Patents by Inventor David Weaver
David Weaver 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: 12234024Abstract: An aircraft nacelle includes a forward cruise inlet, a forward-cruise-inlet conduit coupled to the forward cruise inlet and operable to supply air from the forward cruise inlet to an engine housed by the aircraft nacelle, an inlet barrier filter, an inlet-barrier-filter compartment coupled to the inlet barrier filter, a plurality of gills coupled between the inlet-barrier-filter compartment and the engine and operable to be in an open state and a closed state, a filter-purge door coupled to the inlet-barrier-filter compartment and operable to be in a closed state and an open state. When the plurality of gills are in the closed state and the filter-purge door is in the open state, air from the filter-purge door flows from the inlet-barrier-filter compartment through the inlet barrier filter.Type: GrantFiled: July 26, 2023Date of Patent: February 25, 2025Assignee: Textron Innovations Inc.Inventors: John Robert Wittmaak, Jr., Brennan Stults, Keith David Weaver, Richard Lee Thackway
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Publication number: 20250033786Abstract: An aircraft nacelle includes a forward cruise inlet, a forward-cruise-inlet conduit coupled to the forward cruise inlet and operable to supply air from the forward cruise inlet to an engine housed by the aircraft nacelle, an inlet barrier filter, an inlet-barrier-filter compartment coupled to the inlet barrier filter, a plurality of gills coupled between the inlet-barrier-filter compartment and the engine and operable to be in an open state and a closed state, a filter-purge door coupled to the inlet-barrier-filter compartment and operable to be in a closed state and an open state. When the plurality of gills are in the closed state and the filter-purge door is in the open state, air from the filter-purge door flows from the inlet-barrier-filter compartment through the inlet barrier filter.Type: ApplicationFiled: July 26, 2023Publication date: January 30, 2025Applicant: Textron Innovations Inc.Inventors: John Robert WITTMAAK, JR., Brennan STULTS, Keith David WEAVER, Richard Lee THACKWAY
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Patent number: 11999503Abstract: A transition duct assembly includes a shared connector, and a plurality of primary cooling pathways for cooling one or more systems or components. Each primary cooling pathway includes a transition duct in fluid communication with the shared connector, and a transition connector in fluid communication with the transition duct.Type: GrantFiled: August 14, 2023Date of Patent: June 4, 2024Assignee: TEXTRON INNOVATIONS INC.Inventors: Keith David Weaver, Michael Pujol, Andrew Jordan Birkenheuer, Nicholas Plagianos, Karl Burge, Thomas Mast
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Publication number: 20240173582Abstract: Embodiments are directed to a rotorcraft comprising an airframe having an engine compartment, an engine disposed within the engine compartment, at least one fire bottle configured to hold a fire extinguishing agent, at least one agent tube coupled to the fire bottle and configured to carry the fire extinguishing agent to the engine compartment, and a nozzle on the at least one agent tube, the nozzle positioned below the engine and oriented in a upward-facing direction. The nozzle has at least one opening that is closed by a spring-loaded valve.Type: ApplicationFiled: December 30, 2023Publication date: May 30, 2024Applicant: Textron Innovations Inc.Inventors: Thomas Dewey Parsons, Keith David Weaver, Chris James Ludtke, Paul Madej, Andrew Jordan Birkenheuer
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Publication number: 20240035973Abstract: Disclosed are thallium-sensitive assay methods and compositions for identifying effectors of monovalent ion channels, transporters, or channel-linked receptors. Further described are methods that extend the detection window of an assay to ensure assay compatibility with basic fluorescence plate readers, fluorescence microscopes, high content screening instrumentation, and flow cytometers. The ability to conduct ion mobilization screens on additional instrumentation also enables significantly more complex data acquisition, analysis, and interpretation.Type: ApplicationFiled: June 29, 2023Publication date: February 1, 2024Inventors: Derek Hernandez, Charles David Weaver
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Publication number: 20240013320Abstract: A method for allocating funds includes (A) accessing, by one or more computers, one or more electronic databases comprising (1) aggregated program information for one or more programs having a total grant amount, a self-funded amount, and a total amount equal to a sum of the total grant amount and the self-funded amount, (2) aggregated grant information for one or more grants, each of the of the one or more grants including a billing cycle, a total budget, an amount spent and a remaining balance, (3) a relationship between each of the one or more programs to each of the one or more grants, (B) obtaining, by the one or more computers, expense transaction data from a general ledger, and (C) allocating, by the one or more computers, the expense transaction data to the one or more programs and the one or more grants according to a predetermined allocation method.Type: ApplicationFiled: July 7, 2023Publication date: January 11, 2024Applicant: Edge Grant Billing Systems Inc.Inventor: David Weaver
