Patents by Inventor Steven Metras

Steven Metras 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).

  • Vent system for endoscopes
    Patent number: 5547456
    Abstract: A continuous vent for an endoscope which always allows flow of gas in order to prevent damaging differential pressures and always prevents entry of liquid into the endoscope. A barrier for this purpose overlays a vent port and is held in place by a ring-shaped spacer which with an overhanging shoulder leaves a limited space for flow of fluid and excludes most particulates from the barrier. The barrier maybe an assortment of hydrophobic and hydrophilic layers.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: August 20, 1996
    Assignee: Karl Storz GmbH & Co.
    Inventors: Karlheinz Strobl, Steven Metras