Patents by Inventor Gabriel Cattin

Gabriel Cattin 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).

  • Air filtration installation with recycling of filtered air
    Patent number: 5695534
    Abstract: A filtration installation including a time delay device which, at the time of a filter sleeve cleaning operation, establishes a cycle to exhaust filtered air towards the outside atmosphere instead of recycling it. The installation also includes a device for bypassing the filtered air that includes two shutters. One of the shutters controls a recycling of the filtered air and the other shutter controls the exhaustion of the filtered air to the outside atmosphere.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: December 9, 1997
    Assignee: Societe Cattinair
    Inventor: Gabriel Cattin
  • Process for filtering air and cyclone filter with filter cartridge for implementing the process
    Patent number: 5032153
    Abstract: Process and apparatus for filtering air in a cyclone filter by reducing the ascending speed of air to be filtered in the lower part of the filter by providing a skirt on the filter cartridge. Perforations are included in the skirt, which make it possible to increase the intake surface for the air at the lower intake of the skirt. Moreover, the diameter and density of the perforations are adapted according to the type of dusts and wastes suspended in the air.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: July 16, 1991
    Assignee: Cattinair
    Inventor: Gabriel Cattin