Patents by Inventor Mark R. Nauman

Mark R. Nauman 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 diffusion device with external compression
    Patent number: 4199458
    Abstract: A membrane diffusion device, such as a membrane oxygenator, is disclosed which comprises a stack of flat membrane wall pairs and flat membrane supports in alternating, interleaving relation. The casing includes a pair of opposed sidewalls that are substantially parallel to flat sides of the stack, and a pair of substantially vertical crimps are formed on each of the sidewalls to provide external compression on the end portions of the stack.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: April 22, 1980
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventor: Mark R. Nauman