Patents Examined by Behir L. Yildirim
  • Patent number: 5629258
    Abstract: A flat structural element has a plurality of openings which are distributed according to a predetermined pattern for use in packings. Every opening is delimited by the edges, which extend at an angle to each other or are curved. The structural element is made from two or more adjacent strips of flat material which are connected to each other with butt or overlapping connections.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: May 13, 1997
    Assignee: Sulzer Chemtech AG
    Inventors: Philipp Suess, Raymond Pluss