Patents by Inventor Timothy Tyler Marquis

Timothy Tyler Marquis 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: 6776187
    Abstract: A female coupler for use as a fluid connector having an exterior portion, an interior portion, a poppet valve and a piston. The exterior portion has an internal bore with an open forward end adapted to receive a male coupler, a flow port for supplying pressurized fluid to the internal bore, an internal surface with at least one groove and at least one outlet passage through the exterior portion fluidly communicating with the at least one groove. The interior portion has a main cavity and an internal valve seat and is disposed within the housing bore and axially movable within the exterior portion from a first position, in which fluid is sealed within the female coupler, to a second position in which fluid can exit the female coupler. The poppet valve is slidably received within the interior portion and spring-biased forwardly against the valve seat to normally prevent fluid flow through the interior portion.
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: August 17, 2004
    Assignee: Parker-Hannifin Corporation
    Inventors: Timothy Tyler Marquis, Ojars Maldavs