Patents by Inventor David L. King
David L. King has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7520917Abstract: A microchannel device includes several mass transfer microchannels to receive a fluid media for processing at least one heat transfer microchannel in fluid communication with a heat transfer fluid defined by a thermally conductive wall, and at several thermally conductive fins each connected to the wall and extending therefrom to separate the mass transfer microchannels from one another. In one form, the device may optionally include another heat transfer microchannel and corresponding wall that is positioned opposite the first wall and has the fins and the mass transfer microchannels extending therebetween.Type: GrantFiled: February 18, 2005Date of Patent: April 21, 2009Assignee: Battelle Memorial InstituteInventors: Ward E. TeGrotenhuis, Robert S. Wegeng, Greg A. Whyatt, David L. King, Kriston P. Brooks, Victoria S. Stenkamp
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Publication number: 20090053743Abstract: An anti-antibody reagent for use in a competitive or sandwich simplex or multiplex assay, said reagent comprising one or more labeled anti-antibodies for the primary antibodies to be determined in the assay, the reagent further comprising a corresponding unlabeled anti-antibody in an excess or near excess concentration with respect to their binding partners.Type: ApplicationFiled: August 1, 2008Publication date: February 26, 2009Inventors: William F. Link, Renato B. Del Rosario, Randy Sweet, David L. King
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Publication number: 20090053832Abstract: A method and kits for assaying a sample of a human or mammalian bodily fluid to simultaneously determine whether one or more of a plurality of drugs and/or metabolites thereof are present in said sample and optionally to perform a semi-quantitative assay for said drug or drugs, comprising: (a) incubating the sample in a competitive assay with a plurality of drug conjugates and a plurality of primary antibodies that bind to the drugs whose presence and optionally whose amount is to be determined, wherein either the plurality of drugs or the plurality of primary antibodies is coupled to microparticles comprising magnetically responsive material, the particles being divided into subsets of particles, each distinguishable from the others by one or more differentiation parameters and by the drug to which they are coupled; (b) incubating the product of step (a) with a liquid medium comprising one or more labeled ligands for the primary antibodies or drug conjugates; (c) magnetically separating microparticles inType: ApplicationFiled: August 20, 2007Publication date: February 26, 2009Inventors: William F. Link, Renato B. Del Rosario, Randy V. Sweet, David L. King
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Publication number: 20090053733Abstract: A method and kits for assaying a sample of a human or mammalian bodily fluid to simultaneously determine whether one or more of a plurality of drugs and/or metabolites thereof are present in said sample and optionally to perform a semi-quantitative assay for said drug or drugs, comprising: (a) incubating the sample in a competitive assay with a plurality of drug conjugates and a plurality of primary antibodies that bind to the drugs whose presence and optionally whose amount is to be determined, wherein either the plurality of drugs or the plurality of primary antibodies is coupled to microparticles comprising magnetically responsive material, the particles being divided into subsets of particles, each distinguishable from the others by one or more differentiation parameters and by the drug to which they are coupled; (b) incubating the product of step (a) with a liquid medium comprising one or more labeled ligands for the primary antibodies or drug conjugates; (c) magnetically separating microparticles inType: ApplicationFiled: August 7, 2008Publication date: February 26, 2009Inventors: William F. Link, Renato B. del Rosario, Randy V. Sweet, David L. King
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Publication number: 20090035622Abstract: The present invention includes systems and methods of treating a hydrocarbon fuel to reduce organic sulfur components so as to be amenable to small-scale and/or field-based applications. Embodiments of the invention involve the performance of a vapor-phase hydrodesulfurization operation using steam reformate. The steam reformate is a hydrogen source for the hydrodesulfurization and is provided by an integrated steam reformer.Type: ApplicationFiled: July 30, 2008Publication date: February 5, 2009Inventors: David L. King, Xiwen Huang, Feng Zheng, Victoria S. Stenkamp, Ward E. Tegrotenhuis, Dale A. King, Greg A. Whyatt
