Patents by Inventor David W. Uken

David W. Uken 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).

  • Environmental sealing
    Patent number: 5229058
    Abstract: Environmental sealing may be achieved by extruding a sealing material having a cone penetration value preferably from 100-350 (10-1 mm) and an ultimate elongation of at least 100% from a material-dispensing gun, having means for example a mesh, for causing the material to be mechanically deformed preferably by shear and preferably causing it to be comminuted.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: July 20, 1993
    Assignee: Raychem Corporation
    Inventors: David W. Uken, Paul G. Schoenstein, Geary Camin