Patents by Inventor Nigel Clarence

Nigel Clarence 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).

  • Pump Insert And Assembly
    Publication number: 20070201977
    Abstract: A pump insert (128) has an inner surface which in use defines a portion of a volute (124) of a pump (110) wherein said pump insert (128) is adapted to be coupled with a pump casing (116) by an inter-engaging profiled coupling arrangement (166). In one disclosed embodiment the pump insert (128) is adapted to engage a pump casing closure plate (148) which is locatable about a pump shaft (112) and between the pump inert (148) and the pump casing (110).
    Type: Application
    Filed: November 11, 2004
    Publication date: August 30, 2007
    Inventors: Nigel Clarence, Richard Collings, Ian Wells