Patents by Inventor David An

David An 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).

  • Publication number: 20230018085
    Abstract: Embodiments of systems and methods for managing control of a security processor in a supply chain are described. In some embodiments, a security processor may include: a core; and a memory coupled to the core, the memory having program instructions stored thereon that, upon execution by the core, cause the security processor to: store a first public key usable to initiate a first secure boot process and unusable to initiate a second secure boot process; store a second public key usable to initiate the second secure boot process and unusable to initiate the first secure boot process; and in response to a first change of control or ownership of the security processor, render the first public key unusable to initiate the first secure boot process.
    Type: Application
    Filed: July 12, 2021
    Publication date: January 19, 2023
    Applicant: Dell Products, L.P.
    Inventors: Mukund P. Khatri, Eugene David Cho
  • Publication number: 20230018111
    Abstract: A retractor system and related methods for use in spinal surgery procedures, including but not limited to fusing or repairing damaged or deteriorated intervertebral discs or vertebral bodies in the lower lumbar levels. The retractor system includes a plurality of blade assemblies coupled to a handle assembly, wherein each of the blade assemblies may be independently adjusted (e.g. length blade and/or blade angulation and/or blade rotation relative to the handle assembly) to provide unprecedented customization of an operative corridor extending to the surgical target site of the patient such that any number of spinal surgery procedures may be undertaken by a surgeon, including but not limited to spinal fusion procedures at the L5-S1 disc space.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Inventors: Scott Spann, Shawn H. Culbertson, Ronald R. Jordan, David Frederick Crook
  • Publication number: 20230020027
    Abstract: Dynamic network resource slice partition size adjustment is provided herein. A method can include partitioning resources enabled via a communication network among network slices of the communication network, the network slices comprising an expandable network slice and a contractable network slice, obtaining a resource usage value for the expandable network slice, the resource usage value indicating a first proportion of the resources enabled via the communication network being used by the expandable network slice, and in response to the resource usage value being greater than a threshold, reallocating a portion of the resources enabled via the communication network from the contractable network slice to the expandable network slice, the portion of the resources being defined based on a function of a ratio of the first proportion to a second proportion of the resources enabled via the communication network being used by the contractable network slice.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 19, 2023
    Inventors: Feza Buyukdura, David Lewis
  • Publication number: 20230019134
    Abstract: An unmanned aerial vehicle (UAV) includes a sprayer configured to generate a pressurized fluid flow and a nozzle configured to receive the pressurized fluid from the sprayer and to generate a spray fan to apply the fluid to a surface. The UAV includes sensors and a control unit to control both flight of the UAV and spraying by the sprayer. The fluid can be stored onboard the UAV in a reservoir or can be remotely stored and pumped to the UAV. The UAV control unit can be preloaded with a spray plan and a flight plan, or the UAV can be controlled by a user.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 19, 2023
    Inventors: David J. Thompson, Dale D. Johnson
  • Publication number: 20230017194
    Abstract: An adjustable sofa-bed assembly for use within a vehicle such as a van or RV. The sofa-bed includes a seat portion, a back portion, and either a permanently fixed base or a removable leg portion which allows the legs to be installed into the vehicle prior to installing the seat and back portions to allow for additional elements to be installed beneath the sofa-bed, such as power elements for a powered sofa-bed assembly or for other equipment. The sofa-bed can be transformed from a sofa configuration with an upright back portion to a bed configuration with a laid-flat back portion. When in the bed configuration, the seat portion and back portion are aligned such that there is no gap between the two portions and the two portions lie completely flat, forming a complete bed assembly.
    Type: Application
    Filed: September 23, 2022
    Publication date: January 19, 2023
    Inventor: David Slater
  • Publication number: 20230013098
    Abstract: Systems, apparatus, methods, and non-transitory media for providing point-of-sale functionality are discussed herein. Some embodiments may include a system including a merchant device and a consumer facing device. The merchant device may include a merchant display device configured to present interactive displays of a merchant facing interface configured to be used by merchants. The consumer facing device may be configured to present interactive displays of a consumer facing interface configured to be used by consumers. The point-of-sale system may be configured to facilitate financial transactions and other forms of consumer service. For example, merchant inputs provided via the merchant facing interface (e.g., entered menu items) may be shown on the consumer facing interface. In another example, consumer inputs provided via the consumer facing interface be sent to the merchant device and/or otherwise used by the merchant device to facilitate a financial transaction, among other things.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 19, 2023
    Inventors: David Scott PARKER, Tim Loong MUN, Raul Eduardo ACUNA CARRASCO, Kavin ARASU, Peter HONG
  • Publication number: 20230020380
    Abstract: An emergency sensor system comprising: a plurality of environmental sensors; a local monitoring station (LMS) connected to each of the plurality of environmental sensors, the LMS comprising a transceiver, a processor, and a memory having stored thereon instructions that, when executed by the processor, control the processor to execute a method comprising: receiving, from at least one of the plurality of environmental sensors, sensor data indicative of an environmental state proximate the at least one environmental sensor, analyze the sensor data, and output, to a remote responder system, an alert based on the sensor data.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 19, 2023
    Inventor: David G. Tyson
  • Publication number: 20230020576
    Abstract: Method, apparatuses, and computer program products for automatically determining a placement location or removal location for one or more items is disclosed. An example method comprising generating a plurality of three-dimensional pallet cells for a pallet; generating one or more three-dimensional item cells for each item of a plurality of items; determining a placement location comprising one or more three-dimensional pallet cells for one or more items of the plurality of items; and causing one or more indications describing the placement location for the one or more items of the plurality of items.
