Patents by Inventor Adolf Berg

Adolf Berg 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).

  • Fire-resistant walls for use in shipbuilding
    Patent number: 4027444
    Abstract: Fire-retardant walls composed of construction elements, especially for use in shipbuilding, in which wall plates have each two covering panels. One or several fire-retardant layers are located between the two covering panels. The vertical edges of the covering panels are shaped into profiles and provided with slits for the insertion of hooks located on vertical supports.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: June 7, 1977
    Inventor: Adolf Berg