Patents by Inventor Berthold J. T. Dietrich

Berthold J. T. Dietrich 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).

  • Teat cup having cleaning fluid line branching therefrom adjacent connection with milk line
    Patent number: 5386799
    Abstract: A device for pneumatic milking of cows comprises a system of teat cups which are connected to a milk line, each cup being provided with a connection to a source of alternating vacuum. The milk line (7) from each teat cup (2) at a point near the liner (5) is provided with a branch (9) which is connected by way of a shut-off valve (10) to a line (11) for the supply of a cleaning medium. Method after cleaning a system of teat cups of a device for pneumatic milking of cows after removal of the teat cups from a cow (3), is also disclosed on ending of a milking operation, the inside of each of the teat cups (2) is flushed with a flushing fluid. The teat cups (2) are flushed with their open end (6) downwards.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: February 7, 1995
    Inventor: Berthold J. T. Dietrich