Patents by Inventor Svein Nordtvedt

Svein Nordtvedt 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: 5806624
    Abstract: The escape system comprises a series of wall openings along a building wall and a stocking of mesh cloth material extending along the wall. The stocking has a series of access openings to the interior of the stocking and a series of annular bracing rings for bracing the stocking. Each bracing ring is braced against the building wall by a bridge-like connection between an access opening in the stocking and an associated opening in the building wall.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: September 15, 1998
    Inventor: Svein Nordtvedt
  • Patent number: 4595074
    Abstract: Stocking-like escape device comprising a stocking of canvas material or similar material. The stocking which preferably is made of netting permitting the through passage of wind, is with axial intervals provided with an annular reinforcing element for stretching out the stocking. The stocking is connected to two or more axially extending lines which are connected to the reinforcing elements and preferably to each reinforcing element on diametrically opposite sides thereof.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: June 17, 1986
    Assignee: Bergen Patentkontor
    Inventor: Svein Nordtvedt
  • Patent number: 4274184
    Abstract: Mesh distribution wheel for handling seine lines or like net materials. The wheel is provided with a series of pins directed radially outwards which are adapted to engage respective meshes in a series of meshes in the seine line or like materials. The pins are arranged in series with a mutual pitch corresponding to the number of divisions of the series of meshes at a definite degree of mesh inlay. At any rate when regarded in the one lateral direction, the pins have a saw-toothed course from foot portion to outer portion. Adjacent their root portions, each pin has a definite cross-section or one defined together with a neighboring pin which corresponds to the area of a mesh opening in a mesh having a definite mesh size and definite mesh form.
    Type: Grant
    Filed: October 11, 1978
    Date of Patent: June 23, 1981
    Inventor: Svein Nordtvedt