Patents by Inventor David A. Maxwell

David A. Maxwell 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: 20240123174
    Abstract: A respiratory mask can have a frame supporting a sealing arrangement. Various features of the frame and sealing arrangement can improve comfort and reduce the occurrence of pressure sores. The frame can include cheek supports that have a large surface area configured to spread loads over a greater area of the patient's face and therefore reduce the forces applied to the face and the occurrence of point loads. The seal can have a main body that includes a spring with a silicone skin, wherein the spring applies a substantially constant force to the face and/or nares of the patient.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 18, 2024
    Inventors: Andrew Paul Maxwell Salmon, Jonathan David Harwood
  • Publication number: 20240116152
    Abstract: A method of controlling polishing includes polishing a stack of adjacent conductive layers on a substrate, measuring with an in-situ eddy current monitoring system a sequence of characterizing values for the substrate during polishing, calculating a polishing rate from the sequence of characterizing values repeatedly during polishing, calculating one or more adjustments for one or more polishing parameters based on a current polishing rate using a first control algorithm for an initial time period, detecting a change in the polishing rate that indicates exposure of the underlying conductive layer, and calculating one or more adjustments for one or more polishing parameters based on the polishing rate using a different second control algorithm for a subsequent time period after detecting the change in the polishing rate.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 11, 2024
    Inventors: Kun Xu, Harry Q. Lee, Benjamin Cherian, David Maxwell Gage
  • Publication number: 20240099564
    Abstract: An imaging system for use in a patient is provided. The system includes an imaging probe, a rotation assembly, and a retraction assembly. The imaging probe collects image data from a patient site and includes an elongate shaft with a proximal end and a distal portion, with a lumen extending therebetween. A rotatable optical core is positioned within the elongate shaft lumen and an optical assembly is positioned in the elongate shaft distal portion. The optical assembly directs light to tissue at the patient site and collects reflected light from the tissue. The rotation assembly connects to the imaging probe and rotates the optical assembly. The retraction assembly connects to the imaging probe and retracts the optical assembly and the elongate shaft in unison.
    Type: Application
    Filed: May 8, 2023
    Publication date: March 28, 2024
    Inventors: Christopher Petroff, Michael Atlas, Christopher Petersen, Christopher Battles, Jiyuan Yin, Nareak Douk, David W. Kolstad, Giovanni Ughi, Lindsy Peterson, J. Christopher Flaherty, R. Maxwell Flaherty
  • Publication number: 20240095302
    Abstract: Apparatuses, systems, and techniques to perform matrix multiply-accumulate (MMA) operations on data of a first type using one or more MMA instructions for data of a second type. In at least one embodiment, a single tensorfloat-32 (TF32) MMA instruction computes a 32-bit floating point (FP32) output using TF32 input operands converted from FP32 data values.
    Type: Application
    Filed: June 22, 2022
    Publication date: March 21, 2024
    Inventors: Jiqun Tu, David Maxwell Clark
  • Publication number: 20240074486
    Abstract: A melt-blown fabric for pouching smokeless tobacco or a smokeless tobacco substitute can include melt-blown polymer fibers. The fabric can have a basis weight of less than 30 gsm and a tensile strength of at least 4mJ in at least one predetermined direction. Method of making the fabric can include melt-blowing a polymeric material against a support surface and bonding the fibers or arranging them in a predetermined orientation. Pouched smokeless tobacco or tobacco substitute products including the fabrics provided herein can provide desirable flavor and tactile experience.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Applicant: Altria Client Services LLC
    Inventors: Andrew Nathan CARROLL, Shannon Maxwell BLACK, Yan Helen SUN, William J. BURKE, Christopher Joseph DINOVI, David PHILLIPS, Jason Andrew MACKO, Robert SMITH
  • Publication number: 20240014080
    Abstract: A method of polishing a substrate includes polishing a conductive layer on the substrate at a polishing station, monitoring the layer with an in-situ eddy current monitoring system to generate a plurality of measured signals values for a plurality of different locations on the layer, generating thickness measurements the locations, and detecting a polishing endpoint or modifying a polishing parameter based on the thickness measurements. The conductive layer is formed of a first material having a first conductivity. Generating includes calculating initial thickness values based on the plurality of measured signals values and processing the initial thickness values through a neural network that was trained using training data acquired by measuring calibration substrates having a conductive layer formed of a second material having a second conductivity that is lower than the first conductivity to generated adjusted thickness values.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 11, 2024
    Inventors: Kun Xu, Kiran Lall Shrestha, Doyle E. Bennett, David Maxwell Gage, Benjamin Cherian, Jun Qian, Harry Q. Lee
  • Patent number: 11865664