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Patent number: 11865382Abstract: Embodiments are directed to a rotorcraft comprising an airframe having an engine compartment, an engine disposed within the engine compartment, at least one fire bottle configured to hold a fire extinguishing agent, at least one agent tube coupled to the fire bottle and configured to carry the fire extinguishing agent to the engine compartment, and a nozzle on the at least one agent tube, the nozzle positioned above the engine and oriented in a downward-facing direction. The nozzle has at least one opening and is configured to allow liquid to drain out of the at least one opening instead of allowing the liquid to flow into the at least one agent tube. The nozzle may have a chamfer opening that faces downward.Type: GrantFiled: January 26, 2021Date of Patent: January 9, 2024Assignee: Textron Innovations Inc.Inventors: Thomas Dewey Parsons, Keith David Weaver, Chris James Ludtke, Paul Madej, Andrew Jordan Birkenheuer
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Publication number: 20230391464Abstract: A transition duct assembly includes a shared connector, and a plurality of primary cooling pathways for cooling one or more systems or components. Each primary cooling pathway includes a transition duct in fluid communication with the shared connector, and a transition connector in fluid communication with the transition duct.Type: ApplicationFiled: August 14, 2023Publication date: December 7, 2023Inventors: Keith David Weaver, Michael Pujol, Andrew Jordan Birkenheuer, Nicholas Plagianos, Karl Burge, Thomas Mast
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Patent number: 11767125Abstract: A transition duct assembly includes a shared connector, and a plurality of primary cooling pathways for cooling one or more systems or components. Each primary cooling pathway includes a transition duct in fluid communication with the shared connector, and a transition connector in fluid communication with the transition duct.Type: GrantFiled: September 11, 2020Date of Patent: September 26, 2023Assignee: TEXTRON INNOVATIONS INC.Inventors: Keith David Weaver, Michael Pujol, Andrew Jordan Birkenheuer, Nicholas Plagianos, Karl Burge, Thomas Mast
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Patent number: 11519859Abstract: Provided are novel rhodol-based compounds, the preparation method thereof, and use thereof in Tl+ flux assays. The fluorescent thallium ion sensor compounds have a rhodol fluorophore attached to an amino dicarboxylic acid metal binding moiety. The compounds are prepared in the “pro-dye” form, with the rhodol oxygen and the carboxylic acids of the metal binding unit masked by protecting groups. The disclosed compounds may be used as more red-shifted and less pH-sensitive variants of Thallos.Type: GrantFiled: April 9, 2019Date of Patent: December 6, 2022Assignee: Vanderbilt UniversityInventors: Charles David Weaver, Brendan F. Dutter, Gary A. Sulikowski
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Publication number: 20220233898Abstract: Embodiments are directed to a rotorcraft comprising an airframe having an engine compartment, an engine disposed within the engine compartment, at least one fire bottle configured to hold a fire extinguishing agent, at least one agent tube coupled to the fire bottle and configured to carry the fire extinguishing agent to the engine compartment, and a nozzle on the at least one agent tube, the nozzle positioned above the engine and oriented in a downward-facing direction. The nozzle has at least one opening and is configured to allow liquid to drain out of the at least one opening instead of allowing the liquid to flow into the at least one agent tube. The nozzle may have a chamfer opening that faces downward.Type: ApplicationFiled: January 26, 2021Publication date: July 28, 2022Applicant: Bell Textron Inc.Inventors: Thomas Dewey Parsons, Keith David Weaver, Chris James Ludtke, Paul Madej, Andrew Jordan Birkenheuer
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Patent number: 11255373Abstract: A thermal management system and method includes: a drive shaft; one or more fans or impellers in fluid communication with at least a portion of the drive shaft; and one or more air management baffles configured to direct air flow between the impeller and the portion of the drive shaft. In one embodiment, the system and method further includes insulation positioned about the at least a portion of the drive shaft.Type: GrantFiled: September 13, 2017Date of Patent: February 22, 2022Assignee: TEXTRON INNOVATIONS INC.Inventors: Andrew Jordan Birkenheuer, Keith David Weaver, Jon Damon Bennett
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Patent number: 11104926Abstract: Provided are N,N?-diacyl rhodamine compounds, which may be converted to rhodamine by porcine liver esterase (PLE) to produce a fluorescence signal. These compounds may be used, for example, as substrates in enzymatic assays or as labels in cellular imaging.Type: GrantFiled: March 26, 2019Date of Patent: August 31, 2021Assignees: Vanderbilt University, Meharry Medical CollegeInventors: Gary A. Sulikowski, Kristopher K. Abney, Susan J. Ramos-Hunter, Ian M. Romaine, Charles David Weaver
