Patents by Inventor Beverley Silvanov

Beverley Silvanov 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).

  • Stoma closure devices
    Patent number: 4950223
    Abstract: A closure device for use in the closure of stomas and the like is described and comprises a bellows like reservoir which is integral with and in fluid communication with a bell-shaped inflatable bung. The inflatable bung can be positioned with a body channel of the stoma and inflated to a predetermined degree defined by the volume of the reservoir. A filter channel is provided in an annular ring of the device and is positioned so as to permit escape of flatus without becoming blocked by liquid or solid materials from the body channel.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: August 21, 1990
    Assignee: Trimark (R&D) Limited
    Inventor: Beverley Silvanov
  • Matter collecting unit
    Patent number: 4067335
    Abstract: Method and apparatus for collecting matter, particularly human waste matter. An annular member is fitted to a passage through which the material passes. A folded or rolled tube, closed at one end, is provided on the annular member, and collects the waste matter. The passage of the waste matter into the tube causes the tube to unfold or unroll. The portion of the tube containing the waste matter may then be sealed off and detached, leaving the remainder of the tube ready for collection of further matter.
    Type: Grant
    Filed: February 10, 1976
    Date of Patent: January 10, 1978
    Inventor: Beverley Silvanov
  • Sandal
    Patent number: D259747
    Type: Grant
    Filed: July 27, 1979
    Date of Patent: July 7, 1981
    Inventor: Beverley Silvanov
  • Spatula for use in playing a game
    Patent number: D262384
    Type: Grant
    Filed: July 27, 1979
    Date of Patent: December 22, 1981
    Inventor: Beverley Silvanov