Patents by Inventor Roger K. Sayers

Roger K. Sayers 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).

  • Dispensing fluid into individual containers
    Patent number: 4168728
    Abstract: Apparatus for use in dispensing fluid into individual containers is disclosed. The apparatus comprises a dispensing head and a transport mechanism comprising an endless conveyor, the dispensing head being attached to the conveyor, which conveyor provides means for moving the dispensing head in a predetermined path above an array of sample containers. A drive arrangement is provided for the transport mechanism, there being a detector incorporated in the drive arrangement for indicating when the drive arrangement has driven the transport mechanism so that the conveyor has moved the dispensing head a predetermined distance along the predetermined path.
    Type: Grant
    Filed: April 20, 1978
    Date of Patent: September 25, 1979
    Assignee: Universal Scientific Limited
    Inventors: Roger K. Sayers, Mark A. Samuels, Harry J. J. Wrenn, Derek J. Nash, Kenneth W. Graham