Patents by Inventor Wilhelm Roben

Wilhelm Roben 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).

  • Patent number: 4648719
    Abstract: The colloider comprising a collecting tank, the top area of which is suitably designed for receiving the materials, also includes a rotor which is rotatably mounted in the bottom area of the collecting tank and acts as an influence means.To provide a colloider which, for cleaning purposes and repair as well as for material supply and discharge, has a well accessible collecting tank interior and the space requirements and weight of which are low, the colloider comprises a rotor drive shaft which is passed through the bottom of the collecting tank including an opening adapted to be closed by means of a cover and provided in the top area of the collecting tank and is optionally movable into an operating position with the opening being at the top, and into a draining position, with the opening being at the bottom then.
    Type: Grant
    Filed: April 30, 1985
    Date of Patent: March 10, 1987
    Assignee: Roben Kolloid Entwicklung GmbH & Co. KG.
    Inventor: Wilhelm Roben