Patents by Inventor David CAYLL

David CAYLL 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).

  • GRAPHENE TRANSDUCERS
    Publication number: 20220417669
    Abstract: The present application relates to graphene-based transducing devices, including micromechanical ultrasonic transducers and electret transducers. A micromachined ultrasonic transducer comprising: a backing layer, a spacer layer, and a diaphragm comprising a material selected from the group consisting of graphene, h-BN, MoS2, and combinations thereof, wherein the backing layer comprises a first etched semiconductor, glass, or polymer, wherein the spacer layer comprises a second etched semiconductor, glass, or polymer.
    Type: Application
    Filed: November 24, 2020
    Publication date: December 29, 2022
    Inventors: Burt FOWLER, David CAYLL, YuanJun FAN, James Wyatt ECKSTROM, Lorance WILSON
  • Graphene microelectromechanical system (MEMS) resonant gas sensor
    Patent number: 11228294
    Abstract: A method of manufacturing a nanoelectromechanical resonator allows for uniform tuning of a resonant frequency. The nanoelectromechanical resonator can be mass produced and used to sense the presence of a selected gas.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: January 18, 2022
    Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    Inventors: Michael Cullinan, Joon-Hyung Cho, David Cayll, Ian Seth Ladner
  • GRAPHENE MICROELECTROMECHANICAL SYSTEM (MEMS) RESONANT GAS SENSOR
    Publication number: 20200244243
    Abstract: A method of manufacturing a nanoelectromechanical resonator allows for uniform tuning of a resonant frequency. The nanoelectromechanical resonator can be mass produced and used to sense the presence of a selected gas.
    Type: Application
    Filed: September 26, 2018
    Publication date: July 30, 2020
    Inventors: Michael CULLINAN, Joon-Hyung CHO, David CAYLL, Ian LADNER