Patents by Inventor Hans O. I. Nantin

Hans O. I. Nantin 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: 4213795
    Abstract: A method and an arrangement for the cleaning and sterilizing of a filler pipe on a packing machine are disclosed. A cleaning and sterilizing duct is provided which can be concentrically arranged around the filler pipe, which duct is closed at one end and in tight engagement with the filler pipe at its other end, while also being connected to a drainage duct. Cleaning or sterilizing fluid can flow through the filler pipe, into the sterilizing duct, to be discharged through the drainage duct.
    Type: Grant
    Filed: February 8, 1978
    Date of Patent: July 22, 1980
    Assignee: Tetra Pak International AB
    Inventors: Ernst G. Ernstsson, Hans O. I. Nantin