Patents by Inventor Manuela Wurch

Manuela Wurch 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).

  • Solar shadowscope
    Patent number: 4237611
    Abstract: The invention concerns the field of the solar shadowscopes. The apparatus according to the invention is characterized by the fact that the conditions of sunshine are recreated by the displacement of the light source in the relation to the apparatus and that the final position of the light source is given by the real position meeting exactly a given theoretical position of the shadow on the date scale and on the hour scale of a point "T", actually shown by the point of intersection of two wires set in the light beam.Application to the determination of the shadows on a model.
    Type: Grant
    Filed: May 9, 1979
    Date of Patent: December 9, 1980
    Inventors: Manuela Wurch, Gilbert Cerf