Patents by Inventor Alfred Ruffer

Alfred Ruffer 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: 4573484
    Abstract: A charging device for opening and delivering leaf-type material which includes a conveyor having an upper surface along which leaf-type material moves in a downstream direction of travel toward a discharge end, an opening mechanism adjacent the discharge end for establishing an arcuate path of travel along which a plurality of members move for intermittently successively underengagingly contacting and opening the leaf-type material during the movement thereof beyond the discharge end, and at least one mechanism downstream of the opening mechanism for establishing an arcuate path of travel along which a plurality of elements move for intermittently successively contacting and stripping, in opposition to the downstream direction of travel, the leaf-type material, and both the opening and stripping mechanisms being formed by a plurality of arcuately spaced elongated bars carried by end plates rotatable about associated axes in identical directions.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: March 4, 1986
    Assignee: Wilh. Quester Maschinenfabrik GmbH
    Inventors: Alfred Ruffer, Peter Maubach, Johannes Haas, Horst Quester
  • Patent number: 4483350
    Abstract: This disclosure is directed to a device for charging cigarette machines with tobacco and includes a collection area of a generally trough-like configuration including a bottom defined by an endless conveyor entrained about rollers, and a plurality of suction tubes having terminal end portions thereof disposed within the collection area and adjacent the upper flight of the conveyor whereby tobacco upon the upper conveyor flight can be withdrawn therefrom by the suction tubes for feeding or charging associated cigarette machines.
    Type: Grant
    Filed: June 28, 1982
    Date of Patent: November 20, 1984
    Assignee: Firma Wilh. Quester
    Inventors: Alfred Ruffer, Johannes Haas, Karl W. Quester