Patents by Inventor Andrew Stiles

Andrew Stiles 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 assembly
    Publication number: 20050232784
    Abstract: A pump assembly comprises first and second gear pumps (10, 13), each of which has a respective driver gear (11, 14) and a respective driven gear (12, 15), wherein the driven gear (12) of the first gear pump (10) is arranged to drive the driver gear (14) of the second gear pump (13).
    Type: Application
    Filed: April 18, 2005
    Publication date: October 20, 2005
    Inventors: Martin Yates, Andrew Stiles, Blair Geoffrey Ramsay