Patents by Inventor Pierre Jourdheuil

Pierre Jourdheuil 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).

  • Method of mass producing an entomophagous insect
    Patent number: 4765274
    Abstract: The invention relates to a method for the mass production of an entomophagous insect such as Trichogramma maidis insect from a substitution host such as the egg of the meal moth Ephestia kuehniella, as well as a device for implementation of this method and the application of the method to the biological fight against maize crop ravagers.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: August 23, 1988
    Assignees: Societe Cooperative Agricole de Semences de Limagne "Limagrain", Union Nationale des Cooperatives Agricoles d'Approvisionnement, Institut National de la Recherche Agronomique
    Inventors: Jeannine Pizzol, Jean Voegele, Pierre Jourdheuil, Bernard Raynaud, Yves Miermont