Patents by Inventor David J. Powell
David J. Powell 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: 20200146441Abstract: An article of furniture for placement atop a floor surface includes an upper body section having a center of gravity. The article of furniture further includes a leg supporting the upper body section from below. The leg is positioned below the upper body section wherein the leg is not positioned below the center of gravity of the upper body section, and the leg is secured to the floor surface by a fastener.Type: ApplicationFiled: November 9, 2018Publication date: May 14, 2020Inventor: David J. Powell
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Patent number: 9841145Abstract: An axial piercing mechanism for a pressurized gas canister includes a housing, electric motor assembly, pushrod assembly, and lancet. The housing defines one or more radial exhaust ports and coaxial internal cavities. The electric motor assembly and pushrod assembly are disposed in the respective first and second cavities. The pushrod assembly is coupled to the electric motor assembly and is rotatably driven along the longitudinal axis thereby. The lancet is coupled to the pushrod assembly. The housing includes a second end that receives or couples to a sealed end of the pressurized gas canister proximate the lancet such that the electric motor assembly, when energized, causes the pushrod assembly and lancet to translate along the longitudinal axis, pierce a sealed end/diaphragm of the canister, and release pressurized gas through the exhaust port. A system includes the axial piercing mechanism and the pressurized gas canister.Type: GrantFiled: October 26, 2016Date of Patent: December 12, 2017Assignee: Sparton CorporationInventors: David J. Powell, Keith R. Huber, Earl H. Mark, Taylor J. Durrance
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Patent number: 9612006Abstract: A table having integrated lighting includes a table top having an upper surface, a lower surface, and a side edge. At least one light-diffusing insert is mounted along at least a portion of the side edge. There is also provided at least one lighting element mounted within the table top to illuminate the light-diffusing insert. The light-diffusing insert and the lighting element are housed within a horizontally-extending recessed channel along the side edge of the table. The table also includes at least one base support mounted beneath the table top. The base support has at least one open channel extending the length of the base support through which an electrical wire extends upwardly to the table top. The electrical wire is connected through the table top to the lighting element to provide electrical power to the lighting element.Type: GrantFiled: June 14, 2016Date of Patent: April 4, 2017Assignee: Assa Group, Inc.Inventors: David J. Powell, Jeffrey S. Wilcox, Dante M. Zeppa, Gary R. Ludwig
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Publication number: 20160363310Abstract: A table having integrated lighting includes a table top having an upper surface, a lower surface, and a side edge. At least one light-diffusing insert is mounted along at least a portion of the side edge. There is also provided at least one lighting element mounted within the table top to illuminate the light-diffusing insert. The light-diffusing insert and the lighting element are housed within a horizontally-extending recessed channel along the side edge of the table. The table also includes at least one base support mounted beneath the table top. The base support has at least one open channel extending the length of the base support through which an electrical wire extends upwardly to the table top. The electrical wire is connected through the table top to the lighting element to provide electrical power to the lighting element.Type: ApplicationFiled: June 14, 2016Publication date: December 15, 2016Inventors: David J. Powell, Jeffrey S. Wilcox, Dante M. Zeppa
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Publication number: 20100045221Abstract: Electrical machine arrangements have advantages with regard to providing local electrical power and starting. Embedding such electrical machine arrangements in machinery such as gas turbine engines is advantageous in removing mechanical linkages and reducing aerodynamic drag. However, the components utilised must be able to withstand harsh environmental conditions and therefore the DC link capacitor used for smoothing of voltage fluctuations are limited to relatively low capacitance densities. Low density DC link capacitors require large sizes which render electrical machines less acceptable for embedded usage. By providing offset of electrical current in inductance elements such as stator windings and stator coils of electrical machines in dead periods of the cycle a reduction in DC link capacitor requirements is achieved reducing the size, weight and complexity of installing electrical machines in gas turbine engines.Type: ApplicationFiled: March 4, 2009Publication date: February 25, 2010Applicant: ROLLS-ROYCE PLCInventors: David R. Trainer, Harsh Agarwal, Stephen M. Husband, Gareth E. Moore, David J. Powell, Stephen A. Long
