Patents by Inventor Kevin J. Friel

Kevin J. Friel 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).

  • Electrical devices comprising conductive polymers
    Patent number: 4882466
    Abstract: An electrical device includes a laiminar resistive element which exhibits PTC behavior and two electrodes which exhibit ZTC behavior. The electrodes have a geometry which results in a resistance that is greater than the resistance of the resistive elements. The electrical device, which may be a heater, can be designed to produce a uniform power distribution over the surface of the device.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: November 21, 1989
    Assignee: Raychem Corporation
    Inventor: Kevin J. Friel
  • Moisture detection
    Patent number: 4862701
    Abstract: A fridge freezer is provided on a cold surface contactable by humid ambient air with a sensor that is able to activate a heater or an alarm etc., on the appearance of condensation.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: September 5, 1989
    Assignee: NV Raychem SA
    Inventors: Michele Small, Kevin J. Friel, Paul A. Meager