Patents by Inventor Walter Seifert

Walter Seifert 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).

  • Pack of large surface washers
    Patent number: 5927497
    Abstract: In a pack of substantially parallel-stacked transportable washers, at least two through-holes are provided in each washer, the two legs of a substantially U-shaped metal or plastic wire being positioned in the two through-holes of the stack of washers. The free ends of the legs projecting beyond the stack are bent over to positions oriented at approximately right angles to the respective legs. By appropriate force on the crosspiece, or on an extension, the wire is pulled back out of the stack of washers, the free ends being restraightened in the process.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: July 27, 1999
    Assignee: SFS Industrie Holding AG
    Inventors: Stefan Baumgartner, Daniel Gasser, Jurg Maurer, Walter Seifert
  • Packaging for rod-shaped parts
    Patent number: 5823338
    Abstract: A package for elongated parts (2) has a supporting element (1) made of a supporting strip (4) and of a tear-off covering strip (5). The supporting strip (4) has openings (6) in which the elongated parts (2) are laid, forming a row of parallel elongated parts. The package may be easily removed by tearing the covering strip (5) along perforated lines (13, 14).
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: October 20, 1998
    Assignee: SFS Industrie Holding AG
    Inventors: Helmut Osterle, Daniel Gasser, Guido Hasler, Richard Sahli, Walter Seifert, Norbert Koppel, Markus Steffen