Patents by Inventor Donald A. Walker
Donald A. Walker 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: 20210090446Abstract: A method in a trail aircraft for monitoring the separation distance between the trail aircraft and a lead aircraft during a flight deck interval management paired approach (FIM-PA) procedure is provided. The method includes: receiving an assigned spacing goal (ASG); receiving traffic information regarding the lead aircraft that indicates the position, heading and ground velocity of the lead aircraft; retrieving a predetermined tolerance limit and traffic information regarding the trail aircraft that indicates the position, heading and ground velocity of the trail aircraft; setting a range limit that is at least as great as the absolute limit indicated by the ASG plus the tolerance limit; monitoring the range and ground speed differential between the lead aircraft and the trail aircraft; and generating a caution alert indicator when a monitored condition detected from monitoring the range and ground speed differential indicates a potential problem.Type: ApplicationFiled: September 23, 2019Publication date: March 25, 2021Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Abdur Rab, Donald Walker, Anupam Mazumdar, Prashanth Thirumalaivenjamur, Arivazhagan V
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Patent number: 10508797Abstract: A luminaire has a light emitting portion extending between first second end caps to define a length between the first end cap and the second end cap. The first end cap comprises a receptacle and the second end cap comprises a post both of which extend in an insertion direction. The receptacles are configured to closely receive the posts and the insertion direction is disposed transversely to the length. A method of assembling a luminaire assembly includes positioning a first end cap of a first luminaire over a second end cap of a second luminaire; moving the first end cap relative to the second end cap in the insertion direction; and inserting the post into the receptacle. An electrical connector on the first end cap may connect with a mating electrical connector on the second end cap to complete an electrical connection between the first luminaire and the second luminaire.Type: GrantFiled: December 21, 2016Date of Patent: December 17, 2019Assignee: IDEAL Industries Lighting LLCInventors: Donald Walker, Qingcong Hu, Boris Karpichev, Andrew Bendtsen, Kurt Wilcox
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Patent number: 10421716Abstract: The invention relates to a novel process for preparing ?-carboxamide pyrrolidine derivatives, in particular (2S, 5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carboxamide, and to novel intermediates for use in said process along with processes for preparing said intermediates.Type: GrantFiled: December 23, 2015Date of Patent: September 24, 2019Assignee: Convergence Pharmaceuticals LimitedInventors: David MacPherson, David Witty, Gerard Giblin, Michael Williams, Donald Walker, William Kiesman, Tamera Mack
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Patent number: 10264657Abstract: A lighting fixture includes an LED light source that outputs light for general illumination in response to a drive signal, and a driver module configured to provide the drive signal in response to an intelligent lighting module (ILM) instruction. An ILM that is separate from the driver module is provided and has a first plurality of sensors, a first communication interface, a second communication interface, and first control circuitry. The control circuitry of the ILM is configured to communicate with at least one remote entity via the first communication interface as well as generate the ILM instruction for the driver module based on sensor data gathered from the first plurality of sensors, remote entities, or a combination thereof. The ILM instruction is provided to the driver module via the second communication interface and used by the driver module to control the drive signal for the LED array.Type: GrantFiled: December 21, 2017Date of Patent: April 16, 2019Assignee: Cree, Inc.Inventors: Kory Liszt, Donald Walker
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Patent number: 10247372Abstract: A light fixture includes a LED assembly and a housing. A lens assembly comprises a lens and a first end cap and a second end cap. The end caps are releasably connected to the housing such that the lens and the end caps are releasably mounted to the housing as a unit. The end caps may be releasably mounted to the housing by a deformable, resilient first engagement member that releasably engages a second engagement when the lens assembly is moved relative to the housing in a first direction. A force is created between the first engagement member and the second engagement member sufficient to hold the lens assembly in the housing and low enough that the lens assembly is removable from the housing by pulling the lens assembly in a second direction opposite to the first direction.Type: GrantFiled: February 6, 2017Date of Patent: April 2, 2019Assignee: Cree, Inc.Inventors: Kurt Wilcox, Donald Walker, Curt Progl, Randall Levy Bernard
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Publication number: 20180355028Abstract: The application identifies novel fragments of alpha-synuclein in patients with Lewy Body Disease (LBD) and transgenic animal models thereof. These diseases are characterized by aggregations of alpha-synuclein. The fragments have a truncated C-terminus relative to full-length alpha-synuclein. Some fragments are characterized by a molecular weight of about 12 kDa as determined by SDS gel electrophoresis in tricine buffer and a truncation of at least ten contiguous amino acids from the C-terminus of natural alpha-synuclein. The site of cleavage preferably occurs after residue 117 and before residue 126 of natural alpha-synuclein. The identification of these novel fragments of alpha-synuclein has a number of application in for example, drug discovery, diagnostics, therapeutics, and transgenic animals.Type: ApplicationFiled: May 16, 2018Publication date: December 13, 2018Inventors: Tamie J. Chilcote, Jason Goldstein, John P. Anderson, Donald Walker
