Patents by Inventor Khoung To Vinh

Khoung To Vinh 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).

  • Adsorptive substance separation device
    Patent number: 6294090
    Abstract: An adsorptive separation device is disclosed having at least one spiral wound adsorption membrane situated around the periphery of a core mandrel wherein the flow is radial from a feed plenum situated between the core mandrel and the membrane, through the membrane to a permeate plenum located between the membrane and a housing for both the core mandrel and the spiral wound membrane. An array of such separation devices is also disclosed showing connections in parallel, in series, in both parallel and in series and in tandem.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: September 25, 2001
    Assignee: Sartorius AG
    Inventors: Dietmar Nussbaumer, Khoung To Vinh, Abdul Weiss, Wolfgang Demmer, Hans-Heinrich Hörl, Andreas Graus, Günter Pradel