Patents Assigned to Gebrs. ter Braak B.V.
  • Patent number: 3949970
    Abstract: As in-line mixer for fluids, comprising an elongated open-ended, hollow tube and stationarily positioned therein two or more elongated, helically twisted and interengaging strips which are tightly enclosed by the tube.
    Type: Grant
    Filed: January 2, 1974
    Date of Patent: April 13, 1976
    Assignee: Gebrs. ter Braak B.V.
    Inventor: Johannes Gerardus ter Braak