Patents by Inventor Fernand Libis

Fernand Libis 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).

  • Method and device for lubricating compressors
    Patent number: 4173440
    Abstract: The invention consists of providing two lubrication circuits, a main circuit for lubricating the compression chamber and the various components of the compressor when operating under load and a secondary circuit for lubricating the components disposed on the suction side when operating under no load.The invention is used in air compressors.
    Type: Grant
    Filed: June 8, 1978
    Date of Patent: November 6, 1979
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel
    Inventor: Fernand Libis