Patents by Inventor Otto Blaffert

Otto Blaffert 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: 5201328
    Abstract: The invention relates to a method and an apparatus for the production of a coaxial tobacco or filter rod, a first production machine processing a strip-like first covering material and a stream of filling material to give a preformed rod which is deposited in a special magazine in order to be removed again therefrom in due course and supplied to a second production machine which brings the preformed rod together with a stream of filter or smoking material and a strip-like second covering material and processes it to form the coaxial tobacco or filter rod.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: April 13, 1993
    Assignee: B.A.T. Cigarettenfabriken GmbH
    Inventors: Otto Blaffert, Meinhard Meyer, Herbert Struck, Arno Weiss