Patents by Inventor Derek L. Tyrrell

Derek L. Tyrrell 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).

  • Patent number: 5337775
    Abstract: A dispensing tap for flexible bulk beverage containers comprising a body having an inlet and an outlet, the axes of which are transverse, a piercer unit carried within the body adjacent the inlet by a shaft and an outlet sealing means comprising a valve element carried on a valve stem, the valve stem and the shaft being operatively connected such that axial movement of the latter towards the inlet causes the valve stem to move transversely to open the outlet.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: August 16, 1994
    Assignee: Waddington & Duval Limited
    Inventors: Charles A. Lane, Ian D. Woodward, Derek L. Tyrrell
  • Patent number: 5211313
    Abstract: A dispensing tap of the type which is attached to a cask or a bottle is described. The tap body having an inlet and an outlet and a valve element controlling the outlet. A small bore capillary tube is attached to the inlet of the tap and a sleeve surrounds the junction between the small bore capillary tube and the tap body and pass the length of the small bore capillary tube. The valve element and body are formed with cooperating screw threads so arranged that rotation of the valve element causes movement thereof relative to the outlet to open or close the outlet. A releasable locking means is provided for preventing rotation of the valve element.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: May 18, 1993
    Assignee: Waddington & Duval Limited
    Inventors: Anthony J. Lucking, Charles A. Lane, Derek L. Tyrrell