Patents by Inventor Jan Widman

Jan Widman 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).

  • Metal covered cellular PVC
    Patent number: 4482589
    Abstract: Self carrying platform of the sandwich type forming a closed goods accommodating space, preferably for refrigerator/freezer trailers, comprising a core (15) and surface layers (16) laminated thereto. The surface layers consist of metal plates and the core of a constructional cellular plastics on PVC-basis. At least one mounting plate (17) for a wheel shaft arrangement/demountable body framing is adhesively attached to the core.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: November 13, 1984
    Assignee: Additainer AB
    Inventor: Jan Widman