Patents by Inventor Paul Davidson
Paul Davidson 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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Publication number: 20110223030Abstract: A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade assembly further includes a noise reducer configured on a surface of the rotor blade. The noise reducer includes a plurality of noise reduction features and a plurality of auxiliary noise reduction features. Each of the plurality of auxiliary noise reduction features is configured on one of the plurality of noise reduction features.Type: ApplicationFiled: December 16, 2010Publication date: September 15, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Robert Karl Huck, Kevin Wayne Kinzie, James Paul Davidson, Roger Drobietz
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Publication number: 20090221582Abstract: Compounds of formula (I) and their use in therapy, particularly for the treatment of a disorder mediated by CB1 receptors wherein R1 is a radical of formula -(Alk1)m-(NH)p-(Alk2)n-Q wherein m, n and p are independently 0 or 1, Alk1 and Alk2 are straight or branched chain divalent C1-C6 alkylene or C2-C6 alkenylene radicals, and Q is (i) hydrogen, except in the case where m, n and p are each 0, or (ii) an optionally substituted carbocyclic or heterocyclic group; R2 is hydrogen, C1-C3 alkyl, cyclopropyl, or —CF3; Ring A is a phenyl or 5- or 6-membered heteroaryl ring either of which is optionally substituted; Ar is a phenyl or 5- or 6-membered heteroaryl ring either of which is optionally substituted; L is —CH2—, —C(?O)—, —NH—, —O—, —S—, —SO—, —SO2—, —(CH2)2—, —CH?CH—, —OCH2—, —CH(CH3)—, or —NH—CH2—; s is 1 and W is an optionally substituted N-containing heterocyclic ring of 5 to 7 ring atoms; or s is 0 and W is an optionally substituted N-containing saturated heterocyclic ring of 5 to 7 ring atoms, or an N-conType: ApplicationFiled: November 17, 2006Publication date: September 3, 2009Applicant: Vernalis (R&D)Inventors: Nathaniel Julius Thomas Monck, James Edward Paul Davidson, Claire Louise Nunns, Stephen David Reeves
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Publication number: 20090202498Abstract: The present invention relates to the induction of differentiation in stem cells to cardiomyocytes and factors such as prostaglandin alone or in combination with other factors including essential minerals selected from the group including transferrin and selenium, small molecules selected from the group including a p38 MAPK inhibitor such as SB203580 and protein growth factors of the FGF, IGF and BMP families such as but not limited to IGF1, FGF2, BMP2, BMP4 and BMP6. and insulin that influence the process of differentiation to cardiomyocytes. Media that is appropriate for the induction of differentiation of cardiomyocytes from stem cells is also provided wherein the media contains these factors. The use of cardiomyocytes and cardiac progenitors produced by the directed differentiation in transplantation and screening for cardiac compounds is also provided.Type: ApplicationFiled: December 22, 2006Publication date: August 13, 2009Applicant: ES CELL INTERNATIONAL PTE LTD,Inventors: Bruce Paul Davidson, Ralph Eberhard Graichen, Robert Zweigerdt, Xiuqin Xu, Christine Lindsay Mummery, William Sun
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Publication number: 20090181939Abstract: Compounds of formula (I) and their use in therapy, particularly for the treatment of a disorder mediated by CB1 receptors, such as obesity, wherein: R1 is aryl or heteroaryl; R2 is alkyl, aryl or heteroaryl; R3 is alkyl, aryl, heteroaryl, NR9R10, OR15, or NR16C(O)R17; Y is C?O, C?S, SO2, or (CR7R8)p; m=1 or 2; n=1 or 2; and p=1, 2, 3 or 4, R7 to R17 being as defined in the specification; wherein if —Y—R3 is C(O)NH(alkyl) then: R1 and/or R2 is selected from heteroaryl; and/or m and/or n is 2; and/or R11 and/or R12 is lower alkyl, or a pharmaceutically acceptable salt or prodrug thereof.Type: ApplicationFiled: March 19, 2009Publication date: July 16, 2009Applicant: VERNALIS RESEARCH LIMITED.Inventors: James Edward Paul Davidson, Jonathan Mark Bentley, Claire Elizabeth Dawson, Kerry Harrison, Howard Langham Mansell, Alan Leslie Pither, Robert Mark Pratt, Jonathan Richard Anthony Roffey, Victoria Jane Ruston
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Patent number: 7504522Abstract: Compounds of formula (I) and their use in therapy, particularly for the treatment of a disorder mediated by CB1 receptors such as obesity: Formula (I) wherein: R1 and R2 are independently selected from aryl; and R3 is hydrogen or alkyl; or a pharmaceutically acceptable salt or prodrug thereof, wherein at least one of R1 and R2 has a non-hydrogen substituent in the ortho-position(s) thereof relative to the point of attachment to the [—CH—O—] group.Type: GrantFiled: April 29, 2004Date of Patent: March 17, 2009Assignee: Vernalis Research LimitedInventors: James Edward Paul Davidson, Claire Elizabeth Dawson, Kerry Harrison, Howard Langham Mansell, Robert Mark Pratt, Sukhjit Sohal, Victoria Jane Ruston
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Publication number: 20080187494Abstract: The present invention provides a process of differentiating stem cells, in particular hES cells, into cardiomyocytes and into neural progenitors by growing the hES cells in the presence of a defined medium that is substantially free of xeno- and serum-components and thus comprises a clinically compliant medium. The defined media comprises defined factors that contribute to the promotion of differentiation to cardiomyocytes and neural progenitors. The invention also includes defined culture media and cell populations and methods of using them.Type: ApplicationFiled: September 12, 2006Publication date: August 7, 2008Applicant: ES CELL INTERNATIONAL PTE LTDInventors: Bruce Paul Davidson, Ralph Eberhard Graichen, Robert Zweigerdt, Xiuqin Xu
