Patents Examined by N. Bhat
  • Patent number: 7862691
    Abstract: A method of decomposing waste plastics, organics, and particularly medical waste composed of a varieties of plastics is described.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: January 4, 2011
    Assignee: Kusatsu Electric Co., Ltd.
    Inventors: Tatsuo Kitamura, Yoshihide Kitamura, Itsushi Kashimoto
  • Patent number: 7857943
    Abstract: Useful byproducts are recovered through the pyrolytic processing of biomass material such as vegetation, paper, or worn tires. The process is conducted in a sealed enclosure under vacuum or other controlled atmosphere. The biomass material is ablated and burned by crunching between counter-rotating rollers whose inner walls have been exposed to a highly heated fluid. The biomass material is preheated by injecting into the feeding duct super-heated dry steam. A condenser within the enclosure reduces resulting vapors into oils that can be drained from the enclosure pan. Solid combustion residue is abstracted from the enclosure by an Archimedes screw.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: December 28, 2010
    Inventor: Vincent H. Noto
  • Patent number: 7851002
    Abstract: The present invention pertains to methods of preserving fresh produce with a produce preservative which extends the shelf life of fresh produce, particularly cut fresh produce. The produce preservative preserves the texture, flavor, appearance, crispness, and color of the fresh produce, particularly the exposed surface of the fresh produce. The method comprises the following steps: providing a solution of produce preservative comprising: water, magnesium ions or zinc ions or tin ions; and ascorbate ions, or erythorbate ions; wherein the magnesium ion or zinc ions or tin ions and ascorbate ions are present in a mole ratio of preferably from 0.2:1 to 8:1, more preferably from 0.75:1 to 8:1, more preferably from 1:1 to 4:1, most preferably 1.5:1 to 3:1, applying said produce preservative to the produce; applying said produce preservative to the produce.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: December 14, 2010
    Assignee: Mantrose-Haeuser Company, Inc.
    Inventors: Ihab M. Hekal, Chao Chen, Xiaoling Dong
  • Patent number: 7851663
    Abstract: A method for producing petroleum jelly from hydrocarbons. The method converts the hydrocarbon source into a synthesis gas. The synthesis gas is converted into at least a light-hydrocarbons stream and a heavy-hydrocarbons stream, which both include a plurality of paraffins and a plurality of olefins. The plurality of paraffins is reacted with the plurality of olefins in the presence of a dialkyl peroxide initiator to form the petroleum jelly.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: December 14, 2010
    Assignee: Syntroleum Corporation
    Inventor: Ramin Abhari
  • Patent number: 7850930
    Abstract: The microreactor for mixing and discharging multiple raw material liquids is obtained by laminating: a base plate in which a raw material introducing fluid channel is formed; a raw material introducing plate; and a mixing fluid channel plate which is arranged between the base plate and the raw material introducing plate, and in which a mixing fluid channel is formed. The microreactor includes: a mixing fluid channel in the mixing fluid channel plate which is formed in the mixing fluid channel plate, and in which a flow is contracted in its width direction; and a mixing fluid channel in the base plate which is formed in the base plate, and which has a fluid channel cross-section which becomes larger in its depth direction as it goes downstream. The mixing fluid channel in the base plate communicates with the mixing fluid channel in the mixing fluid channel plate, and is connected to an outlet orifice from which to discharge the mixed liquids.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: December 14, 2010
    Assignee: Hitachi Plant Technologies, Ltd.
    Inventors: Tetsuo Miyamoto, Hajime Kato, Shigenori Togashi
  • Patent number: 7846301
    Abstract: A method of production of blast furnace coke comprising drying mixed coal, then, or simultaneously with the drying, classifying it to fine-grained coal and coarse-grained coal, then adding to the fine-grained coal at a temperature of 80 to 350° C. a caking additive comprised of one or more of a heavy distillate of tar, soft pitch, and petroleum pitch, agglomerating it by hot pressing, then mixing the clumps of coal and the coarse-grained coal and charging and carbonizing the mixture in a coke oven.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: December 7, 2010
    Assignee: Nippon Steel Corporation
    Inventors: Kenji Katou, Isao Sugiyama, Yoshiaki Nakashima, Hiroshi Uematsu, Takashi Arima, Masahiko Yokomizo, Michitaka Sakaida
  • Patent number: 7847136
    Abstract: Fractional hydrocarbons are recovered from reclaimed plastic materials and/or from oily residues. The reclaimed plastic materials and/or residues are sorted according to type and compacted using a feed system (1,2,3,4) in the absence of air. Thereafter the compacted mass is fed to a melting tank (7) below the liquid level. There the compacted mass is heated, so that a separation occurs into a first liquid phase, a first gas phase and a residue fraction. Thereafter the liquid phase and the first gas phase are transported into an evaporation tank (20) in which a second liquid phase and a second gas phase are formed under continued heat input. The second liquid phase is transferred to a re-heater (23) and is additionally heated there under further heat input so that a third gas phase is formed.
