Patents by Inventor David Schonstein

David Schonstein 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).

  • Patent number: 5520211
    Abstract: A pressure regulator for lower pressure distribution of gases from a higher pressure source of gas including a gas inlet and a gas outlet defining a gas path therebetween, a regulating element disposed downstream of the gas inlet remote from the gas path, including a resiliently displaceable device responsive to gas pressure and connected to a valve at the gas inlet to thereby regulate the gas pressure at the gas outlet, and to gas distribution systems employing the same.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: May 28, 1996
    Assignee: The Commonwealth Industrial Gases Limited
    Inventors: David Schonstein, William Shore