Patents by Inventor David H. Rummel

David H. Rummel 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).

  • Two-stage premixed combustor
    Patent number: 3946553
    Abstract: A two-stage premix combustor in which the primary flow flameholder and secondary flow flameholders are axially separated and each is arranged for optimum emissions control, with the fuel injected, atomized and at least partially vaporized external to the burning zone.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: March 30, 1976
    Assignee: United Technologies Corporation
    Inventors: Richard Roberts, Alexander Vranos, Barry C. Schlein, David H. Rummel