Patents by Inventor Ingolf Seckelmann

Ingolf Seckelmann 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).

  • Perforated cigarette tipping paper
    Patent number: 4094324
    Abstract: A cigarette tipping paper is formed in a strip with spark-eroded perforations irregularly distributed in one or more zones extending the length of the strip. Unperforated regions are located along the margins of the strip. This cigarette tipping paper is receivable on the exterior of a filter on a filtered cigarette to form a filter tip having a porosity approaching that of the filter alone.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: June 13, 1978
    Assignee: Deutsche Benkert GmbH & Co., K.G.
    Inventors: Otto Bolsinger, Ingolf Seckelmann