Patents by Inventor John A. Compton

John A. Compton 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: 6814430
    Abstract: A fluid controlling apparatus having a multi-layer structure that includes a top layer having a yield strength of less than about 500 megapascals, a middle layer having a yield strength of greater than about 1000 megapascals, and a bottom layer having a yield strength of less than about 500 megapascals.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: November 9, 2004
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Julie J. Cox, John A. Compton
  • Publication number: 20030231228
    Abstract: A fluid controlling apparatus having a multi-layer structure that includes a top layer having a yield strength of less than about 500 megapascals, a middle layer having a yield strength of greater than about 1000 megapascals, and a bottom layer having a yield strength of less than about 500 megapascals.
    Type: Application
    Filed: May 21, 2003
    Publication date: December 18, 2003
    Inventors: Julie J. Cox, John A. Compton
  • Patent number: 6607264
    Abstract: A fluid controlling apparatus having a multi-layer structure that includes a top layer having a yield strength of less than about 500 megapascals, a middle layer having a yield strength of greater than about 1000 megapascals, and a bottom layer having a yield strength of less than about 500 megapascals.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: August 19, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Julie J. Cox, John A. Compton