Patents by Inventor David Chazan

David Chazan 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).

  • Method of providing a protective covering over a substrate
    Patent number: 4548662
    Abstract: Laminar heaters comprise a laminar heating element sandwiched between two laminar electrodes having substantial electrical resistance along the thickness thereof. The heater has a heating area of irregular shape, and at least one of the electrodes extends over a connection area in which heat is not generated but which provides a shorter and/or more uniform current path to the heat-generating parts of the heater.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: October 22, 1985
    Assignee: Raychem Corporation
    Inventors: David Chazan, Michael J. Katila
  • Laminar electrical heaters
    Patent number: 4517449
    Abstract: Laminar heaters comprise a laminar heating element sandwiched between two laminar electrodes having substantial electrical resistance along the thickness thereof. The heater has a heating area of irregular shape, and at least one of the electrodes extends over a connection area in which heat is not generated but which provides a shorter and/or more uniform current path to the heat-generating parts of the heater.
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: May 14, 1985
    Assignee: Raychem Corporation
    Inventors: David Chazan, Michael J. Katila