Patents by Inventor Henri A. Willot

Henri A. Willot 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).

  • Apparatus for profiling an abrasive millstone
    Patent number: 4561415
    Abstract: This invention relates to an apparatus for profiling, truing or dressing, with precision, an abrasive millstone, by cutting using diamond tools.The apparatus comprises a truing head 15 consisting of a cylinder 16 which is provided with a series of separate retractable diamond tools 17, each of which is capable of being regidly locked opposite the truing station of the millstone.
    Type: Grant
    Filed: December 7, 1983
    Date of Patent: December 31, 1985
    Assignee: Societe de Recherches et de Developpement Industriel S.A.
    Inventor: Henri Willot
  • Apparatus for neutralizing and purifying air
    Patent number: 4200442
    Abstract: An apparatus for neutralizing and purifying air comprises an air filter, a preliminary drier, two alternately operable driers, a turbine for moving the air, a cooling unit, a heating unit, a moistening unit, at least one conditioner, and connecting means for outputting the treated air. The cooling unit lowers the temperature of the air, and comprises a separator for liquids and a separator for solids. The heating unit brings the temperature of the air back up to between 250.degree. and 450.degree. C.
    Type: Grant
    Filed: December 2, 1977
    Date of Patent: April 29, 1980
    Assignee: Centre de Recherche Fondamentale "Rivieren" S.P.R.L.
    Inventor: Henri A. Willot