Patents by Inventor Katharine J. Leadlay

Katharine J. Leadlay 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: 6948666
    Abstract: A filtering apparatus for use with threaded nipples or sprinkling cans having dispensing spouts and a base and cap. The base has a neck and head. The neck features an upper end and a lower end wherein the lower end is fittable to the dispensing end of a sprinkling can spout. The neck further includes a lower chamber in fluid communication with the dispensing end of the sprinkling can spout such that the lower chamber can receive a filtering element therewithin. Preferably, the head is hollow and includes a threaded open upper periphery and a lower surface in fluid communication with upper end of the neck. Finally, a removable perforated cap is provided for dispensing fluid. The cap has a threaded lower periphery cooperable with the threaded open upper periphery of the hollow head for forming an upper chamber in fluid communication with the neck for receiving granular or wafer born elements.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: September 27, 2005
    Inventor: Katharine J. Leadlay