Patents by Inventor Michael Frederick Scarffe

Michael Frederick Scarffe 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 and method for detecting an interface
    Patent number: 6324911
    Abstract: Apparatus for detecting an interface (13) between two media of a heterogeneous system, comprising transmission means (21) to send a signal through one medium from the transmission means (21) to the interface (13), measuring means (32b, 32c, 32d) to measure the time taken for the signal to be reflected to a reception means (36), and processing means (40c, 40d) to use said time to determine the distance of the interface from the transmission means.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: December 4, 2001
    Assignee: Whitlenge Drink Equipment Limited
    Inventor: Michael Frederick Scarffe