Patents by Inventor Konrad Eckstein

Konrad Eckstein 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: 4452284
    Abstract: The longitudinal marginal regions of a synthetic fabric endless belt-type screen for a paper making machine are formed to permit less wear of the marginal regions due to greater elongation as compared to the central region.
    Type: Grant
    Filed: September 17, 1980
    Date of Patent: June 5, 1984
    Assignee: Hermann Wangner GmbH & Co. KG
    Inventors: Konrad Eckstein, Hermann Wandel
  • Patent number: 4311172
    Abstract: A multiple-layer spliced drainage sieve belt for use in paper pulp drying, in which the ends of respective layers of sieve fabric are spliced together separately, the seams being staggered along the length of the belt. Various types of seams may be utilized, among them a woven seam which does not differ from the other portions of the sieve belt.
    Type: Grant
    Filed: January 11, 1980
    Date of Patent: January 19, 1982
    Assignee: Hermann Wangner GmbH & Co. KG
    Inventor: Konrad Eckstein