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Publication number: 20080241031Abstract: Disclosed herein are sorbents and devices for controlling sulfur oxides emissions as well as systems including such sorbents and devices. Also disclosed are methods for making and using the disclosed sorbents, devices and systems. In one embodiment the disclosed sorbents can be conveniently regenerated, such as under normal exhaust stream from a combustion engine, particularly a diesel engine. Accordingly, also disclosed are combustion vehicles equipped with sulfur dioxide emission control devices.Type: ApplicationFiled: March 30, 2007Publication date: October 2, 2008Inventors: Liyu Li, David L. King
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Patent number: 7297324Abstract: Microchannel devices and method of use are disclosed wherein a reaction microchamber 52 is in thermal contact with a heat exchange channel 61. An equilibrium limited exothermic chemical process occurs in the reaction microchamber 52. Sufficient heat is transferred to the heat exchange channels to substantially lower the temperature in the reaction microchamber 52 down its length to substantially increase at least one performance parameter of the exothermic chemical process relative to isothermal operation. Optionally, an endothermic reaction occurs in the heat exchange channel 61 which is sustained by the exothermic chemical process occurring the exothermic reaction chamber. Both the reaction chamber 52 and the heat exchange channel 61 can be of micro dimension. Catalyst 75 can be provided in the microchamber 52 in sheet form such that reactants flow by the catalyst sheet.Type: GrantFiled: March 11, 2003Date of Patent: November 20, 2007Assignee: Battelle Memorial InstituteInventors: Ward E. TeGrotenhuis, David L. King, Greg A. Whyatt, Christopher M. Fischer, Robert S. Wegeng, Kriston P. Brooks
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Patent number: 7153345Abstract: High capacity sulfur oxide absorbents utilizing manganese-based octahedral molecular sieve (Mn—OMS) materials are disclosed. An emissions reduction system for a combustion exhaust includes a scrubber 24 containing these high capacity sulfur oxide absorbents located upstream from a NOX filter 26 or particulate trap.Type: GrantFiled: February 4, 2004Date of Patent: December 26, 2006Assignee: Battelle Memorial InstituteInventors: Liyu Li, David L. King
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Publication number: 20030180216Abstract: Microchannel devices and method of use are disclosed wherein a reaction microchamber 52 is in thermal contact with a heat exchange channel 61. An equilibrium limited exothermic chemical process occurs in the reaction microchamber 52. Sufficient heat is transferred to the heat exchange channels to substantially lower the temperature in the reaction microchamber 52 down its length to substantially increase at least one performance parameter of the exothermic chemical process relative to isothermal operation. Optionally, an endothermic reaction occurs in the heat exchange channel 61 which is sustained by the exothermic chemical process occurring the exothermic reaction chamber. Both the reaction chamber 52 and the heat exchange channel 61 can be of micro dimension. Catalyst 75 can be provided in the microchamber 52 in sheet form such that reactants flow by the catalyst sheet.Type: ApplicationFiled: March 11, 2003Publication date: September 25, 2003Inventors: Ward E. TeGrotenhuis, David L. King, Greg A. Whyatt, Christopher M. Fischer, Robert S. Wegeng, Kriston P. Brooks
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Patent number: 6540249Abstract: A collapsible cart for transporting books, files, and other items comprising a cabinet spine, at least one collapsible shelf, at least one fastener, and a plurality of wheels. The cabinet spine has a first surface whereupon at least one collapsible shelf is pivotally mounted. The collapsible shelf is movable between a first position generally perpendicular with respect to the cabinet spine and a second position generally parallel with respect to the cabinet spine. A fastener is attached to the cabinet spine and is designed to be coupled with the collapsible shelf when in the second position. A plurality of wheels are mounted underneath the collapsible cart to allow the cart to be transported from one location to another location. In one embodiment of this invention, first and second doors are pivotally mounted to each side of the cabinet spine.Type: GrantFiled: October 30, 2001Date of Patent: April 1, 2003Assignee: ICB, LLCInventor: David L. King
