Patents by Inventor Norbert Burdy

Norbert Burdy 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).

  • Mold apparatus
    Patent number: 3932099
    Abstract: Cooperating guide means are provided on a vibratory mold and a cover plate reciprocable into and out of the open top of the mold. The guide means are arranged to guide the cover plate during its vertical stroke just before it enters into the mold and to prevent any but vertical movements between the mold and the cover plate when the cover plate is within the mold. The operative length of the guide means is less than the length of the vertical stroke.
    Type: Grant
    Filed: September 17, 1973
    Date of Patent: January 13, 1976
    Assignee: Fives Lille Cail
    Inventors: Norbert Burdy, Christian Ravet, Jean Lacave