Patents by Inventor Walter Nilsen

Walter Nilsen 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: 5518353
    Abstract: An arrangement for unloading bulk material (1a) from holds (2a-2e) in a transport vessel (1), comprising a belt conveyor (3a, 3b, 3t) extending in the longitudinal direction of the ship close to the bottom (9) thereof, the belt conveyor supporting inclined, downwardly extending guiding plates (8) on each side of the conveyor (3a, 3b), a scraper unit (10) in each hold (2a, 2e) bringing bulk material (1a) to the area of the belt conveyor (3a, 3b, 3t), and lifting devices (5a, 5b) co-operating with the belt conveyor (3a, 3b, 3t) for lifting the material to a common outfeed device for bringing the material ashore. The belt conveyor (3a, 3b) is arranged between vertical supports (6) which support inclined, downwardly extending guiding plates (8) on each side of the conveyor (3a, 3 b). The scraper unit (10) comprises a bent lower portion (10a, 10b) corresponding substantially to the shape of the guiding plates (8) and the adjoining ship bottom portion (9).
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: May 21, 1996
    Assignee: Walter Nilsen
    Inventors: Jan E. Pettersen, Walter Nilsen
  • Patent number: 5473874
    Abstract: A device for cultivating and harvesting growths (2,41) is disclosed where the growths (2,41) are cultivated in sectioned and/or flexible channels (1) which, when harvesting the growths (2,41) are led, by using a vehicle (4), past working stations (6) associated with the vehicle (4), where channels (1) are conveyed and elevated from the ground and relowered approximately to their starting position in conveying devices (3) running along the vehicle (4). The system is especially suited for harvesting strawberries.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: December 12, 1995
    Assignee: Wani Industrier AS
    Inventor: Walter Nilsen
  • Patent number: 4136499
    Abstract: A method of erecting a building which comprises installing internal, panel-like forms; mounting a metallic reinforcing mesh spaced from said walls and thereafter spraying a concrete or other settable mass onto said formwork and reinforcing mesh to incorporate the form and mesh into a wall with the concrete. In the building of a house, the formwork and reinforcement can be erected as, for example, a foundation or other lower level and thereafter the walls and floors of the upper levels may be disposed upon that form. Only subsequently need the spraying of the concrete onto the reinforcing mesh be completed.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: January 30, 1979
    Inventor: Walter Nilsen
  • Patent number: 4114345
    Abstract: Housing construction by assemblying together extruded wall boards of a width equal to the desired wall height and cut to the appropriate length for each wall. The ceiling structure is then assembled to form a box-like assembly and the doors, windows, etc. are then cut out. The wall panel comprises plastic foam between gypsum boards and is formed with suitable conduits for electrical wire, etc.
    Type: Grant
    Filed: April 8, 1977
    Date of Patent: September 19, 1978
    Assignee: Den Norske Gipsplatefabrikk A/S
    Inventor: Walter Nilsen
  • Patent number: 3964228
    Abstract: The present invention relates to a wall-element comprising a porous central portion, e.g. of synthetic products and stiff outer layers, e.g. of plaster.
    Type: Grant
    Filed: November 22, 1971
    Date of Patent: June 22, 1976
    Assignee: Den Norske Gipsplatefabrikk A/S
    Inventor: Walter Nilsen