Patents by Inventor Gordon M. Bragg

Gordon M. Bragg 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).

  • Vortex valve flow controller in VAV systems
    Patent number: 4817863
    Abstract: In variable air volume systems of buildings, a vortex valve is used for varying the volume of the air moving through the system.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: April 4, 1989
    Assignee: Honeywell Limited-Honeywell Limitee
    Inventors: Gordon M. Bragg, Richard G. Carothers, Kenneth A. MacLeod, Marvin D. Nelson