Patents Assigned to Gunter Grittmann
  • Device for the dosed diffusion of gases in liquids
    Patent number: 4518543
    Abstract: A device is described, which is intended for the dosed diffusion of gases in liquids and which is used especially for small-scale application in the field of aquaria. The device consists essentially of a diffusor which can be filled with gas via an inlet device and round which liquid circulates and which is open in its lower region and is filled via an automatically regulating pressure-regulating valve.
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: May 21, 1985
    Assignee: Gunter Grittmann
    Inventor: Dieter Dorsch