Patents by Inventor Daniel L. Carroll

Daniel L. Carroll 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).

  • Foam generating aspirating nozzle
    Patent number: 5058809
    Abstract: A foam generating nozzle and method of producing a high quality foam at high flowrates includes introducing a liquid foam producing agent to one end of an elongate passage in a nozzle body, introducing air to the flowing liquid in the elongate passage by aspirating the air through radially extending gas inlet passages having a first width adjacent the elongated passage and a second width greater than the first width adjacent the exterior of the body, and discharging the foam from the nozzle body.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: October 22, 1991
    Assignee: Delavan Inc.
    Inventors: Daniel L. Carroll, Timothy C. Shannon