Patents by Inventor Jean Dupin

Jean Dupin 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).

  • Method for casting a rocker arm for an internal combustion engine and mould structure for carrying out the casting method
    Patent number: 4905751
    Abstract: The present invention concerns essentially a method for moulding a rocker arm for an internal combustion engine and the mould structure for carrying out this method, which mould structure comprises a device for maintainiing a ceramic reinforcing element of the arm of the rocker arm co-operating with the cam of a camshaft and comprising a spindle-forming part disposed on the end of the reinforcing element and a pusher-forming assembly located above the spindle-forminig part to forcibly urge the latter against the reinforcing element.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: March 6, 1990
    Assignees: Automobiles Peugeot, Automobiles Citroen
    Inventor: Jean Dupin