Patents by Inventor Jan Edward Tilley

Jan Edward Tilley 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).

  • NON-RETURN VALVE
    Publication number: 20120152378
    Abstract: A non-return valve mechanism comprises a tubular member (1) having a substantially constant external diameter whereby the tubular member can be inserted into a pipe (5) from an open end thereof. A pivotable closure member (9) is provided at one end of the tubular member for closing the end of the tubular member, the closure member being adapted to be positioned externally of the pipe. At least one seal (3) extends around the external periphery of the tubular member for sealing with an internal surface of the pipe into which the tubular member is inserted.
    Type: Application
    Filed: July 26, 2010
    Publication date: June 21, 2012
    Inventors: Peter Richard Mooney, Jan Edward Tilley