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Publication number: 20180359838Abstract: A lighting fixture includes an LED light source that outputs light for general illumination in response to a drive signal, and a driver module configured to provide the drive signal in response to an intelligent lighting module (ILM) instruction. An ILM that is separate from the driver module is provided and has a first plurality of sensors, a first communication interface, a second communication interface, and first control circuitry. The control circuitry of the ILM is configured to communicate with at least one remote entity via the first communication interface as well as generate the ILM instruction for the driver module based on sensor data gathered from the first plurality of sensors, remote entities, or a combination thereof. The ILM instruction is provided to the driver module via the second communication interface and used by the driver module to control the drive signal for the LED array.Type: ApplicationFiled: December 21, 2017Publication date: December 13, 2018Inventors: Kory Liszt, Donald Walker
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Patent number: 10094971Abstract: In one aspect, optic assemblies and waveguide fixtures comprising the same are described herein. In an exemplary embodiment, an optic assembly includes an optic housing, an optical insert positioned in the optic housing, and a waveguide optic positioned in the optical insert. The waveguide optic includes a light extraction face and at least two sets of light extraction elements provided on the light extraction face. The at least two sets of light extraction elements are disposed on opposing sides of an axis of symmetry for extracting a symmetric lighting distribution.Type: GrantFiled: June 16, 2017Date of Patent: October 9, 2018Assignee: Cree, Inc.Inventors: Jin Hong Lim, Kurt Wilcox, Boris Karpichev, Donald Walker
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Publication number: 20180224075Abstract: A light fixture includes a LED assembly and a housing. A lens assembly comprises a lens and a first end cap and a second end cap. The end caps are releasably connected to the housing such that the lens and the end caps are releasably mounted to the housing as a unit. The end caps may be releasably mounted to the housing by a deformable, resilient first engagement member that releasably engages a second engagement when the lens assembly is moved relative to the housing in a first direction. A force is created between the first engagement member and the second engagement member sufficient to hold the lens assembly in the housing and low enough that the lens assembly is removable from the housing by pulling the lens assembly in a second direction opposite to the first direction.Type: ApplicationFiled: February 6, 2017Publication date: August 9, 2018Inventors: Kurt Wilcox, Donald Walker, Curt Progl, Randall Levy Bernard
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Publication number: 20180172246Abstract: A luminaire has a light emitting portion extending between first second end caps to define a length between the first end cap and the second end cap. The first end cap comprises a receptacle and the second end cap comprises a post both of which extend in an insertion direction. The receptacles are configured to closely receive the posts and the insertion direction is disposed transversely to the length. A method of assembling a luminaire assembly includes positioning a first end cap of a first luminaire over a second end cap of a second luminaire; moving the first end cap relative to the second end cap in the insertion direction; and inserting the post into the receptacle. An electrical connector on the first end cap may connect with a mating electrical connector on the second end cap to complete an electrical connection between the first luminaire and the second luminaire.Type: ApplicationFiled: December 21, 2016Publication date: June 21, 2018Inventors: Donald Walker, Qingcong Hu, Boris Karpichev, Andrew Bendtsen, Kurt Wilcox
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Publication number: 20180128961Abstract: In one aspect, optic assemblies and waveguide fixtures comprising the same are described herein. In an exemplary embodiment, an optic assembly includes an optic housing, an optical insert positioned in the optic housing, and a waveguide optic positioned in the optical insert. The waveguide optic includes a light extraction face and at least two sets of light extraction elements provided on the light extraction face. The at least two sets of light extraction elements are disposed on opposing sides of an axis of symmetry for extracting a symmetric lighting distribution.Type: ApplicationFiled: June 16, 2017Publication date: May 10, 2018Inventors: Jin Hong LIM, Kurt WILCOX, Boris KARPICHEV, Donald WALKER
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Patent number: 9894740Abstract: A lighting fixture includes an LED light source that outputs light for general illumination in response to a drive signal, and a driver module configured to provide the drive signal in response to an intelligent lighting module (ILM) instruction. An ILM that is separate from the driver module is provided and has a first plurality of sensors, a first communication interface, a second communication interface, and first control circuitry. The control circuitry of the ILM is configured to communicate with at least one remote entity via the first communication interface as well as generate the ILM instruction for the driver module based on sensor data gathered from the first plurality of sensors, remote entities, or a combination thereof. The ILM instruction is provided to the driver module via the second communication interface and used by the driver module to control the drive signal for the LED array.Type: GrantFiled: June 13, 2017Date of Patent: February 13, 2018Assignee: Cree, Inc.Inventors: Kory Liszt, Donald Walker
