Patents by Inventor Robert E. Stiffler

Robert E. Stiffler 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).

  • Combination metal and plastic EMI shield
    Patent number: 7326862
    Abstract: An EMI shield having at least one compartment for enclosing circuitry of an electronic device. The shield includes a first member formed of a thin metal sheet, and a second member formed of an electrically-conductive composite material comprising an admixture of a plastic or other polymeric component and an electrically-conductive particulate filler component. The second member is integrally joined to the first member, and has at least one wall which extends from the first member and which together with the first member defines at least a portion of the compartment.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: February 5, 2008
    Assignee: Parker-Hannifin Corporation
    Inventors: William G. Lionetta, Louis M. Yantosca, Jr., Daniel S. Ventura, Robert E. Stiffler, David C. Rich
  • Composite EMI shield
    Patent number: 7005573
    Abstract: An EMI shield having at least one compartment for enclosing circuitry of an electronic device. The shield includes a first member formed of a first material such as a thin metal sheet or screen, or a metal-plated fabric or other electrically-conductive mesh, and a second member formed of a second material different than the first material which second material is an admixture of a plastic or other polymeric component and an electrically-conductive particulate filler component. The second member is integrally joined to the first member, and has at least one wall which extends from the first member and which together with the first member defines at least a portion of the compartment.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: February 28, 2006
    Assignee: Parker-Hannifin Corporation
    Inventors: William G. Lionetta, Louis M. Yantosca, Jr., Daniel S. Ventura, Christopher L. Severance, Douglas Nobbs, Robert E. Stiffler, David C. Rich
  • Composite EMI shield
    Publication number: 20040172502
    Abstract: An EMI shield having at least one compartment for enclosing circuitry of an electronic device. The shield includes a first member formed of a first material such as a thin metal sheet or screen, or a metal-plated fabric or other electrically-conductive mesh, and a second member formed of a second material different than the first material which second material is an admixture of a plastic or other polymeric component and an electrically-conductive particulate filler component. The second member is integrally joined to the first member, and has at least one wall which extends from the first member and which together with the first member defines at least a portion of the compartment.
    Type: Application
    Filed: February 12, 2004
    Publication date: September 2, 2004
    Inventors: William G. Lionetta, Louis M. Yantosca, Daniel S. Ventura, Christopher L. Severance, Douglas Nobbs, Robert E. Stiffler, David C. Rich
  • Combination metal and plastic EMI shield
    Publication number: 20040165369
    Abstract: An EMI shield having at least one compartment for enclosing circuitry of an electronic device. The shield includes a first member formed of a thin metal sheet, and a second member formed of an electrically-conductive composite material comprising an admixture of a plastic or other polymeric component and an electrically-conductive particulate filler component. The second member is integrally joined to the first member, and has at least one wall which extends from the first member and which together with the first member defines at least a portion of the compartment.
    Type: Application
    Filed: January 26, 2004
    Publication date: August 26, 2004
    Inventors: William G. Lionetta, Louis M. Yantosca, Daniel S. Ventura, Robert E. Stiffler, David C. Rich