Patents by Inventor Jean F. Large

Jean F. Large 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: 4616426
    Abstract: A valve for the pneumatic distribution of fluidizable material comprising a main compartment with a fluidization grid and with an overflow pipe supplied with fluidizable material via a pipeline. The main compartment is put into communication by means of a passage with several auxiliary compartments with a fluidization grid and with an overflow pipe, the fluidized material leaving via any one of the overflow pipes, as desired.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: October 14, 1986
    Assignee: Charbonnages de France
    Inventor: Jean F. Large