Patents by Inventor Marc Frans Mertens

Marc Frans Mertens 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).

  • Metallic container and method for making the same
    Patent number: 4089283
    Abstract: The cover for a metal container has a first quantity of sealing material applied to an extent of its flange and the flange is pre-curled. The cover is assembled with a drum with the first quantity sealing material juxtaposed with a flange of the drum. The drum and cover flanges are wound jointly with a second quantity of sealing material continuous with the first quantity sealing material.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: May 16, 1978
    Assignee: Rheem Manufacturing Company
    Inventors: Marc Frans Mertens, Bernard Wantiez