    Type: Application
    Filed: July 19, 2021
    Publication date: January 19, 2023
    Applicant: INTELLIGRATED HEADQUARTERS, LLC
    Inventors: David Frederick PEPLEY, Mayank PATHAK
  • Publication number: 20230014710
    Abstract: A mounting bracket for securing a control unit that controls a bushing well interrupter device provided within a transformer enclosure associated with an underground loop circuit. The mounting bracket includes a support portion configured to hold the control unit and a mounting portion coupled to the mounting portion, where the mounting portion including a hook portion configured to hook onto one terminal in the enclosure and a notch portion configured to rest against another terminal in the enclosure.
    Type: Application
    Filed: April 7, 2022
    Publication date: January 19, 2023
    Applicant: S&C Electric Company
    Inventors: Thomas S. Kelley, Thomas J. Dyer, Joseph W. Milton, David G. Porter
  • Publication number: 20230014322
    Abstract: A central computer includes a first processor and a first memory. A portable computer includes a second processor and a second memory. The portable computer is programmed to: obtain an identifier of a vehicle via a scanner included in the portable computer, and transmit the identifier and first validation data to the central computer, and transmit a message to the central computer for a destination computer. The central computer is programmed to receive the identifier and the first validation data from the portable computer, determine second validation data; identify a destination computer based on the identifier, and upon determining that a comparison of the first validation data and the second validation data meets a specified criterion, transmit the message from the portable computer to the destination computer.
    Type: Application
    Filed: July 13, 2021
    Publication date: January 19, 2023
    Applicant: Ford Global Technologies, LLC
    Inventors: Stuart C. Salter, Pietro Buttolo, David Brian Glickman, John Robert Van Wiemeersch, Annette Lynn Huebner
  • Publication number: 20230012819
    Abstract: Three-dimensional dynamic random-access memory (3D DRAM) structures and methods of formation of same are provided herein. In some embodiments, a 3D DRAM stack can include alternating silicon (Si) layers and silicon germanium (SiGe) layers. Each of the Si layers may have a height greater than a height of each of the SiGe layers. Methods and systems for formation of such structures are further provided.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 19, 2023
    Inventors: John Byron Tolle, Tomohiko Kitajima, Thomas John Kirschenheiter, Patricia M. Liu, Zuoming Zhu, Joe Margetis, Fredrick David Fishburn, Abdul Wahab Mohammed, Gill Yong Lee
  • Publication number: 20230015477
    Abstract: Aspects of the invention include receiving system data associated with a first system, the first system comprising a plurality of system components, wherein the system data comprises component data for each system component in the plurality of system components, obtaining historical performance data for each system component in the plurality of system components, determining at least one testing constraint associated with the first system, determining a test environment for the first system, the test environment comprising a plurality of test cases for the first system based on the system data, the historical performance data, and the at least one testing constraint, and executing the test environment on the first system.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 19, 2023
    Inventors: David Verburg, Gábor Andorkó, Oscar Alejandro de la Torre Del Rio, Richard Burton Finch
  • Publication number: 20230017328
    Abstract: A gas turbine nozzle assembly of a gas turbine is provided. The turbine nozzle assembly may include a turbine nozzle extending from an inner diameter to an outer diameter and having an airfoil-shaped cross section having a leading edge and a trailing edge, and a pressure side and a suction side each of which extends from the leading edge to the trailing edge, wherein the turbine nozzle may include a hollow airfoil including a plurality of cavities positioned in the airfoil, an insert positioned in one or more of the plurality of cavities of the hollow airfoil, a plurality of cover plates, at least one of which is positioned at one of the inner diameter and at the outer diameter, and a plurality of impingement pans, at least one of which is positioned at one of the inner diameter and at the outer diameter.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 19, 2023
    Inventors: GENE CHONG, YeJee Kim, Darryl Eng, David Day, Younggi Mun, Bryan Bernier, Hongseung Seo, JaeBin Lee
  • Publication number: 20230016512
    Abstract: A system suitable for delivering a therapeutic agent to a target site may include a container for holding a therapeutic agent, a pressure source having pressurized fluid, where the pressure source is in selective fluid communication with at least a portion of the container, a catheter in selective fluid communication with the container and configured for delivery of the therapeutic agent to a target site, a first valve connected between the container and the catheter, a second valve connected between the pressure source and the container, a button configured to selectively actuate the second valve, and a brake assembly coupled to the first valve and configured to selectively permit actuation of the second valve, such that when the first valve is in a first state, the brake assembly blocks the button such that the button does not actuate the second valve.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 19, 2023