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Patent number: 6457737Abstract: The invention provides a collapsible cart for transporting books, files, and other items comprising a cabinet spine, at least one collapsible shelf, at least one fastener, and a plurality of wheels. The cabinet spine has a first surface whereupon at least one collapsible shelf is pivotally mounted. The collapsible shelf is movable between a first position generally perpendicular with respect to the cabinet spine and a second position generally parallel with respect to the cabinet spine. A fastener is attached to the cabinet spine and is designed to be coupled with the collapsible shelf when in the second position. A plurality of wheels are mounted underneath the collapsible cart to allow the cart to be transported from one location to another location. In one embodiment of this invention, first and second doors are pivotally mounted to each side of the cabinet spine.Type: GrantFiled: May 21, 1999Date of Patent: October 1, 2002Assignee: ICB, LLCInventor: David L. King
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Publication number: 20020084607Abstract: The invention provides a collapsible cart for transporting books, files, and other items comprising a cabinet spine, at least one collapsible shelf, at least one fastener, and a plurality of wheels. The cabinet spine has a first surface whereupon at least one collapsible shelf is pivotally mounted. The collapsible shelf is movable between a first position generally perpendicular with respect to the cabinet spine and a second position generally parallel with respect to the cabinet spine. A fastener is attached to the cabinet spine and is designed to be coupled with the collapsible shelf when in the second position. A plurality of wheels are mounted underneath the collapsible cart to allow the cart to be transported from one location to another location. In one embodiment of this invention, first and second doors are pivotally mounted to each side of the cabinet spine.Type: ApplicationFiled: October 30, 2001Publication date: July 4, 2002Inventor: David L. King
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Patent number: 6141892Abstract: An apparatus for limiting sliding wear and kick-back wear in straight sidebar chains as well as offset sidebar chains includes a wear bar which is attached to the outer surface of the chain's sidebar. The wear bar includes a main body portion having a forward wear bar end in opposed relation to a rearward wear bar end. An inner wear bar surface is positioned adjacent the outer surface of the chain's sidebar and is separated from an outer wear bar surface by a distance at least as great as the distance by which the chain's pin heads extend beyond the sidebars. In one embodiment, the upper edge of the wear bar includes a pair of semi-circular openings which fit closely adjacent the protruding pin heads. In another embodiment, the openings in the wear bar fully encircle the pin heads. A recess formed in the lower wear bar edge is used to weld the wear bar to the chain's sidebar. The lower edge of the wear bar may also be hardened to limit wear to the wear bar itself.Type: GrantFiled: April 21, 1999Date of Patent: November 7, 2000Assignee: Jeffrey Chain, L.P.Inventors: Dennis L. Moore, David L. King
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Patent number: 5952535Abstract: This invention is an improved process for the conversion of a C.sub.9 mixed alkyl aromatic feedstream containing ethyl substituted aromatics to a product rich in toluenes and/or xylenes via catalytic transalkylation/disproportionation using a palladium loaded moderately, dealuminated mordenite catalyst in the presence of added hydrogen and benzene.Type: GrantFiled: September 18, 1996Date of Patent: September 14, 1999Assignee: Catalytica, Inc.Inventors: David L. King, Eric G. Derouane, Jacques C. DeDeken, Toshihiko Masuda, Shinji Nishikawa, Hiroshi Fujii, Masaaki Adachi
