Patents Assigned to Stawag
  • Device for submerged culture of tissue cells
    Patent number: 5045470
    Abstract: An apparatus for submerged culture of tissue cells in which gas is supplied to the culture medium in an upright sterilizable container through a rotating hollow shaft having a plurality of sets of radially extending blades from which the gas is discharged only along upper surfaces of the blades within a cage formed by vertically spaced hollow baffle plates connected by hollow posts through which gas is supplied to the baffle plates and is charged into the nutrient medium through porous parts of the plates.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: September 3, 1991
    Assignee: Stawag
    Inventor: Gerd Kloss