Patents by Inventor David Fetzer

David Fetzer 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).

  • Patent number: 11975864
    Abstract: A shield system for an unmanned arial vehicle (AUV) is provided. The shield system includes inner shield members rigidly mounted to at least the rotor arms of the AUV and outer shield members shock mounted to the inner shield members. The shield system defines opening for sensors, payload or mechanical portions of the UAV.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: May 7, 2024
    Assignee: Espheric, LLC
    Inventors: David Thomas Hartkop, Jon Fetzer
  • Patent number: 10288596
    Abstract: A kit and method for manufacturing a reference standard for a water detection unit includes a substrate and a tray configured to receive the substrate therein. A tank is configured to receive at least one of the trays therein, wherein a fluorescent solution comprising water and uranine is provided to the tank via an inlet. The solution rises within the tank to saturate the substrate. The trays are then placed in a rotatable rack wherein the substrates are dried to remove excess solution. The dried substrates are then hermetically sealed within a transparent envelope.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: May 14, 2019
    Assignee: GAMMON TECHNICAL PRODUCTS, INC.
    Inventors: James H. Gammon, Michael Leggiero, David Fetzer
  • Publication number: 20170138854
    Abstract: A kit and method for manufacturing a reference standard for a water detection unit includes a substrate and a tray configured to receive the substrate therein. A tank is configured to receive at least one of the trays therein, wherein a fluorescent solution comprising water and uranine is provided to the tank via an inlet. The solution rises within the tank to saturate the substrate. The trays are then placed in a rotatable rack wherein the substrates are dried to remove excess solution. The dried substrates are then hermetically sealed within a transparent envelope.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 18, 2017
    Inventors: James H. Gammon, Michael Leggiero, David Fetzer