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Patent number: 10907723Abstract: A cooling apparatus includes a shared cooling device for one or more systems or components, and a plurality of primary cooling pathways. Each of the primary cooling pathways includes a transition duct and a fan. The transition duct is in fluid communication with the shared cooling device. The fan is in fluid communication with the transition duct.Type: GrantFiled: September 20, 2017Date of Patent: February 2, 2021Assignee: BELL HELICOPTER TEXTRON INC.Inventors: Keith David Weaver, Michael Pujol, Andrew Jordan Birkenheuer, Nicholas Plagianos, Karl R. Burge, Scott David Poster, Thomas Mast
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Publication number: 20210001995Abstract: A transition duct assembly includes a shared connector, and a plurality of primary cooling pathways for cooling one or more systems or components. Each primary cooling pathway includes a transition duct in fluid communication with the shared connector, and a transition connector in fluid communication with the transition duct.Type: ApplicationFiled: September 11, 2020Publication date: January 7, 2021Inventors: Keith David Weaver, Michael Pujol, Andrew Jordan Birkenheuer, Nicholas Plagianos, Karl Burge, Thomas Mast
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Patent number: 10823289Abstract: A duct interface system and method includes a duct having a first end and a second end; a first receptacle for the first end of the duct and/or a second receptacle for the second end of the duct; and one or more first seals between the first end of the duct and the first receptacle and/or one or more second seals between the second end of the duct and the second receptacle.Type: GrantFiled: November 17, 2017Date of Patent: November 3, 2020Assignee: BELL HELICOPTER TEXTRON INC.Inventors: Keith David Weaver, David Angell, Nicholas Plagianos, Thomas Mast
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Patent number: 10793283Abstract: A transition duct assembly includes a shared connector, and a plurality of primary cooling pathways for cooling one or more systems or components. Each primary cooling pathway includes a transition duct in fluid communication with the shared connector, and a transition connector in fluid communication with the transition duct.Type: GrantFiled: September 20, 2017Date of Patent: October 6, 2020Assignee: BELL HELICOPTER TEXTRON INC.Inventors: Keith David Weaver, Michael Pujol, Andrew Jordan Birkenheuer, Nicholas Plagianos, Karl R. Burge, Thomas Mast
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Patent number: 10718225Abstract: A gas-leak management system including a primary duct; and a leak-management duct, at least a portion of the leak-management duct surrounding at least a portion of the primary duct, wherein the leak-management duct includes a gap between the portion of the primary duct and the portion of the leak-management duct, and including one or more vent holes in fluid communication with the gap.Type: GrantFiled: December 1, 2017Date of Patent: July 21, 2020Assignee: BELL HELICOPTER TEXTRON INC.Inventors: Keith David Weaver, David Angell, Stephen Dickison, David Michael Tiedeman, Nicholas Plagianos
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Patent number: 10534606Abstract: Approaches are described to improve database performance by implementing a RLE decompression function at a low level within a general-purpose processor or an external block. Specifically, embodiments of a hardware implementation of an instruction for RLE decompression are disclosed. The described approaches improve performance by supporting the RLE decompression function within a processor and/or external block. Specifically, a RLE decompression hardware implementation is disclosed that produces a 64-bit RLE decompression result, with an example embodiment performing the task in two pipelined execution stages with a throughput of one per cycle. According to embodiments, hardware organization of narrow-width shifters operating in parallel, controlled by computed shift counts, is used to perform the decompression.Type: GrantFiled: September 28, 2015Date of Patent: January 14, 2020Assignee: ORACLE INTERNATIONAL CORPORATIONInventors: Jeffrey S. Brooks, Robert Golla, Albert Danysh, Shasank Chavan, Prateek Agrawal, Andrew Ewoldt, David Weaver
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Patent number: 10501949Abstract: Embodiments of the Concrete Form include a form tube, chamfer disk, and one or more cross-members. The cross-members are comprised of a center pivot aperture, two bolt guides, which are formed by the cross-members, end clamps, and an optional clamp. The chamfer disk is a disk that sits atop of the form tube and forms side chamfers in positive relief when placed upon the form tube when the concrete cures. The optional conduit clamp can be used to hold any conduit, tube or any other item during the pour. In another embodiment of the Concrete Form is comprised of a form tube, chamfer disk, end clamps, four or more bottom slide arms, and four or more top slide arms.Type: GrantFiled: January 31, 2017Date of Patent: December 10, 2019Inventor: Everett David Weaver