Patents by Inventor Conrad A. Sumera

Conrad A. Sumera 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).

  • Alignment coupling device for manually connecting an ink supply to an inkjet print cartridge
    Patent number: 6059401
    Abstract: A unitary coupler and method is provided for interconnecting an ink supply with an inkjet printhead. The coupler includes a first set of latching surfaces for attaching the coupler to the printhead; a second set of latching surfaces integral with the coupler for locking engagement with an inlet valve from an off-carriage ink supply; and alignment guides at one end for receiving the inlet valve. In a preferred method the coupler is initially attached to the printhead and subsequently attached to the inlet valve from the ink supply.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: May 9, 2000
    Assignee: Hewlett-Packard Company
    Inventors: Paul S. Wu, Conrad A. Sumera, Andrew R. Robinson