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Publication number: 20080125455Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system, cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: ApplicationFiled: November 21, 2007Publication date: May 29, 2008Inventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Publication number: 20080090858Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: ApplicationFiled: December 4, 2007Publication date: April 17, 2008Inventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7328570Abstract: A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of the fan section, the booster compressor including a first compressor blade row and a second compressor blade row connected to a second drive shaft and interdigitated with the first compressor blade row; and, a pulse detonation system for powering the first and second drive shafts. The pulse detonation system powers only the second drive shaft during a first designated condition of the gas turbine engine and both the first drive shaft and the second drive shaft during a second designated condition of the gas turbine engine. The first and second drive shafts are powered independently of each other by the pulse detonation system.Type: GrantFiled: September 1, 2004Date of Patent: February 12, 2008Assignee: General Electric CompanyInventors: Kattalaicheri Srinivasan Venkataramani, Lawrence Butler, James Paul Davidson
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Patent number: 7323473Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfonyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: GrantFiled: December 12, 2006Date of Patent: January 29, 2008Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7323486Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: GrantFiled: December 12, 2006Date of Patent: January 29, 2008Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7323487Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2c receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: GrantFiled: December 12, 2006Date of Patent: January 29, 2008Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7173056Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apnea,Type: GrantFiled: April 29, 2005Date of Patent: February 6, 2007Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7166613Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: GrantFiled: April 29, 2005Date of Patent: January 23, 2007Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7166632Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: GrantFiled: April 29, 2005Date of Patent: January 23, 2007Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Patent number: 7022707Abstract: The present invention is a chemical compound of formula (I) or a pharmaceutically acceptable salts, solvates and esters thereof, wherein R1 to R4, A1, A2 m and n are as described in the specification.Type: GrantFiled: June 23, 2004Date of Patent: April 4, 2006Assignees: Hoffman-La Roche Inc., Vernalis Research LimitedInventors: David Reginald Adams, Jonathan Mark Bentley, James Edward Paul Davidson, Claire Elizabeth Dawson, Ashley Roger George, Howard Langham Mansell, Patrizio Mattei, Jacques Mizrahi, Matthias Heinrich Nettekoven, Robert Mark Pratt, Stephan Roever, Jonathan Richard Anthony Roffey, Jean-Luc Specklin, Henri Stalder, Kerry Wilkinson
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Patent number: 7018870Abstract: A connect and disconnect assembly for connecting and disconnecting a laser diode having leads to a printed circuit board (PCB). The assembly includes a heatsink having a base plate portion and fins extending from and integral with the base plate portion. The heatsink further includes spacer sleeves extending from a side of the base plate portion opposing the fins. The heatsink connects to the printed circuit board by providing mount screws through the heatsink and spacer sleeves which are received in mount holes formed in the PCB. The laser diode connects to the base plate portion of the heatsink. Laser support blocks connect with the heatsink and support opposing sides of the laser diode. Each laser support block is provided with a dielectric gasket. When the heatsink is mounted onto the PCB, the laser diode leads are forced against corresponding pads provided on the PCB for electrically connecting the laser diode to the PCB.Type: GrantFiled: November 25, 2003Date of Patent: March 28, 2006Assignee: CIENA CorporationInventors: Thomas R. Boyer, Bradley Paul Davidson
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Publication number: 20060026975Abstract: The present invention is an improved anti-sweat controller for removing condensation from glass doors that are used on refrigerators in retail stores. The anti-sweat controller comprises three components, a sensor to measure condensation and temperature, a control unit to adjust door heaters, and a command unit. The sensors, control unit, and command unit all communicate on a wireless peer-to-peer network using the ZigBee protocol. Moreover, the command unit is attached to the Internet and enables a user to adjust the various settings on the anti-sweat controller from a remote location if desired.Type: ApplicationFiled: September 16, 2005Publication date: February 9, 2006Inventors: John Bunch, Paul Davidson
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Patent number: 6962939Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxy, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, alkylsulfonyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, aType: GrantFiled: August 4, 2000Date of Patent: November 8, 2005Assignee: Vernalis Research LimitedInventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams
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Publication number: 20050197380Abstract: A chemical compound of formula (I) wherein R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4 and R5 are selected from hydrogen and alkyl; R6 and R7 are independently selected from hydrogen, halogen, hydroxyl, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; and A is a 5- or 6-membered ring optionally containing one or more heteroatoms wherein the atoms of the ring A, other than the unsaturated carbon atoms of the phenyl ring to which the ring A is fused, are saturated or unsaturated, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof; and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT2C receptor, for instance in the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apneaType: ApplicationFiled: April 29, 2005Publication date: September 8, 2005Inventors: Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, David Reginald Adams