Patents by Inventor Dugal Campbell

Dugal Campbell 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).

  • A FLOW CONTROL DEVICE FOR A REFRIGERATED DISPLAY CASE AND A REFRIGERATED DISPLAY CASE
    Publication number: 20220361689
    Abstract: A flow control device for controlling an air curtain formed across a display area of a refrigerated display case, the flow control device comprising: a stabilizing beam comprising an elongate outer cover and a carrier; wherein the outer cover forms a continuous boundary which defines a cavity extending along the length of the outer cover; wherein the carrier is slidably received within the cavity along the length of the outer cover; wherein the carrier is provided with a light source and wherein at least a portion of the outer cover is transparent or translucent such that light emitted by the light source is emitted from the outer cover to provide illumination.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 17, 2022
    Applicants: Wirth Research Limited, Light Energy Australia Pty Ltd
    Inventors: Nicholas WIRTH, Dugal Campbell