Patents by Inventor Colin J Kirk

Colin J Kirk 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).

  • Cleaning lance
    Patent number: 6126089
    Abstract: A cleaning lance provided in which water from an inlet is directed either to an upper, rinsing barrel or to a lower, foamer barrel. The latter is provided with a mixing chamber having an inlet for detergent supplied via a flow control valve. A water jet injected into the mixing chamber via a venturi nozzle draws in and mixes with the detergent and the resulting mixture is ejected by a further venturi nozzle and draws in air from an exterior air inlet to form a jet of cleaning foam.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: October 3, 2000
    Assignee: Deb Ip Limited
    Inventors: Martin Williamson, Colin J Kirk