Patents by Inventor Walter H. Roediger

Walter H. Roediger 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).

  • Method and apparatus for raising an aeration apparatus for liquids
    Patent number: 4273732
    Abstract: An apparatus for raising a liquid aeration apparatus having a carrier element 62 which can be guided to a position engaging an air distributing pipe 36 to raise same by means of a guide rod 66. The movement of the guide rod is controlled by a guide device 64 disposed on the free end of a boom 52 suspended vertically above the air distributing pipe, such that the movement of the guide rod is restricted to a plane perpendicular to the air distributing pipe, thus preventing contact with and damage to aeration tubes 38 extending from the air distributing pipe.
    Type: Grant
    Filed: November 16, 1979
    Date of Patent: June 16, 1981
    Assignee: Wilhelm Roediger GmbH & Co.
    Inventor: Walter H. Roediger