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Patent number: 5416023Abstract: Biological samples are analyzed for benzodiazepines in a single isocratic analysis using a chromatographic column system containing an immobilized enzyme reactor which cleaves glucuronic acid-conjugated benzodiazepines, an anion exchange column, a hydrophobic cation exchange column and a reverse-phase analytical column. Preferred methods of performing the analysis further involve the use of a hydrophobic cation exchange precolumn prior to the anion exchange column. The system readily lends itself to automation, automatic periodic sampling and benzodiazepine identification and quantification. The system is particularly well adapted to the determination and identification of benzodiazepines in urine samples.Type: GrantFiled: July 6, 1994Date of Patent: May 16, 1995Assignee: Bio-Rad Laboratories, Inc.Inventors: Steven R. Binder, David L. King
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Patent number: 5414187Abstract: The present invention provides a process for the conversion of a reactant into a reaction product in the presence of a novel acid catalyst complex comprising an organosulfonic acid having the formula[(R.sup.2 O).sub.2 P(O)].sub.y R(SO.sub.r R.sup.1).sub.xwherein R is an organo radical having at least one covalent carbon-fluorine bond, R.sup.1 is hydrogen, R.sup.1 is a hydrocarbyl radical having up to 20 carbon atoms or hydrogen, r is 2 or 3, x is an integer from 1 to 3, y is an integer of from 1 to 3 with the proviso that the phosphorus and the sulfur are covalently bonded to a carbon atom and which organosulfonic acid has been contacted with a Lewis Acid to produce a catalyst complex containing said Lewis Acid. In the elected claims, a process for providing a high octane alkylate stream by converting a mixture comprising isoparaffins and olefins into said alkylate in the presence of said acid catalyst complex, is described.Type: GrantFiled: October 30, 1992Date of Patent: May 9, 1995Assignee: Catalytica, Inc.Inventors: David L. King, Michael D. Cooper, William A. Sanderson
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Patent number: 5365010Abstract: This invention is a process for the regeneration of a catalyst system component comprising certain transition aluminas promoted with a Lewis acid (preferably BF.sub.3) which have been used in the alkylation of isoparaffin with olefins. The process involves the calcination of the catalyst system component to volatilize and to oxidize the reaction product residue adhering to the solid catalyst. The process may include recovery and recycle of the involved Lewis acid.Type: GrantFiled: June 20, 1991Date of Patent: November 15, 1994Assignee: Catalytica, Inc.Inventors: Pradip Rao, David L. King, Michael D. Cooper, Jerome E. Say
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Patent number: 5352585Abstract: Biological samples are analyzed for benzodiazepines in a single isocratic analysis using a chromatographic column system containing an immobilized enzyme reactor which cleaves glucuronic acid-conjugated benzodiazepines, an anion exchange column, a hydrophobic cation exchange column and a reverse-phase analytical column. Preferred methods of performing the analysis further involve the use of a hydrophobic cation exchange precolumn prior to the anion exchange column. The system readily lends itself to automation, automatic periodic sampling and benzodiazepine identification and quantification. The system is particularly well adapted to the determination and identification of benzodiazepines in urine samples.Type: GrantFiled: June 29, 1993Date of Patent: October 4, 1994Assignee: Bio-Rad Laboratories, Inc.Inventors: Steven R. Binder, David L. King
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Patent number: 5326923Abstract: This invention is a process for the regeneration of solid acidic hydrocarbon conversion catalysts, but particularly certain transition aluminas and zeolites promoted with Lewis acids (preferably BF.sub.3) which have been used in the alkylation of isoparaffins with olefins. The process involves the removal of some portion of the reaction product residue adhering to the solid catalyst by contact with a solvent to partially recover the catalyst's initial activity.Type: GrantFiled: November 22, 1991Date of Patent: July 5, 1994Assignee: Catalytica, Inc.Inventors: Michael D. Cooper, Pradip Rao, David L. King, Ronald R. Lopez
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Patent number: 5176764Abstract: A tire assembly comprising outer and inner tires having at least one vent and one plug is described. The vents and plugs mate in the assembly providing an air tight seal in the bead seal region of the tires. The vents or plugs permit air to escape from the outer tire if an attempt is made to mount the outer tire on a rim without a mating inner tire.Type: GrantFiled: May 8, 1991Date of Patent: January 5, 1993Assignee: The Goodyear Tire & Rubber CompanyInventors: John R. Abbott, Roger A. Fleming, Wayne D. Maas, David L. King