Patents by Inventor John David Thomas

John David Thomas 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).

  • PAP SYSTEM BLOWER
    Publication number: 20240125325
    Abstract: A blower includes a housing including an inlet and an outlet, a bearing-housing structure provided to the housing and adapted to rotatably support a rotor, a motor provided to the bearing-housing structure and adapted to drive the rotor, and an impeller provided to the rotor. The bearing-housing structure includes a bearing shaft having a bearing surface that rotatably supports the rotor. The bearing shaft provides only a single bearing of the non-ball bearing type for the rotor.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Samuel Aziz MEBASSER, Peter Jeffrey THOMAS, Roman VINOKUR, Kevin Gene McCULLOH, William S. LANE, Yeu-chuan HSIA, Michael David BEDNAR, John Paul FREESE, Karl Yutaka IWAHASHI, David Brent SEARS, Barton John KENYON, Richard G. KRUM, Par Egron DANNAS, Hiroshi SUZUKI, Malcolm Edward LEADER
  • Debris-free combustible aerial shell
    Patent number: 10267606
    Abstract: A pyrotechnic projectile including an aerial shell, the aerial shell including at least one combustible layer of material; the at least one layer surrounding and containing at least one pyrotechnic effect and a dispersive explosive charge; the at least one combustible layer including a combustible material configured to burn substantially throughout the at least one layer; and wherein the at least one combustible layer is configured to burn through a thickness at a preselected rate to thereby ignite the dispersive explosive charge.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: April 23, 2019
    Assignee: DMD Systems, LLC
    Inventors: Darren Naud, John David Thomas
  • Debris-free Combustible Aerial Shell
    Publication number: 20190063886
    Abstract: A pyrotechnic projectile including an aerial shell, the aerial shell including at least one combustible layer of material; the at least one layer surrounding and containing at least one pyrotechnic effect and a dispersive explosive charge; the at least one combustible layer including a combustible material configured to burn substantially throughout the at least one layer; and wherein the at least one combustible layer is configured to burn through a thickness at a preselected rate to thereby ignite the dispersive explosive charge.
    Type: Application
    Filed: August 24, 2017
    Publication date: February 28, 2019
    Inventors: Darren Naud, John David Thomas
  • Fuel/air concussion apparatus and method
    Patent number: 10139204
    Abstract: A method of producing a concussion device including providing a structure including a cavity, the cavity having a top opening; providing a first energetic charge disposed in a bottom portion of the cavity; providing an elongated member having a length, a width, and a thickness, with the length being greater than both the width and the thickness of the elongated member, the elongated member removably secured to the structure within the cavity and at least partially overlying the first energetic charge.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: November 27, 2018
    Assignee: DMD SYSTEMS LLC
    Inventors: Darren Naud, John David Thomas
  • Fuel/air concussion apparatus and method
    Publication number: 20170292819
    Abstract: A method of producing a concussion device including providing a structure including a cavity, the cavity having a top opening; providing a first energetic charge disposed in a bottom portion of the cavity; providing an elongated member having a length, a width, and a thickness, with the length being greater than both the width and the thickness of the elongated member, the elongated member removably secured to the structure within the cavity and at least partially overlying the first energetic charge.
    Type: Application
    Filed: June 15, 2017
    Publication date: October 12, 2017
    Inventors: Darren Naud, John David Thomas
  • Fuel/air concussion apparatus
    Patent number: 9726466
    Abstract: A concussion device for creating a low level of smoke and a selectively tuned low-toned sound, the device including a structure having a cavity, the cavity having a top opening; a first energetic charge disposed in a bottom portion of the cavity; and a member removably secured to the structure within the cavity and partially overlying the first energetic charge.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: August 8, 2017
    Assignee: DMD Systems, LLC
    Inventors: Darren Naud, John David Thomas
  • Fuel/air concussion apparatus
    Publication number: 20160238360
    Abstract: A concussion device for creating a low level of smoke and a selectively tuned low-toned sound, the device including a structure having a cavity, the cavity having a top opening; a first energetic charge disposed in a bottom portion of the cavity; and a member removably secured to the structure within the cavity and partially overlying the first energetic charge.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 18, 2016
    Inventors: Darren Naud, John David Thomas