Patents by Inventor John Severinsen

John Severinsen 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: 4065138
    Abstract: A gasket for shielding against electromagnetic interference made from a metal mesh strip having a fin is disclosed. The fin is embedded in a layer of thin flexible material and the layer has a ribbon of thin flexible material affixed to either one or both sides. In the preferred form of the invention, the fin is embedded in a layer of soft plastic material and the layer has a ribbon of semi-rigid plastic material affixed to one or both sides. This invention also relates to a method and apparatus for making this gasket.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: December 27, 1977
    Assignee: Metex Corporation
    Inventor: John Severinsen
  • Patent number: 4037009
    Abstract: An electromagnetic shielding element comprising a moldable elastomer containing a particulate conductive filler and at least one layer of knitted wire mesh in said elastomer. The filler is preferably a precious metal, especially silver, and its preferred form is as a coating on copper or glass. The element may be composed of a plurality of layers of knitted mesh embedded in the elastomer and the directions of extension of the loops in the layers are at angles to one another. The element is useful as a combination gasket and electromagnetic shield.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: July 19, 1977
    Assignee: Metex Corporation
    Inventor: John Severinsen