Patents by Inventor Greta Grace Hadford

Greta Grace Hadford 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).

  • Acoustic Air Duct for Environmental Control System in Vehicle
    Publication number: 20240132218
    Abstract: Apparatuses, systems, and methods comprising acoustically absorptive air ducts comprising an internally positioned structure component as an endoskeleton and an air impervious inner layer, and an acoustically absorptive foam outer layer, environmental control systems comprising such air ducts, and vehicles incorporating such environmental control systems are disclosed with methods for manufacture and installations are disclosed.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 25, 2024
    Inventors: Rachel Ann Bires, Douglas Dean Maben, Christopher Edward Plass, Mark Michael Gmerek, David William Olson, Sonny Keever Nguyen, James Julius Koch, Greta Grace Hadford, Bryce Avery Van Dyke, Xin Han