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Patent number: 9879071Abstract: The application identifies novel fragments of alpha-synuclein in patients with Lewy Body Disease (LBD) and transgenic animal models thereof. These diseases are characterized by aggregations of alpha-synuclein. The fragments have a truncated C-terminus relative to full-length alpha-synuclein. Some fragments are characterized by a molecular weight of about 12 kDa as determined by SDS gel electrophoresis in tricine buffer and a truncation of at least ten contiguous amino acids from the C-terminus of natural alpha-synuclein. The site of cleavage preferably occurs after residue 117 and before residue 126 of natural alpha-synuclein. The identification of these novel fragments of alpha-synuclein has a number of application in for example, drug discovery, diagnostics, therapeutics, and transgenic animals.Type: GrantFiled: September 5, 2012Date of Patent: January 30, 2018Assignee: Prothena Biosciences LimitedInventors: Tamie J. Chilcote, Jason Goldstein, John P. Anderson, Donald Walker
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Publication number: 20170369437Abstract: The invention relates to a novel process for preparing ?-carboxamide pyrrolidine derivatives, in particular (2S, 5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carboxamide, and to novel intermediates for use in said process along with processes for preparing said intermediates.Type: ApplicationFiled: December 23, 2015Publication date: December 28, 2017Inventors: David MacPherson, David WITTY, Gerard GIBLIN, Michael WILLIAMS, Donald WALKER, William KIESMAN, Tamera MACK
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Publication number: 20170204173Abstract: The application identifies novel fragments of alpha-synuclein in patients with Lewy Body Disease (LBD) and transgenic animal models thereof. These diseases are characterized by aggregations of alpha-synuclein. The fragments have a truncated C-terminus relative to full-length alpha-synuclein. Some fragments are characterized by a molecular weight of about 12 kDa as determined by SDS gel electrophoresis in tricine buffer and a truncation of at least ten contiguous amino acids from the C-terminus of natural alpha-synuclein. The site of cleavage preferably occurs after residue 117 and before residue 126 of natural alpha-synuclein. The identification of these novel fragments of alpha-synuclein has a number of application in for example, drug discovery, diagnostics, therapeutics, and transgenic animals.Type: ApplicationFiled: March 22, 2017Publication date: July 20, 2017Inventors: Tamie J. Chilcote, Jason Goldstein, John P. Anderson, Donald Walker
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Patent number: 9552143Abstract: Exemplary systems and methods for interaction with water usage information are provided. In various embodiments, a method comprises receiving water usage data from a meter device, receiving an identifier from a user associated with the meter device, providing an interactive interface to the user, the interactive interface conveying at least some water usage information based on the water usage data, receiving a first characterization of a first water activity from the user, generating a visualization based on the water usage information and the first characterization of the first water activity, and displaying the visualization.Type: GrantFiled: December 31, 2013Date of Patent: January 24, 2017Assignee: Badger Meter, Inc.Inventors: Shahram Javey, Patrick Rodriguez, Donald Walker
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Patent number: 9547133Abstract: An optical device comprising a sealed waterproof housing comprising at least one LED disposed within the housing; a transparent window to allow light from the LED to be emitted from the housing; a non-imaging light element for coupling light from the LED into a plurality of side emitting optical fibers connected to the housing; and a fixing portion for securing the plurality of side-emitting optical fibers into a coupling position adjacent to the window to allow light to pass between the housing and the plurality of optical fibers, via the transparent window. The fixing portion is adapted to allow connection and/or disconnection of the plurality of optical fibers without opening or breaking a seal of the sealed waterproof housing.Type: GrantFiled: March 30, 2011Date of Patent: January 17, 2017Assignee: UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWSInventors: Malcolm Harry Dunn, Graham M. Miller, Donald Walker
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Patent number: 9191106Abstract: A communications system comprising at least one light source, a side-emitting fiber light rope into which light emitted from the light source is coupled, and means for sending at least one data carrying optical signal along the light rope.Type: GrantFiled: August 24, 2010Date of Patent: November 17, 2015Assignee: UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWSInventors: Malcolm Harry Dunn, Donald Walker, David James Mark Stothard
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Patent number: D927027Type: GrantFiled: December 28, 2018Date of Patent: August 3, 2021Assignee: IDEAL Industries Lighting LLCInventors: Kurt Wilcox, Donald Walker, Curt Progl, Randall Levy Bernard
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Patent number: D1013243Type: GrantFiled: June 30, 2021Date of Patent: January 30, 2024Assignee: IDEAL Industries Lighting LLCInventors: Kurt Wilcox, Donald Walker, Curt Progl, Randall Levy Bernard