...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 |
| 8017089 | Method and apparatus for conducting supercritical wet oxidation reactions contained within a fluid envelope A method and apparatus for conducting supercritical wet oxidation reactions wherein any precipitated solids do not contact the solid side walls of the containment vessel so as to prevent any of these precipitated solids from adhering to or corrode the vessel walls i... | 09/13/2011 |
| 7402290 | Condensation reduction in fluid mixing Methods and apparatus are disclosed for mixing fluid streams of different compositions to minimize fluid condensation inside a mixing vessel where the objective is to produce an all-vapor mixture product. ... | 07/22/2008 |
| 7399408 | Device for supercritical water oxidation of materials A method and device for oxidization of materials in supercritical water. The method involves a) introducing a fluid containing water and an oxidizing agent in a ring-shaped area and through a first end of a substantially tube-shaped reactor comprising an external wa... | 07/15/2008 |
| 7350961 | Agitation mixer, pasteurizer, and cleaning device Dissolution of a raw material, fusion of a raw material, or treatment for enhancing the fluidity of a raw material is completed in a short time by an agitation mixer 10 comprising a casing 20 in which a flow channel allowing the passage of fluid is mou... | 04/01/2008 |
| 7293909 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing including a flow channel through which fluid passes, an agitation body consisting of a shaft installed in the casing and connected to a motor and an agitation blade mounted on the perimeter of the shaft, a powder ... | 11/13/2007 |
| 7230037 | Method for mixing a polyol component and an isocyanate component The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ... | 06/12/2007 |
| 7182861 | System for separating electrophotographic carrier compositions and recycling the compositions A method for use in two-components electrostatic image developers is disclosed, in which secure separation of a carrier coating resinous materials from a core magnetic material is achieved without affecting the properties of the core materials through process steps ... | 02/27/2007 |
| 7140291 | Oil-free/oil-less air compressor with an improved seal An oil-free/oil-less air compressor with a piston positioned for reciprocating in a bore, the piston having a first piston ring assembly made from a rigid, high temperature polymer, and a second piston ring assembly comprising a first portion that engages the bore, ... | 11/28/2006 |
| 7103450 | Automated liquid manufacturing system A method for continuously preparing a medium formulation mixes a diluent with a plurality of chemically incompatible concentrate solutions in such a manner that none of the ingredients of the concentrate solutions chemically react in an adverse manner. The method ut... | 09/05/2006 |
| 7090391 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing 12 including a flow channel through which fluid passes, an agitation body consisting of a shaft 14 installed in the casing 12 and connected to a motor 18 and an agitation blade 16 | 08/15/2006 |
| 7045100 | Method for producing fatty acid methyl ester and equipment for realizing the same Method for producing fatty acid methyl ester, including compounding saturated and unsaturated higher fatty substances from at least one of vegetable and animal with an alkaline solution dissolved in alcohol to form a mixture. The method also includes emulsifying the... | 05/16/2006 |
| 6978851 | Drill cutting treatment method and apparatus A method and apparatus for treating for disposal oil-contaminated clay substrates such as drill cuttings from drilling with an oil-based mud. If necessary, the substrate is pretreated with an aqueous emulsion breaker such as alkylbenzenesulfonic acid. The substrate ... | 12/27/2005 |
| 6908507 | Process and a plant for the production of Portland cement clinker A process is disclosed for producing cement clinker, comprising the steps of: a) providing a mixture of ground calcareous materials and ground argillaceous materials; b) heating the mixture of step a) to a temperature sufficient to calcine and fuse the ground materi... | 06/21/2005 |
| 6759014 | Apparatus and methods for parallel processing of multiple reaction mixtures A parallel reactor system including a reactor and vessels in the reactor for holding reaction mixtures, and a cannula for introducing fluid reaction material into the vessels. A robot system is operable to insert the cannula into cannula passages in the reactor for ... | 07/06/2004 |
