Patents by Inventor Manfred Feichtiger

Manfred Feichtiger 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).

  • Multi-ply fibrous plasterboard web
    Patent number: 6932886
    Abstract: A fibrous web including a back liner having a higher fines side with a higher fines content, a top liner having a higher fines side with a higher fines content and at least one middle layer having a higher fines side with a higher fines content, and a lower fines side with a lower fines content, at least one middle layer and the top liner being couched together, the back liner having the higher fines side in contact with the lower fines side of at least one middle layer.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: August 23, 2005
    Assignee: Voith Paper Patent GmbH
    Inventors: Alexander Wassermann, Manfred Feichtiger
  • Multi-ply fibrous plasterboard web
    Publication number: 20040129396
    Abstract: A fibrous web including a back liner having a higher fines side with a higher fines content, a top liner having a higher fines side with a higher fines content and at least one middle layer having a higher fines side with a higher fines content, and a lower fines side with a lower fines content, at least one middle layer and the top liner being couched together, the back liner having the higher fines side in contact with the lower fines side of at least one middle layer.
    Type: Application
    Filed: September 5, 2003
    Publication date: July 8, 2004
    Inventors: Alexander Wassermann, Manfred Feichtiger
  • Machine for the manufacture of a multi-layer fibrous web
    Patent number: 6616811
    Abstract: A machine for the manufacture of a multi-layer fibrous web includes at least two fibrous web layers and at least two formers; the fibrous web layers each having a lower fines side with a lower fines content and a higher fines side with a higher fines content; and the formers include a first former and a second former, at least one of the two formers being a gap former, with the second former including a couch roll defining a couching zone whereat the lower fines side of the first fibrous web layer is brought into contact with the lower fines side of the second fibrous web layer.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: September 9, 2003
    Assignee: Voith Paper Patent GmbH
    Inventors: Alexander Wassermann, Manfred Feichtiger, Thomas Nagler