Patents by Inventor Manfred Arndt

Manfred Arndt 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).

  • Insulated container
    Patent number: 4446978
    Abstract: The invention relates to an insulated container comprising a vacuum glass body surrounded by a protective envelope consisting of an upper and a lower portion, and an adjustable tensioning means for producing a force biasing the glass body upwards into engagement with a seal adjacent the upper rim of the protective envelope.
    Type: Grant
    Filed: May 5, 1982
    Date of Patent: May 8, 1984
    Assignee: Wurttemberische Metallwarenfabrik Aktiengesellschaft
    Inventors: Manfred Arndt, Walter Breier, Hermann Riegert, Heinz Schmidt, Hermann Schwarz, Helmut Warneke