Patents by Inventor Ralph Kaufmann

Ralph Kaufmann 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).

  • Apparatus for manufacture of a tip for liquid drop dispensing container
    Patent number: 6379142
    Abstract: A liquid container includes a drop dispensing tip with a hollow stem which defines a liquid passageway and an interior partition wall in the passageway. The partition wall separates the liquid passageway into an upstream chamber and a downstream chamber. Flow communication between these two chambers is provided by a liquid passage in the partition wall. The liquid passage guides liquid against an impingement surface in the downstream chamber from which the liquid is dispensed dropwise.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: April 30, 2002
    Assignee: Automatic Liquid Packaging, Inc.
    Inventors: Gerhard H. Weiler, Ralph Kaufmann
  • Tip for liquid drop dispensing container
    Patent number: 6098852
    Abstract: A liquid container includes a drop dispensing tip with a hollow stem which defines a liquid passageway and an interior partition wall in the passageway. The partition wall separates the liquid passageway into an upstream chamber and a downstream chamber. Flow communication between these two chambers is provided by a liquid passage in the partition wall. The liquid passage guides liquid against an impingement surface in the downstream chamber from which the liquid is dispensed dropwise.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: August 8, 2000
    Assignee: Automatic Liquid Packaging, Inc.
    Inventors: Gerhard H. Weiler, Ralph Kaufmann