Patents by Inventor Trevor W. B. Swan

Trevor W. B. Swan 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).

  • Spray nozzle apparatus and method
    Patent number: 7584908
    Abstract: Spray nozzle apparatus and method. The apparatus can include a body, a spray orifice, a filter, and an insert. The body can have a spray outlet portion. The spray outlet portion can terminate in a spherical dome. The spray orifice can be included in the spray outlet portion and positioned before the spherical dome in a flow path. The spray orifice can be substantially V-shaped. The insert can be positioned at least partially in the spray outlet portion and can include an entry shaft having a substantially rectangular cross section and at least one projection.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: September 8, 2009
    Assignee: Sta-Rite Industries, LLC
    Inventors: Trevor W. B. Swan, Simon J. Waddelow, Mark Mohr
  • Spray nozzle holder containing two valves for flow control
    Patent number: 5441203
    Abstract: A spray nozzle holder (1) has an inlet (12) through which liquid to be sprayed is admitted and an outlet (14) for passing liquid to a nozzle tip attached in use to the holder. A check valve (50,51,52) is positioned between the inlet (12) and the outlet (14) for preventing liquid flow when the liquid pressure is below a predetermined level. A further valve (20,23,24,26) is provided to prevent liquid flow to the outlet (14) during removal or maintenance of the check valve (50,51,52).
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: August 15, 1995
    Assignee: Lurmark Limited
    Inventors: Trevor W. B. Swan, John A. B. Castell