Patents by Inventor Armin Grossmann

Armin Grossmann 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).

  • Large drums for high-dispersion, high air content solids, and a method for filling them
    Patent number: 6199602
    Abstract: A large drum for containing high dispersion, high air content solids for repeated filling and emptying by means of vacuum filling plants and a method for filling them. The drums consist of at least two layers, an inner layer consisting of uncoated air-permeable fabric and an outer layer being coated so as to be dust tight and provide a moisture barrier. These layers being connected to one another by means of a special seam, so that it is possible for the drum to be deaerated solely through this seam. The seam includes an air-permeable dust-retaining filter strip material disposed between the drum layers.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: March 13, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Helmut Maginot, Armin Grossmann