Patents by Inventor Wilhelm Nelles

Wilhelm Nelles 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).

  • Publication number: 20040229741
    Abstract: A method of and an apparatus for the folding of paper to produce accordion folds in which the web is engaged at each second groove previously formed in the web and moved at a speed matched to the feed of the web upwardly along a linear path and downwardly along an arcuate path so as to produce the accordion fold.
    Type: Application
    Filed: February 10, 2004
    Publication date: November 18, 2004
    Applicant: Hotten Maschinenbau GmbH
    Inventors: Wilhelm Nelles, Achim Pompe
  • Publication number: 20040224828
    Abstract: A method of and an apparatus for the grooving of foldable material, especially corrugated paper in which grooves are formed alternately on opposite sides of the foldable material at spacings enabling the folding thereof, for example, in to an accordion folding package.
    Type: Application
    Filed: February 10, 2004
    Publication date: November 11, 2004
    Applicant: Hotten Maschinenbau GmbH
    Inventor: Wilhelm Nelles
  • Patent number: 4190991
    Abstract: An expanding fixture for securing an element to a wall or ceiling by securing the element to a bore in the wall or ceiling. The element includes a hollow end portion and an expanding piece adapted to fit within the hollow end for expansion thereof after insertion into the bore. The expanding piece includes at one end thereof two oppositely extending end sections which do not enter the bore and rest on the surface of the wall or ceiling and at the other end of the expanding piece, there is provided an expansion member to press the walls of the hollow section against the wall of the bore. A hammering device which is adapted to fit over the element away from the portion thereof which enters the bore to press the extension member and hollow section when in the bore together to provide a tight fitting engagement between the wall of the bore and the outer wall of the hollow section.
    Type: Grant
    Filed: March 21, 1978
    Date of Patent: March 4, 1980
    Inventor: Wilhelm Nelles
  • Patent number: D266593
    Type: Grant
    Filed: July 13, 1978
    Date of Patent: October 19, 1982
    Inventor: Wilhelm Nelles