Patents Represented by Attorney David R. Draegert
  • Patent number: 5561944
    Abstract: Method and apparatus for treating edible plants with feed water containing carbon dioxide and ozone while maintaining a growth maintaining effective amount of oxygen therein.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: October 8, 1996
    Assignee: African Oxygen Limited
    Inventors: Sooliman Ismail, Brian Sacks
  • Patent number: 5554836
    Abstract: Apparatus and method of induction heating wherein the heating operation is conducted in a low oxygen-containing atmosphere by the introduction of an inert gas alone or in combination with an oxygen-reacting gas through the ends of the induction coil housing or through removable covers enclosing the spaces between spaced apart housings.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: September 10, 1996
    Assignee: The BOC Group, Inc.
    Inventors: Mircea S. Stanescu, Paul F. Stratton