| 6673211 | Apparatus for loading fibers in a fiber suspension with calcium carbonate An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing r... | 01/06/2004 |
| 6648932 | Gasification reactor apparatus A gasification reactor apparatus (10) comprising a gasification vessel (12), a gas-fired combustion chamber (70) and a combination fan and cyclone unit (20) in an upper part (12') of the vessel (12) with two functions: first, the fan (62, 64) impels incom... | 11/18/2003 |
| 6350054 | Agitator for a horizontal polymerization reactor having contiguous paddle stations with paddles and sub-stations with sub-station paddles Improved apparatus for mechanically stirring a quench-cooled subfluidized particulate bed of polymerized monomer lowers lumping of polymer particles by using substantially contiguous paddle stations disposed along the drive shaft within the reactor in com... | 02/26/2002 |
| 6267934 | Process for the manufacture of persalt particles The present invention relates to an apparatus for the continuous manufacture of solid particles of alkali metal persalts by reaction of an aqueous hydrogen peroxide solution with an aqueous solution of an alkali metal salt and crystallization of the persa... | 07/31/2001 |
| 6183706 | Autoclave having an agitator with an aerating impeller for high oxygen transfer rate to metal-containing slurries and method of use A method is disclosed for recovering a metal from a metal containing material by autoclaving with an autoclave which includes an agitator that includes a first inlet for a recycled oxygen-containing gas, a second inlet for a fresh oxygen-containing gas, a... | 02/06/2001 |
| 6146613 | Method of zeolite synthesis with homogeneous shaking out of the medium, device and application A method is provided for zeolite synthesis from a synthesis medium containing in particular a trivalent aluminum source, a tetravalent silicon source, at least an alkaline or alkaline-earth cation in hydroxide form and water in a reactor containing a soli... | 11/14/2000 |
| 6139755 | Oxidation method, nozzle system and sewage treatment plant The invention relates to a method for oxidizing substances contained in sewage, a nozzle system, and a plant for carrying out this method. The method is characterized in that three radical chain circuits are superimposed, thus producing a continuous react... | 10/31/2000 |
| 6096170 | Pressurized peroxide bleaching vessel having a rotatable scraper arm and cleaning device A pressure vessel 1 with an output arrangement 5, primarily for use with pulp bleaching using peroxide at high temperature and high pressure, comprising a pressure vessel housing 1, a first end 2, as well as an output arrangement 3 at a second end, whereb... | 08/01/2000 |
| 6054103 | Mixing system for processes using supercritical fluids A mixing vessel for a process using supercritical process media, the vessel including an agitator for mixing a batch of materials and a process media in a supercritical state in the vessel to produce a reaction mixture based on a selectable reaction proce... | 04/25/2000 |
| 5882605 | Reactor for the productions of flowable viscous products A reactor for the production or formulation of flowable viscous products is equipped with an internal piston which assists in the removal of product from the reactor interior.... | 03/16/1999 |
| 5788932 | Apparatus for preparing flowable reaction mixtures from at least two flowable reactants An apparatus for preparing flowable reaction mixtures from at least two flowable reactants in which the components are injected into a mixing chamber by means of injection nozzles, the force of the reactant acting upon the nozzle needle is at least substa... | 08/04/1998 |
| 5618440 | Method and apparatus for treating and disinfecting water and/or wastewater A novel method and apparatus is provided for treating and/or disinfecting water and/or wastewater wherein the contact chamber is sealed and under greater than atmospheric pressure having a detention time of no more than 5 minutes and further providing for... | 04/08/1997 |
| 5451296 | Two stage pulp bleaching reactor A two stage ozone-pulp bleaching method and apparatus are disclosed. In the first stage, high consistency pulp particles are turbulently mixed and contacted with a gaseous mixture containing ozone to mix and contact substantially all of the pulp particles... | 09/19/1995 |
