Patents by Inventor Hans G. Lundberg

Hans G. Lundberg 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).

  • Assembly for treating vessel hulls
    Patent number: 4372242
    Abstract: An assembly for cleaning ships' hulls of such marine growth as seaweed, shell etc. is disclosed. The assembly has a frame with rotating brushes, the frame being reciprocally pivotal over the hull in an arcuate direction by being connected to one end of an arm or the like. The other end of the arm is pivotally connected to a joint which forms a stationary point for the assembly.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: February 8, 1983
    Assignee: Marinkonsult Hans Lundberg AG
    Inventor: Hans G. Lundberg
  • Method and apparatus in the treatment of underwater surfaces of fixed or floating constructions
    Patent number: 4314521
    Abstract: The disclosure relates to a method and apparatus for treating, primarily cleaning, underwater surfaces of fixed or floating constructions for example, ships' hulls. In the method according to the invention, the treatment or cleaning device, which is rotatably driven by a motor, is wholly or partially insulated from the surrounding water by a medium which is fed to the vicinity of the device. The apparatus according to the invention includes a channel and a connection for supplying the insulating medium in the vicinity of the cleaning device.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: February 9, 1982
    Assignee: Trelleborg Marin Aktiebolag
    Inventor: Hans G. Lundberg
  • Assembly for treating vessel hulls
    Patent number: 4279212
    Abstract: An assembly for cleaning ships' hulls of such marine growth as seaweed, shell etc. is disclosed. The assembly has a frame with rotating brushes, the frame being reciprocally pivotal over the hull in an arcuate direction by being connected to one end of an arm or the like. The other end of the arm is pivotally connected to a joint which forms a stationary point for the assembly.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: July 21, 1981
    Assignee: Marinkonsult Hans Lundberg AB
    Inventor: Hans G. Lundberg