Patents by Inventor Jean Mahon

Jean Mahon 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).

  • Patent number: 4453831
    Abstract: The invention relates to a mixer with a fixed drum.According to the invention, the mixer comprises a central opening (6) which makes it possible to carry out measurements or operations directly in the mixture during mixing. The entire driving device (8) is located around a central pipe (7). It comprises inter alia a movable ring (9) set in rotation by a drive member (5), the mixing arrangement (3) being fixed to the ring (9) and is set in rotation through the intermediary of a receiving pinion (17) meshing with a fixed wheel (15) connected to the central pipe (7).The invention will be used in particular for mixing wet or dry constituents such as concrete, silica sand and the like.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: June 12, 1984
    Assignee: Societe Anonyme Couvrot Laine & Cie
    Inventor: Jean Mahon