    Applicant: Cook Medical Technologies LLC
    Inventors: David Slattery, Inga Rosca, Jack Collins, Jennifer O'Malley, Dillon McCarthy
  • Publication number: 20230017011
    Abstract: Exemplary embodiments of a kamado-style cooker pizza oven conversion device are disclosed. Certain embodiments detachably mount within a kamado-styled cooker such that the lid of the cooker rests at an angle on the top of the device and thereby “closes off” and defines a cooking space within the interior that takes advantage of the pizza oven-like features of a kamado cooker. With an embodiment of the solution installed in a kamado cooker, an open doorway or window is defined for allowing a user to insert a pizza into the cooking space and place the pizza on a pizza stone held by the device. Embodiments allow for cooking to occur simultaneously via conductive, convective and radiant thermal energy transfer.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Applicant: Align Machine Works, LLC
    Inventors: Joseph Pruitt, Jeffrey Broadrick, David Matthew Williams Hemming
  • Publication number: 20230019924
    Abstract: A continuous automated perfusion culture analysis system (CAPCAS) comprises one or more fluidic systems configured to operate large numbers of biodevices in parallel. Each fluidic system comprises an input reservoir plate for receiving media; a biodevice plate comprising an array of biodevices fluidically coupled to the input reservoir plate, configured such that each biodevice has independent media delivery, fluid removal, stirring, and gas control, and each biodevice is capable of continuously receiving the media from the input reservoir plate; and an output plate fluidically coupled to the biodevice plate for real-time analysis and sampling. The operations of the CAPCAS are automated and computer-controlled wirelessly. The CAPCAS can also be used for abiotic and biotic chemical synthesis processes.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Inventors: Ronald S. Reiserer, Gregory B. Gerken, David K. Schaffer, John P. Wikswo
  • Publication number: 20230017569
    Abstract: A semiconductor processing apparatus is disclosed. The apparatus may include, a reaction chamber and a susceptor dispose in the reaction chamber configured for supporting a substrate thereon, the susceptor comprising a plurality of through-holes in an axial direction of the susceptor. The apparatus may also include, a plurality of lift pins, each of the lift pins being disposed within a respective through-hole, and at least one gas transmitting channel comprising one or more gas channel outlets, the one or more gas channel outlets being disposed proximate to the through-holes. Methods for processing a substrate within a reaction chamber are also disclosed.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Inventors: Petri Raisanen, David Marquardt, Thomas Aswad
  • Publication number: 20230014436
    Abstract: A variable guide vane assembly is provided for a turbine defining a core air flowpath. The variable guide vane assembly includes an airfoil band defining a flowpath surface and a cavity. The variable guide vane assembly further includes an airfoil including a first end extending at least partially into the cavity of the airfoil band and an opposite second end, the airfoil extending generally along an axis between the first end and the second end and being moveable generally about the axis relative to the airfoil band. The variable guide vane assembly further includes a sealing element operable to form a seal between the first end of the airfoil and the airfoil band.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Inventors: Alexander Martin Sener, Brian David Keith, David Alan Frey, Jamil Darnell Grant
  • Publication number: 20230018177
    Abstract: A blood filtration system may include blood circuit configured to transmit a fluid within one or more lumens. The system may include an optical sensor configured to couple with the blood circuit. The optical sensor may measure one or more optical characteristics of the fluid in the blood circuit. The one or more optical characteristics may include a first optical characteristic corresponding to a concentration of an imaging substance in the fluid within the blood circuit. The system may include a controller in communication with the optical sensor. The controller may include a sampling module configured to record the one or more optical characteristics. The controller may include a physiological characteristic identification module configured to determine a plasma volume of the patient with the recorded optical characteristics of the imaging substance.
    Type: Application
    Filed: December 31, 2020
    Publication date: January 19, 2023
    Inventors: David Lerner, Franz Willems Ulrich, David J. Haskvitz
  • Publication number: 20230017426
    Abstract: The present disclosure refers to a base assembly of an exterior rear view device. The base assembly is configured to be mounted to a vehicle in a way that moveably supports a head assembly of the exterior rearview device. The base assembly comprises: a camera with a lens, a cleaning system with a nozzle for dispensing cleaning fluid onto the lens, a base frame, a base cover that comprises a plurality of cover pieces, and a camera cradle. The cover pieces provide a first opening for the lens and a second opening for the nozzle. The camera cradle is mounted to the base frame for holding both the camera and the nozzle.
    Type: Application
    Filed: September 7, 2022
    Publication date: January 19, 2023
    Inventors: Callum Scott-Collins, Jakub Spychala, Kane Connor, Graham Rehill, Andrew Lettis, Andreas Herrmann, Arne Schmierer, Simon David Field, Francis Charlet, Steve Horne