Patents by Inventor Wolfgang Wunnenberg

Wolfgang Wunnenberg 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: 5181633
    Abstract: A container for bulk material includes a hollow glide body provided with inner walls forming an orifice opening into a bottom of the container, outer walls formed shorter than inner walls and a distribution cone formed with respective walls.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: January 26, 1993
    Assignee: Bergwerksverband GmbH
    Inventors: Raymond Weber, Wolfgang Wunnenberg