Patents by Inventor Paul Chapsal

Paul Chapsal 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).

  • Patent number: 4680686
    Abstract: A supply device connected to a 3-phase mains supply for an ozonizer comprising at least two capacitive discharge elements (7, 8). The device comprises two single-phase step-up voltage transformers (1, 2) having air gaps (5, 6) connected in a Scott circuit and connected between the 3-phase mains supply and said discharge elements (7, 8).
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: July 14, 1987
    Assignee: Trailigaz "Cie Generale de l'Ozone"
    Inventors: Paul Chapsal, Jean-Francois Petitimbert