Patents by Inventor Johann Dirneder

Johann Dirneder 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).

  • High temperature disconnect union
    Patent number: D583026
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: December 16, 2008
    Assignee: Praher Canada Products Ltd.
    Inventor: Johann Dirneder
  • High temperature disconnect union
    Patent number: D594938
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: June 23, 2009
    Assignee: Praher Canada Products, Ltd.
    Inventor: Johann Dirneder