Patents by Inventor Thomas Stankiewicz

Thomas Stankiewicz 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).

  • Polyvinyl chloride-free plastisol and its use
    Patent number: 5155154
    Abstract: A polyvinyl chloride-free plastisol comprisesa) 5 to 50% by weight of a methyl methacrylate-homopolymer or coplymerb) 10 to 50% by weight of a plasticiser,c) 20 to 70% by weight of a fillerd) 2 to 30% by weight of a blocked poly isocyanate, ande) 0.2 to 5% by weight of a polyamine. The plastisol is particularly useful for sealing spot welded joints in, for example, motor vehicle manufacture.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: October 13, 1992
    Assignee: Dr. Alois Stankiewicz GmbH
    Inventors: Karl-Heinz Krummel, Ernst Lohmar, Thomas Stankiewicz
  • Interior noise reduction in motor vehicles
    Patent number: 5000483
    Abstract: Viscoelastic plastics materials having a dynamic elasticity modulus of 10.sup.7 to 10.sup.10 Nm.sup.-2 and a loss factor of at least 5 are used for the manufacture of motor vehicle parts, such as wheel housing parts, instrument panels, and door panels, in order to reduce interior noise.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: March 19, 1991
    Assignee: Dr. Alois Stankiewicz GmbH
    Inventors: Ehrenfried Blumel, Heinemann Gahlau, Manfred Hoffmann, Klaus Wittenmayer, Thomas Stankiewicz, Christoph Kittel
  • Interior noise reduction in motor vehicles
    Patent number: 4663381
    Abstract: Viscoelastic plastics materials having a dynamic elasticity modulus of 10.sup.7 to 10.sup.10 Nm.sup.-2 and a loss factor of at least 5 are used for the manufacture of motor vehicle parts, such as wheel housing parts, instrument panels, and door panels, in order to reduce interior noise.
    Type: Grant
    Filed: November 27, 1984
    Date of Patent: May 5, 1987
    Assignee: Dr. Alois Stankiewicz GmbH
    Inventors: Ehrenfried Blumel, Heinemann Gahlau, Manfred Hoffmann, Klaus Wittenmayer, Thomas Stankiewicz, Christoph Kittel