Patents by Inventor Bjorn Loov

Bjorn Loov 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).

  • System of prefabricated concrete elements for constructing paths
    Patent number: 4445802
    Abstract: Prefabricated concrete elements for constructing paths corresponding to a width N or a multiple thereof contain two groups. The first group comprises flat, four-sided slabs for the straight sections of the path, having a dimension corresponding to the normal width N or half said normal width. The second group of prefabricated concrete elements comprise a plurality of sets of flat, sector slabs for the curved sections of the path having different predetermined radius each set consists of sector slabs having a predetermined radius and radii having a dimension corresponding to the normal width.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: May 1, 1984
    Assignee: Aktiebolaget S:t Eriks Betong
    Inventor: Bjorn Loov