Patents by Inventor Peter Alkjaer

Peter Alkjaer 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).

  • Patent number: 4685256
    Abstract: A skirt (7) of finely corrugated sheet of lead is at its top edge assembled in a folded joint with the lower edge of a covering rail (4) mounted on the lower frame portion (3) of a skylight. A plastic and preferably adhesive material strip (8) is incorporated in the joint and is by the pressing together of the joint made to completely fill the corrugations of the skirt edge portion incorporated in the joint to eliminate flatpressing of the corrugations.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: August 11, 1987
    Assignee: V. Kann Rasmussen Industri A/S
    Inventor: Peter Alkjaer