Patents by Inventor Sigurd S. Hansen

Sigurd S. Hansen 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).

  • Ribbed tick with insulating filler
    Patent number: 4230756
    Abstract: A ribbed tick comprising a top sheet and a bottom sheet connected at their edges and at least one ribbon-shaped partition wall connected to the inner sides of the top and bottom sheets by welded seams extending along the longitudinal edges of the partition wall.A method of preparing a ribbed tick comprising the steps of placing a ribbon having tapes of a thermoplastic film material located at its longitudinal edges between a top sheet and a bottom sheet material, heating the tapes to melt the thermoplastic film material and to bond the ribbon to the top and bottom sheet materials and connecting the top and bottom sheet materials to form a ribbed tick having ducts for a stuffing material.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: October 28, 1980
    Assignee: Nordish Fjerfabrik Aktieselskab
    Inventor: Sigurd S. Hansen
  • Ribbed tick and method of preparing said ribbed tick
    Patent number: 4137111
    Abstract: A ribbed tick comprising a top sheet and a bottom sheet connected at their edges and at least one ribbon-shaped partition wall connected to the inner sides of the top and bottom sheets by welded seams extending along the longitudinal edges of said partition wall.A method of preparing a ribbed tick comprising the steps of placing a ribbon having tapes of a thermoplastic film material located at its longitudinal edges between a top sheet and a bottom sheet material, heating said tapes to melt said thermoplastic film material and to bond the ribbon to said top and bottom sheet materials and connecting said top and bottom sheet materials to form a ribbed tick having ducts for a stuffing material.
    Type: Grant
    Filed: October 9, 1974
    Date of Patent: January 30, 1979
    Assignee: Nordisk Fjerfabrik Aktieselskab
    Inventor: Sigurd S. Hansen