Patents by Inventor Jan Henrik Needt

Jan Henrik Needt 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: 3934747
    Abstract: A container, particularly for liquids, consisting of at least two coaxial parts manufactured from synthetic material, wherein each part has a ring which is concentrically connected with the peripheral edge thereof. In the two interconnected parts, both the end edges concerned and the facing edges of the rings are interconnected.
    Type: Grant
    Filed: September 6, 1974
    Date of Patent: January 27, 1976
    Assignee: Wiva N.V.
    Inventor: Jan Henrik Needt