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: December 7, 2010
    Assignee: Nill Tech GmbH
    Inventors: Wolf-Eberhard Nill, Anton Schmillen
  • Patent number: 7846302
    Abstract: A system and apparatus for pyrolyzing solid wastes to recover there-from useful hydrocarbon distillates, carbon black, and other potentially commercially valuable by-products. Pyrolysis and distillation may be performed substantially continuously, rather than by batch processing. The pyrolysis unit including a distillation array featuring two or more parallel, heated, conveyors, arranged in alternative switch-backs, through which a feedstock is moved during pyrolysis. The feedstock moves from conveyor to conveyor, and thus may pass through zones of different temperature to optimize the distillation of various constituents from the feedstock. Friction-reducing components, such as rollers, are situated between adjacent pairs of conveyors so that temperature differentials, and the resulting contract or expansion of system components, are accommodated and associated stresses ameliorated.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: December 7, 2010
    Inventor: Dana J. Finley
  • Patent number: 7842254
    Abstract: An ammonia converter is disclosed. The converter can alter the conversion of ammonia by controlling the reaction temperature of the exothermic reaction along the length of the reactor to parallel the equilibrium curve for the desired product. The converter can comprise a shell 101 and internal catalyst tubes 109. The feed gas stream enters the reactor, flows through the shell 101, and is heated by indirect heat exchange with the catalyst tubes 109. The catalyst tubes 109 comprise reactive zones 122 having catalyst and reaction limited zones 124 that can comprise inert devices that function to both separate the reactive zones, increase heat transfer area, and reduce the temperature of the reaction mixture as the effluent passes through the catalyst tube 109.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: November 30, 2010
    Assignee: Kellogg Brown & Root LLC
    Inventors: Shashi P. Singh, David P. Mann, Anant Pisut
  • Patent number: 7842253
    Abstract: A system for increasing the isobutane to olefin ratio in an alkylation process/system is disclosed. The system includes provisions for charging a portion of the settler effluent as a feed to at least one reaction zone downflow from the first reaction zone of a multi-zone alkylation reactor along with a portion of the olefin feed to the multi-zone alkylation reactor.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: November 30, 2010
    Assignee: UOP LLC
    Inventors: Robert M. Gray, Keith W. Hovis
  • Patent number: 7842122
    Abstract: A gas remover apparatus suitable for electrical substation high-voltage transformer load tap changers and similar oil-filled equipment removes potentially hazardous and destructive gases from the air-filled volume above the insulating oil bath in which the load tap changer electrical contacts are immersed. The apparatus applies a continuous supply of nitrogen to the load tap changer, and has an orifice to maintain a slight overpressure over an extreme range of climatic conditions. The substantially continuous venting of nitrogen entrains and expels contaminants such as oxygen, water, and potentially explosive breakdown products from the oil, all of which can degrade the performance of the load tap changer.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: November 30, 2010
    Assignee: Waukesha Electric Systems Incorporated
    Inventors: Thomas M. Golner, Peter C. Michel
  • Patent number: 7842257
    Abstract: The distribution of fluids within a radial-flow reactor is improved using vertically extended cylinders distributed around the circumference of the vessel. Cylinders with a circular cross-section provide substantial vertical strength, and the configuration minimizes low-flow areas which could cause undesirable reactions. The cylinders are isolated from particles in the reactor by a particle-retaining outer conduit. The cylinders may be fabricated in panels for ease of installation and servicing.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 30, 2010
    Assignee: UOP LLC
    Inventor: David J. Fecteau
  • Patent number: 7838300
    Abstract: A method of reducing a temperature difference between a high-temperature and a low-temperature substrate includes interposing a heat transfer facilitating layer which has a higher thermal conductivity than air and can hold particles between the substrates, and maintaining close contact between the high-temperature substrate, the heat transfer facilitating layer, and the low-temperature substrate, wherein formation of an air layer can be at least substantially prevented between the high-temperature substrate and the heat transfer facilitating layer, and between the low-temperature substrate and the heat transfer facilitating layer.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: November 23, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kak Namkoong, Su-hyeon Kim, Jin-tae Kim, Chin-sung Park, Young-sun Lee
  • Patent number: 7837862
    Abstract: Fuel is desulfurized with a rapid cycle desulfurization-regeneration method and apparatus. Regeneratable mass separating agents, including metals supported on high surface area materials, are used in a plurality of beds that are rotated into, through, and out of a desulfurization series and a regeneration series by valves and plumbing, which can include a rotary valve apparatus.
