Patents by Inventor Hans K. Olofsson

Hans K. Olofsson 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).

  • Milking plant
    Patent number: 4313396
    Abstract: A milking plant of the kind operating at two different vacuum levels is provided with a vacuum source producing a low vacuum, and an ejector connected to the vacuum source and producing a high vacuum.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: February 2, 1982
    Assignee: Alfa-Laval AB
    Inventor: Hans K. Olofsson