Patents by Inventor Jean Labouygues

Jean Labouygues 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).

  • Settling and drying apparatus
    Patent number: 4126947
    Abstract: The invention relates to a settling and drying apparatus composed of a settling tank in whose center is immersed a tube of an annular supply tank with central overflow comprising, coaxially, an extractor tube plunging to the bottom of the tank and surmounted by a drying tank.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: November 28, 1978
    Inventor: Jean Labouygues