    Abstract: During polishing of a stack of adjacent layers, a plurality of instances of a profile control algorithm are executed on a controller with different instances having different values for a control parameter. A first instance receives a sequence of characterizing values from an in-situ monitoring system during an initial time period to control a polishing parameter, and a second instance receives the sequence of characterizing values during the initial time period and a subsequent time period to control the polishing parameter. Exposure of the underlying layer is detected based on the sequence of characterizing values from the in-situ monitoring system.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: January 9, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Kun Xu, Harry Q. Lee, Benjamin Cherian, David Maxwell Gage
  • Patent number: 11850699
    Abstract: A method of controlling polishing includes polishing a stack of adjacent conductive layers on a substrate, measuring with an in-situ eddy current monitoring system a sequence of characterizing values for the substrate during polishing, calculating a polishing rate from the sequence of characterizing values repeatedly during polishing, calculating one or more adjustments for one or more polishing parameters based on a current polishing rate using a first control algorithm for an initial time period, detecting a change in the polishing rate that indicates exposure of the underlying conductive layer, and calculating one or more adjustments for one or more polishing parameters based on the polishing rate using a different second control algorithm for a subsequent time period after detecting the change in the polishing rate.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 26, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Kun Xu, Harry Q. Lee, Benjamin Cherian, David Maxwell Gage
  • Publication number: 20230355661
    Abstract: The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 9, 2023
    Inventors: Eugene Rex Cooper, David Maxwell Kleinman, Andrew Loxley, Mark A. Mitchnick
  • Patent number: 11791224
    Abstract: A method of polishing a substrate includes polishing a conductive layer on the substrate at a polishing station, monitoring the layer with an in-situ eddy current monitoring system to generate a plurality of measured signals values for a plurality of different locations on the layer, generating thickness measurements the locations, and detecting a polishing endpoint or modifying a polishing parameter based on the thickness measurements. The conductive layer is formed of a first material having a first conductivity. Generating includes calculating initial thickness values based on the plurality of measured signals values and processing the initial thickness values through a neural network that was trained using training data acquired by measuring calibration substrates having a conductive layer formed of a second material having a second conductivity that is lower than the first conductivity to generated adjusted thickness values.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: October 17, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Kun Xu, Kiran Lall Shrestha, Doyle E. Bennett, David Maxwell Gage, Benjamin Cherian, Jun Qian, Harry Q. Lee
  • Patent number: 11780045
    Abstract: A method of chemical mechanical polishing includes bringing a substrate having a conductive layer disposed over a semiconductor wafer into contact with a polishing pad, generating relative motion between the substrate and the polishing pad, monitoring the substrate with an in-situ electromagnetic induction monitoring system as the conductive layer is polished to generate a sequence of signal values that depend on a thickness of the conductive layer, determining a sequence of thickness values for the conductive layer based on the sequence of signal values, and at least partially compensating for a contribution of conductivity of the semiconductor wafer to the signal values.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: October 10, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Wei Lu, David Maxwell Gage, Harry Q. Lee, Kun Xu, Jimin Zhang
  • Publication number: 20230290691
    Abstract: A method of polishing a substrate includes polishing a conductive layer on the substrate at a polishing station, monitoring the layer with an in-situ eddy current monitoring system to generate a plurality of measured signals values for a plurality of different locations on the layer, generating thickness measurements the locations, and detecting a polishing endpoint or modifying a polishing parameter based on the thickness measurements. The conductive layer is formed of a first material having a first conductivity. Generating includes calculating initial thickness values based on the plurality of measured signals values and processing the initial thickness values through a neural network that was trained using training data acquired by measuring calibration substrates having a conductive layer formed of a second material having a second conductivity that is lower than the first conductivity to generated adjusted thickness values.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 14, 2023
    Inventors: Kun Xu, Kiran Lall Shrestha, Doyle E. Bennett, David Maxwell Gage, Benjamin Cherian, Jun Qian, Harry Q. Lee
  • Publication number: 20230201251
    Abstract: Methods for using bioadhesive and stearic interactions specific to copolymers with at least two moieties, to minimize adverse effects mediated by external influences on cell, tissue, organ system, and organism biology. Copolymers have bioadhesive properties driven by electrostatic and hydrophobic interactions and passivation though hydrophilic moieties. These copolymers are useful for reducing rates of viral infectivity in target cells, and in reducing host morbidity. These copolymers are useful for reducing ADC related toxicity including corneal epithelial toxicity. Formulations of these copolymers are safe and well tolerated. Epithelial cells and surfaces including precursor or stem cell corneal epithelial cells are treated with these copolymers to confer utility and benefit.
