Patents by Inventor Boris S. Oborin

Boris S. Oborin 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).

  • Stratal porous filter material
    Patent number: 5468273
    Abstract: The stratal filter material includes a base layer made from highly porous honeycomb nickel-based material with pore sizes of 0.3 to 2.0 mm and a thickness selected from the ratio h:d=20 to 110, where:h is the layer thickness, mm;d is the porous nickel pore size, mm;a working layer made from porous permeable material 0.35 to 2.5 mm thick, formed on the surface of base layer, and an intermediate layer of a combination of the base and working layer materials formed therebetween with a thickness of 0.3 d to 5 d.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: November 21, 1995
    Assignee: Intot, Ltd.
    Inventors: Lev K. Pevzner, Mikhail Y. Lakhovskiy, Boris S. Oborin