Patents by Inventor Andre Plumier

Andre Plumier 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).

  • Antiseismic steel structural work
    Patent number: 5148642
    Abstract: In antiseismic steel structural works of the frame type or of the truss type, which are constituted by columns and by girders fastened to the columns, the girders of different shapes show, at least in the vicinity of one of their extremities, a dissipative zone constituted by a reduction of the actual cross section. The reduction of the actual cross section consists either in differently shaped indentations in the edges of the flanges of the girder or in round or polygonal holes which are regularly distributed over the flanges and have a small diameter.
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: September 22, 1992
    Assignee: Arbed S.A.
    Inventors: Andre Plumier, Raymond Baus, Rene Pepin, Jean-Baptiste Schleich