Patents by Inventor Daniel ELFORD

Daniel ELFORD 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 attenuator
    Patent number: 10699688
    Abstract: The invention provides an acoustic attenuator comprising: a body defining a cavity therein and having at least one open aperture in fluid communication with the cavity; and opposing first and second walls, the second wall being substantially parallel to the first wall, the body comprising at least one of the first and second walls, wherein the aperture and the cavity at least partly define a resonant frequency band across which the body attenuates incident acoustic waves, and wherein the first and second walls are separated by a gap.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: June 30, 2020
    Assignee: SONOBEX LIMITED
    Inventors: Daniel Elford, Luke Chalmers, Richard Wilson
  • ACOUSTIC ATTENUATOR
    Publication number: 20170263235
    Abstract: The invention provides an acoustic attenuator comprising: a body defining a cavity therein and having at least one open aperture in fluid communication with the cavity; and opposing first and second walls, the second wall being substantially parallel to the first wall, the body comprising at least one of the first and second walls, wherein the aperture and the cavity at least partly define a resonant frequency band across which the body attenuates incident acoustic waves, and wherein the first and second walls are separated by a gap.
    Type: Application
    Filed: March 23, 2015
    Publication date: September 14, 2017
    Inventors: Daniel ELFORD, Luke CHALMERS, Richard WILSON
  • Anti-sound barriers
    Patent number: D829350
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: September 25, 2018
    Assignee: SONOBEX LIMITED
    Inventor: Daniel Elford