Patents by Inventor John Arthur Fulmer

John Arthur Fulmer 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: 4106890
    Abstract: An impeller comprising a pair of axially adjacent plate members. Each of the plate members is formed with a hub and a plurality of laterally spaced segments extending outwardly from the hub. The plate members are coaxially mounted on a burner nozzle guide tube, with the plate member nearest the nozzle outlet being fixed to the guide tube and the other plate member being rotatable about its central axis to regulate the free flow area between segments.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: August 15, 1978
    Assignee: The Babcock & Wilcox Company
    Inventors: John Arthur Fulmer, David Judson Walker