Patents by Inventor Wolfgang Gruhl

Wolfgang Gruhl 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).

  • Fiber-reinforced laminates and method for making them
    Patent number: 4934581
    Abstract: A fiber reinforced metal laminate and method of preparation. The metal layers are of aluminum or aluminum alloy. An aluminum containing solder layer is disposed on inner surfaces of the metal layers. The fibers are silicone-carbide, boron or silicon-carbide coated boron and located between the solder layers. These layers are heated under pressure to a temperature above the melting point of the solder and below the melting point of the metal layer.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: June 19, 1990
    Assignee: Vereingte Aluminium-Werke
    Inventors: Gerhard Ibe, Wolfgang Gruhl
  • Fiber-reinforced laminates and method for making them
    Patent number: 4753850
    Abstract: A fiber reinforced metal laminate and method of preparation. The metal layers are of aluminum or aluminum alloy. An aluminum containing solder layer is disposed on inner surfaces of the metal layers. The fibers are silicone-carbide, boron or silicon-carbide coated boron and located between the solder layers. These layers are heated under pressure to a temperature above the melting point of the solder and below the melting point of the metal layer.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: June 28, 1988
    Assignee: Vereingte Aluminium -Werke A.G.
    Inventors: Gerhard Ibe, Wolfgang Gruhl