Patents by Inventor Greg Petrie Pe

Greg Petrie Pe 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).

  • Publication number: 20070092385
    Abstract: A double diaphragm pump including a dual spool valve actuator. A set of piston/diaphragm assemblies can be coupled to a pilot spool valve, which can direct air flow to a main spool valve. The main spool valve can direct air flow to pump chambers. Components of the pump can be manufactured by injection molding and press-fit together. The pump can include lens-shaped ports and positive-return poppet valves.
    Type: Application
    Filed: October 20, 2005
    Publication date: April 26, 2007
    Inventor: Greg Petrie Pe