Patents by Inventor Rene J. Repetti

Rene J. Repetti 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).

  • Processes and devices for climatizing greenhouses
    Patent number: 4291674
    Abstract: The object of the invention consists of processes and devices which make it possible to vary the opacity of the covering of a greenhouse in order to maintain within the latter a luminosity which is substantially constant.A greenhouse according to the invention includes a transparent covering and transparent collectors, which are located parallel to the covering, which make up part of a closed circuit in which water containing in suspension a product P which partly absorbs the visible spectrum, and the infra-red, is caused to circulate and the concentration of product P in the suspension is varied in order to modulate the coefficient of absorption within the visible spectrum.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 29, 1981
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Paul Y. Comte, Rene J. Repetti