Patents by Inventor Martin Antony Parsons

Martin Antony Parsons 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).

  • Valves
    Publication number: 20150122236
    Abstract: A valve suitable for use as an exhaust gas recirculation valve in an engine includes a valve housing defining an interior space, a valve stem and a valve member, which may be a poppet, mounted on said valve stem. The valve member is arranged to move between open and closed positions. The valve further includes a mounting member, which may be a bush, located in the interior space, with said valve stem supported within the mounting member. The valve member includes a deflector to direct fluid away from the mounting member when the valve member is in an open position.
    Type: Application
    Filed: April 22, 2013
    Publication date: May 7, 2015
    Applicant: PERKINS ENGINES COMPANY LIMITED
    Inventors: Paul Wilkinson, Jean-Yves Tillier, Martin Antony Parsons