    Type: Application
    Filed: November 7, 2022
    Publication date: June 29, 2023
    Inventor: David Maxwell Kleinman
  • Patent number: 11658078
    Abstract: A method of polishing a substrate includes polishing a conductive layer on the substrate at a polishing station, monitoring the layer with an in-situ eddy current monitoring system to generate a plurality of measured signals values for a plurality of different locations on the layer, generating thickness measurements the locations, and detecting a polishing endpoint or modifying a polishing parameter based on the thickness measurements. The conductive layer is formed of a first material having a first conductivity. Generating includes calculating initial thickness values based on the plurality of measured signals values and processing the initial thickness values through a neural network that was trained using training data acquired by measuring calibration substrates having a conductive layer formed of a second material having a second conductivity that is lower than the first conductivity to generated adjusted thickness values.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: May 23, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Kun Xu, Kiran Lall Shrestha, Doyle E. Bennett, David Maxwell Gage, Benjamin Cherian, Jun Qian, Harry Q. Lee
  • Patent number: 11385966
    Abstract: A copy procedure detects qualified data objects in a body of source data, and copies the source data to a target storage unit except for unqualified data objects, which are replaced with a prescribed bit pattern. Following completion of the backup, a record is prepared indicating that all data objects exist in the specified target storage, regardless of whether each data object was replaced with a predetermined bit pattern rather than being physically written to the specified target storage. This process may, be repeated in order to perform data reclamation, effectively removing user files no longer qualifying for backup.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: July 12, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: David Maxwell Cannon
  • Publication number: 20220147420
    Abstract: A copy procedure detects qualified data objects in a body of source data, and copies the source data to a target storage unit except for unqualified data objects, which are replaced with a prescribed bit pattern. Following completion of the backup, a record is prepared indicating that all data objects exist in the specified target storage, regardless of whether each data object was replaced with a predetermined bit pattern rather than being physically written to the specified target storage. This process may, be repeated in order to perform data reclamation, effectively removing user files no longer qualifying for backup.
    Type: Application
    Filed: May 21, 2010
    Publication date: May 12, 2022
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: David Maxwell Cannon
  • Patent number: 11295232
    Abstract: A hierarchical extraction model for a label hierarchy may be implemented by a weighted hierarchical state machine whose structure and/or weights are determined in part from a statistical distribution of label sequences as determined from training data. In accordance with various embodiments, the hierarchical state machine includes one or more non-cyclic directed chains of states representing at least a subset of the label sequences, and transitions weighted based at least in part on the statistical distribution.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 5, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: David Maxwell Chickering
  • Publication number: 20220023334
    Abstract: The invention contemplates a copolymer which is a graft or block copolymer useful to change the ocular surface temperature and other characteristics of biological or contact lens surfaces. Methods for use of these formulations and coatings to increase the temperature of the skin, mucous membranes, eye or eyelids will help treat many conditions including blepharitis and non-healing ulcers. Methods to decrease evaporation, improve wettability and stabilize the tear film, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to improve contact lens tolerability, are provided.
    Type: Application
    Filed: October 5, 2021
    Publication date: January 27, 2022
    Inventors: Eugene Rex Cooper, David Maxwell Kleinman, Andrew Loxley, Mark Mitchnick
  • Publication number: 20210393672
    Abstract: The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided.
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Inventors: Eugene Rex Cooper, David Maxwell Kleinman, Andrew Loxley, Mark A. Mitchnick
  • Publication number: 20210379723
    Abstract: A method of compensating for a contribution of conductivity of the semiconductor wafer to a measured trace by an in-situ electromagnetic induction monitoring system includes storing or generating a modified reference trace. The modified reference trace represents measurements of a bare doped reference semiconductor wafer by an in-situ electromagnetic induction monitoring system as modified by a neutral network. The substrate is monitored with an in-situ electromagnetic induction monitoring system to generate a measured trace that depends on a thickness of the conductive layer, and at least a portion of the measured trace is applied to a neural network to generate a modified measured trace. An adjusted trace is generated, including subtracting the modified reference trace from the modified measured trace.
    Type: Application
    Filed: September 26, 2018
    Publication date: December 9, 2021
    Inventors: Kun Xu, David Maxwell Gage, Harry Q. Lee, Denis Anatolyevich Ivanov, Hassan G. Iravani, Doyle E. Bennett, Kiran Lall Shrestha