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Publication number: 20080197724Abstract: A component of an electric machine 46, the component comprising a core 10; two or more teeth 14 extending radially therefrom; at least one electromagnetic winding 12, each winding 12 around at least one of the teeth 14; wherein the core 10 having a cooling arrangement including at least one cooling insert 48 located between adjacent windings 12 and whereby in use a cooling fluid being arranged to flow through the at least one cooling insert 48 to facilitate heat transfer and dissipation from the electromagnetic windings 12. The cooling inserts providing improved cooling, structural support to the windings, and electrical insulation between the windings and the core.Type: ApplicationFiled: January 23, 2008Publication date: August 21, 2008Applicant: ROLLS-ROYCE PLCInventors: John J. A. Cullen, David J. Powell
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Patent number: 6870030Abstract: ASP2 polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed. Also disclosed are methods for utilizing ASP2 polypeptides and polynucleotides in the design of protocols for the treatment of Alzheimer's Disease, cancer, and prohormone processing, among others, and diagnostic assays for such conditions.Type: GrantFiled: October 3, 2001Date of Patent: March 22, 2005Assignees: Smithkline Beecham Corporation, Smithkline Beecham plcInventors: David J. Powell, Conrad G. Chapman, Kay Murphy, Trudi S. Smith
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Publication number: 20030171291Abstract: A method of screening compounds to identify those compounds which inhibit the Asp 1 mediated cleavage of a polypeptide or protein substrate, the method comprising: providing a reaction system comprising Asp 1 and substrate; and measuring the extent of cleavage of the substrate in the presence of test compound as compared with the extent of cleavage in the absence of test compound, and compounds identified thereby as well as compounds which are inhibitors of Asp 1 modulated APP cleavage and their use in therapy including the treatment or prophylaxis of &bgr; amyloid protein-related disease including AD.Type: ApplicationFiled: January 30, 2003Publication date: September 11, 2003Applicant: SmithKline Beecham CorporationInventors: Gary Christie, Ishrut Hussain, David J. Powell
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Publication number: 20030109022Abstract: ASP2 polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed. Also disclosed are methods for utilizing ASP2 polypeptides and polynucleotides in the design of protocols for the treatment of Alzheimer's Disease, cancer, and prohormone processing, among others, and diagnostic assays for such conditions.Type: ApplicationFiled: December 3, 2002Publication date: June 12, 2003Applicant: SmithKline Beecham CorporationInventors: David J. Powell, Conrad G. Chapman, Kay Murphy, Trudi S. Smith
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Publication number: 20030036112Abstract: ASP2 polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed. Also disclosed are methods for utilizing ASP2 polypeptides and polynucleotides in the design of protocols for the treatment of AlzheiMer's Disease, cancer, and prohormone processing, among others, and diagnostic assays for such conditions.Type: ApplicationFiled: October 3, 2001Publication date: February 20, 2003Inventors: David J. Powell, Conrad G. Chapman, Kay Murphy, Trudi S. Smith
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Publication number: 20020155560Abstract: Novel reductase polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed. Also disclosed are methods for utilizing novel reductase polypeptides and polynucleotides in diagnostic assays.Type: ApplicationFiled: February 7, 2001Publication date: October 24, 2002Inventors: David J. Powell, David G. Tew
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Patent number: D774814Type: GrantFiled: September 6, 2016Date of Patent: December 27, 2016Assignee: Assa Group, Inc.Inventor: David J. Powell
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Patent number: D776474Type: GrantFiled: May 31, 2016Date of Patent: January 17, 2017Assignee: Assa Group, Inc.Inventors: David J Powell, Ryan D. Sullivan
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Patent number: D776967Type: GrantFiled: May 31, 2016Date of Patent: January 24, 2017Assignee: Assa Group, Inc.Inventors: David J. Powell, Ryan D Sullivan
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Patent number: D776968Type: GrantFiled: May 31, 2016Date of Patent: January 24, 2017Assignee: Assa Group, Inc.Inventors: David J. Powell, Ryan D. Sullivan
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Patent number: D858149Type: GrantFiled: June 11, 2018Date of Patent: September 3, 2019Assignee: Assa Group, Inc.Inventor: David J. Powell
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Patent number: D873594Type: GrantFiled: June 11, 2018Date of Patent: January 28, 2020Assignee: Assa Group, Inc.Inventor: David J. Powell
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Patent number: D875449Type: GrantFiled: June 11, 2018Date of Patent: February 18, 2020Assignee: Assa Group, Inc.Inventors: David J. Powell, Ryan D. Sullivan
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Patent number: D882997Type: GrantFiled: June 12, 2018Date of Patent: May 5, 2020Inventors: David J. Powell, Ryan D. Sullivan
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Patent number: D893929Type: GrantFiled: March 28, 2019Date of Patent: August 25, 2020Assignee: Assa Group, Inc.Inventors: David J. Powell, Ryan D. Sullivan