Patents by Inventor P. Vion

P. Vion 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).

  • Membrane filters for the ultra or micro filtration of liquids, especially water
    Patent number: 5096583
    Abstract: An appliance intended for the ultra- and mirco-filtration of liquids, especially water, by means of membranes consisting of fibers grouped in the form of tubular bundles. Filtration takes place from the inside of the fiber towards the outside, at the same time with an active recirculation of the liquid to be filtered. Such an appliance may take the form of a cylindrical containment with domed ends, in which the bundles of filter elements are either arranged between two superposed floors or fixed to a single floor, wherein the means intended for ensuring the recirculation of the liquid during filtration are incorporated in the appliance.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: March 17, 1992
    Assignee: Degremont
    Inventors: J. P. Roux, P. Vion