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: November 23, 2010
    Assignee: Protonex Technology, LLC
    Inventors: Joseph C. Poshusta, Jerry L. Martin
  • Patent number: 7829038
    Abstract: A radial flow reactor design is presented. The reactor has individual and interchangeable screens that are arrayed circumferentially around the inside of the reactor. The reactor includes a plurality of screens held out from the reactor wall to form a circumferential screen, with channels defined between the reactor wall and the circumferential screen.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: November 9, 2010
    Assignee: UOP LLC
    Inventors: Michael J. Vetter, Jeffrey E. Burgard
  • Patent number: 7824625
    Abstract: A dehydrogenation fuel theft prevention system for preventing the theft of dehydrogenation organic fuel containing hydrogen is provided. The dehydrogenation fuel theft prevention system is for systems including a reformer for dehydrogenating organic fuel containing at least hydrogen and a dehydrogenation fuel recovery tank for storing dehydrogenation fuel produced when organic fuel is dehydrogenated in the reformer. The theft prevention system is provided with a means for mixing an odorant as a component with a pungent odor other than the fuel components or a agent for coagulating the fuel components. The odorant or the coagulating agent is mixed when fuel is manufactured, distributed, utilized, recovered, or stored or fuel is about to be stolen.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: November 2, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Masafumi Nojima, Akiyoshi Komura, Takao Ishikawa, Kenichi Souma, Masatoshi Sugimasa, Naoki Yoshimoto
  • Patent number: 7820014
    Abstract: A decoking system that not only enables an operator to remotely switch the coke-cutting process from boring to cutting mode without removing the drill stem from the coke drum, but also to remotely determine the drill stem's mode so that efficiency, safety and convenience are not compromised, is provided.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: October 26, 2010
    Inventor: Ruben F. Lah
  • Patent number: 7816570
    Abstract: A process for the direct conversion of lipid biomass fuel stock to combustible fuels include the steps of hydrolyzing a lipid biomass to form free fatty acids, catalytically deoxygenating the free fatty acids to from n-alkanes, and reforming at least a portion of the n-alkanes into a mixture of compounds having the correct chain length, conformations and ratio to be useful as transportation fuels. The process exhibits an overall energy efficiency of at least about 75%, wherein energy efficiency is calculated as the lower heating value of the produced transportation fuel over the sum of the lower heating value of the process reactants and the total energy input into the process.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: October 19, 2010
    Assignee: North Carolina State University
    Inventors: William L. Roberts, IV, H. Henry Lamb, Larry F. Stikeleather, Timothy L. Turner
  • Patent number: 7815775
    Abstract: A method for coke removal in delayed coker drums is provided. The method comprises the steps of draining from the drum of substantially free-flowing coke, performing a vibration signature analysis on the drum to identify whether and where any coke remains attached to the interior wall of the drum after the draining step, and cutting the coke from the areas identified by the signature analysis step.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: October 19, 2010
    Assignee: ExxonMobil Research & Engineering Company
    Inventors: Glen E. Phillips, Charles John Mart
  • Patent number: 7807109
    Abstract: Described is a parallel batch reactor for effecting chemical reactions. The parallel batch reactor includes a plurality of reactor vessels for receiving components of a reaction, an inlet port for receiving pressurized fluid, and a plurality of valves configured to transfer fluid from the inlet port to the reactor vessels and fluidically isolate one or more of the reactor vessels from at least one of the other reactor vessels. The reactor further includes a pressure monitoring system comprising an array of pressure sensors configured to sense pressure in the reactor vessels. Each of the pressure sensors is aligned with one of the plurality of reactor vessels and located external to the reactor vessels and fluid passageways in fluid communication with the reactor vessels.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: October 5, 2010
    Assignee: FreeSlate, Inc.
    Inventors: Gary M. Diamond, Keith A. Hall, Thomas Harding McWaid, Vince Murphy, Michael Myslovaty, James A. W. Shoemaker, Robbie Singh Sidhu, Howard Turner, Eric Dias, Mikhail Spitkovsky