” In each filter tray, an inclined porous plate supports a bed of granul... | 04/25/2006 |
| 7017371 | Method for producing a glass Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge o... | 03/28/2006 |
| 6974494 | Apparatus and method using an electrified filter bed for removal of pollutants from a flue gas stream Pollutants in a flue gas stream from a dryer of products, such as wood chips, are removed by a pollution abatement system that includes an electrified filter bed unit for removing solid particulates. To prevent deteriorated operation of the electrified filter bed un... | 12/13/2005 |
| 6939125 | Method for reducing nitrogen oxides in combustion gas from combustion furnace A method for reducing NOx, in a combustion gas which is discharged from a combustion furnace for burning a fuel by means of a gas containing oxygen in an amount of at least 80 vol % and which contains oxygen, which method comprises adding a combustible ma... | 09/06/2005 |
| 6939651 | Electrophotographic photoconductor, and process cartridge and electrophotographic apparatus using the same An electrophotographic photoconductor comprising at least an electroconductive support and a photoconductive layer which is formed on said electroconductive support, the outermost layer of the photoconductor contains particles comprising a polyorganosiloxane-contain... | 09/06/2005 |
| 6923021 | Method and apparatus for fused silica production A fused silica production furnace and methods of producing fused silica are disclosed. The furnace and the methods involve using a foamed refractory having a network of interconnected pores. ... | 08/02/2005 |
| 6763683 | Method for pure, fused oxide A method and furnace are described for producing a fused oxide body by decomposing a precursor compound of the oxide in a flame to form molten oxide particles and collecting those particles in a furnace constructed of a refractory material to form a fused oxide body... | 07/20/2004 |
| 6739156 | Maintaining a plug-free system during a silica soot creation process The present invention is directed to a system and method for delivering liquid reactants through a burner assembly to form soot used in the manufacture of glass, and in particular, optical waveguides. Due to the tendency of liquid reactants to react to form solids w... | 05/25/2004 |
| 6619074 | Apparatus and method for production of a porous optical fiber preform An apparatus for the production of a porous optical fiber preform preventing cracks in the preform and stabilizing quality over the longitudinal direction. The apparatus includes a reaction portion, a feed port for introducing a stream of gas, and a main ... | 09/16/2003 |
| 6615612 | Electrostatic batch preheater and method of using the same A method and apparatus is taught for preheating of glass batch materials by direct contact with glass furnace exhaust gases. Furnace gases 15 flow through a batch hopper 1 in horizontal tunnels formed by open bottom tubes 6, with a free surface of batch f... | 09/09/2003 |
| 6579380 | Method and apparatus for cleaning molds used in the glass fabrication industry A method of removing graphite from metal molds used in the glass fabrication industry, the method including placing a metal glass-fabricating mold with graphite bonded thereto in a chamber, providing an oxygen rich mixture of combustible gases in the cham... | 06/17/2003 |
| 6574991 | Pure fused silica, furnace and method An article of relatively pure silica, and a furnace and method of producing the article. The article is produced by collecting molten silica particles in a refractory furnace in which at least a portion of the refractory has been exposed to a halogen-cont... | 06/10/2003 |
| 6560994 | Mold used for molding glass optical elements process for preparation of glass optical elements and method for rebirth of mold Disclosed is a mold including upper and lower molds for obtaining glass optical elements by press molding a glass molding material softened by heat, in which either one of the upper and lower molds is made of a ceramic matrix and the matrix has no surface... | 05/13/2003 |
| 6463764 | Germanium-containing particulate capture from an exhaust gas stream of a glass production system The invention relates to a method and apparatus for a glass manufacturing facility. The apparatus includes a glass production system providing an exhaust stream entrained with particulate material including germanium--containing particulate. The apparatus... | 10/15/2002 |
| 6449986 | Method of production of porous glass base material for optical fiber with cleaning of the burner with gas at 25 m/s or faster In a method of manufacturing a porous glass preform for an optical fiber which preform is formed as a deposit of fine glass particles by using a burner, a method to prevent the contamination of any glass particles having failed to be properly deposited so... | 09/17/2002 |
| 6336346 | Synthetic silicate pellet composition and methods of making and using thereof A synthetic silicate pellet is provided having a component(s) of calcium and magnesium, either together or in the alternative. Such pellet is further provided with either an aluminate silicate binder and/or an ion flow catalyst. The synthetic silicate pel... | 01/08/2002 |
| 6318127 | Method of glass manufacture involving separate preheating of components Provided herewith is a method for preheating a glass mixture to be fed into a glass furnace. The method comprises separately preheating at least some of the materials which comprise the load, and then subsequently remixing the preheated materials and pass... | 11/20/2001 |
| 6301930 | Apparatus for washing curved sheets of glass and corresponding method An apparatus and corresponding method for cleaning curved sheets of glass. The apparatus indexes glass sheets in a non-continuous manner through at least a pre-washing zone, a washing zone, a rinsing zone, and/or a drying zone. The glass sheets proceed th... | 10/16/2001 |
| 6235666 | Grey glass composition and method of making same A high LTa, low UV and IR transmittance grey glass employing as its colorant portion iron (Fe2 O3 /FeO), erbium (Er2 O3) and, optionally, titanium (TiO2). Enhanced effects are achieved by forming sepa... | 05/22/2001 |
| 6210082 | Method for repairing diametral surfaces of glass manufacturing molds A method of repairing a diametral surface of a mold of the type used in manufacturing glass containers by an I.S. machine, after a repair procedure that causes or can cause an out-of-roundness condition in the diametral surface. The method, which is appli... | 04/03/2001 |
| 6067821 | Process for making mineral wool fibers from lumps of uncalcined raw bauxite A process for making mineral wool fibers having high-temperature stability consisting essentially of: (a) preparing a mixture containing basalt and a quantity of uncalcined raw bauxite sufficient to provide the resulting fibers with an alumina content of ... | 05/30/2000 |
| 5968218 | Invert cylinder mechanism for glass forming machine with removable shock absorber and method of removing the shock absorber An invert cylinder mechanism for a glass container forming machine of the I.S. type, the invert cylinder mechanism having a piston that is moveable along a rectilinear path between inner and outer positions within an annular housing to cause a cylinder ro... | 10/19/1999 |
