Patents by Inventor Sigurdur Johannsson

Sigurdur Johannsson 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: 5310073
    Abstract: A freezing container has three plastic molded parts: a box, a cover and a hatch lid. All three parts are preferably rotationally molded, double wall insulated components. The box is preferably about 40 cubic feet (1.13 m.sup.3) in volume and has an internal fluted surface to promote circulation of refrigerated air. The cover is completely removable from the box and has a front hatch providing access to the box and a rear opening for attachment of a refrigerating unit. The cover is releasably attached to the box, preferably by means of elastomeric straps which extend from the cover rim to engagement pins on the outside of the box. Forklift loops are provided atop the cover and beneath the box to facilitate manipulation of the container.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: May 10, 1994
    Assignee: Dynoplast Ltd.
    Inventor: Sigurdur Johannsson
  • Patent number: D448471
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: September 25, 2001
    Assignee: Jonas i. hvalnum
    Inventor: Gudmundur Sigurdur Johannsson