| 5403563 | Apparatus for silicon nitride precursor solids recovery Method and apparatus are provided for collecting reaction product solids entrained in a gaseous outflow from a reaction situs, wherein the gaseous outflow includes a condensable vapor. A condensate is formed of the condensable vapor on static mixer surfac... | 04/04/1995 |
| 5403556 | Apparatus for injecting solid insoluble additives into polymerization streams Process and apparatus are disclosed for improved additive systems for polymerization processes, which improved systems comprise a slurry additive system having a high shear mixer for mixing a carrier fluid and the solid additives and maintaining them in a... | 04/04/1995 |
| 5348708 | Polymerizing apparatus A polymerizing apparatus for polymerizing a monomer having an ethylenically unsaturated double bond which is equipped with a polymerization vessel having an agitator and a return nozzle to a gaseous phase part and with a circulating pipeline extending fro... | 09/20/1994 |
| 5304356 | Method for the fixation of carbon dioxide, apparatus for fixing and disposing carbon dioxide, and apparatus for the treatment of carbon dioxide An apparatus for reducing the amount of carbon dioxide released into the atmosphere by fixing and dumping carbon dioxide which is disposed in seawater or fresh water satisfying certain temperature and pressure conditions for the formation of carbon dioxid... | 04/19/1994 |
| 5284627 | Polymer activation apparatus Polymer activation apparatus for activating a liquid polymer emulsion in dilution water includes a first processing zone in which the polymer solution is subjected to a high mean shear rate for a predetermined period of time, and a second processing zone ... | 02/08/1994 |
| 5211924 | Method and apparatus for increasing conversion efficiency and reducing power costs for oxidation of an aromatic alkyl to an aromatic carboxylic acid Improved mixing performance with reduced power input is obtained in an agitated oxidation reactor for converting an aromatic alkyl to the corresponding aromatic carboxylic acid by decreasing the clearance between the lowermost impeller element and the rea... | 05/18/1993 |
| 5137856 | Process for the preparation of a supported polymerization catalyst The invention relates to a method for the preparation of a supported polymerization catalyst in a multi-function reactor (1) which is equipped with a mixer (2) and at the bottom of which there is fitted a downward substantially conically converging sieve ... | 08/11/1992 |
| 5102630 | Apparatus for increasing yield and product quality while reducing power costs in oxidation of an aromatic alkyl to an aromatic carboxylic acid A continuous stirred-tank reactor suitable for the liquid-phase oxidation of an aromatic alkyl to an aromatic carboxylic acid is provided with vertically disposed, relatively narrow baffles on the reactor wall and with oxidizing gas inlet means below the ... | 04/07/1992 |
| 5098669 | Stirring reactor for viscous materials A stirring reactor for a viscous material. The reactor comprises a stirring vessel; a revolvable shaft provided in the vessel; a surface layer stirring vane provided on the revolvable shaft in the vicinity of interface of the gas and the liquid to be stir... | 03/24/1992 |
| 4954329 | Process and apparatus for preparation of finely grained lead azide The invention provides a process for the preparation of finely grained lead azide, in which aqueous solutions of lead nitrate and sodium azide are stirred in a vessel at constant temperature, characterized in that in a first process step the aqueous solut... | 09/04/1990 |
| 4917870 | Installation for preparation of starch glues The installation which is used for the preparation of starch glues comprises a vessel (1) having a substantially vertical axis (XY); that vessel is equipped with stirring means (2) acting at its lower level; it comprises furthermore pipes (8, 9, 10 and 11... | 04/17/1990 |
| 4847401 | Continuous large-scale production of ethyl 2,2-difluoro-4-pentenoate and 2-fluorinated methyl aminoacetonitriles by use of a flow reactor The large scale preparation of ethyl 2,2-difluoro-4- pentenoate and 2-fluorinated methyl aminoacetonitriles by reaction of 2-H-perfluoroethyl allyl ether and n-butyl lithium and fluoromethylacetonitrile and a Grignard reagent, respectively, is largly unsu... | 07/11/1989 |
| 4842830 | Apparatus for upgrading carbonaceous materials An apparatus for positioning a catalyst bed for converting vapors into an active hydrogen-donor solvent is disclosed. In one embodiment the catalyst bed is positioned within the upper portion vapor space of a vessel used for hydrogen-donor solvent hydroge... | 06/27/1989 |