Patents by Inventor Christopher Hadre

Christopher Hadre 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).

  • Patent number: 7373930
    Abstract: A multi-port check-valve for a fuel vapor emissions system coupled to an intake manifold of an internal combustion engine with forced induction and of the type including a purge canister and a purge valve, comprising a first port coupled to the purge valve, a second port in fluid communication with the first port and having a first check-valve with a fixed orifice arranged to open in response to engine vacuum, and bleed intake manifold boost pressure.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: May 20, 2008
    Assignee: Chrysler LLC
    Inventor: Christopher Hadre