Patents by Inventor Trevor J. Wilde

Trevor J. Wilde 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: 5697532
    Abstract: A metered dose dispensing valve for use with an aerosol container is disclosed. The valve comprises, as a single integral component, a rim gasket for sealing the valve to the aerosol container, a sealing flap for pressure filling the valve, and an insert which takes up dead volume within the valve.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: December 16, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Trevor J. Wilde, Philip Bolton
  • Patent number: 5477992
    Abstract: Metered dose dispensing valves providing good dosage reproducibility with formulations having a propensity to cream and with low concentration formulations. Valves having a tank retaining cup have a small inlet aperture of no more than 0.7 mm and preferably the tank retaining cup follows the configuration of the end of the valve stem. Valves having a bottle emptier attached to the valve stem have a filling channel in the valve stem which protrudes only slightly from the metering chamber when the valve is in its inoperative position.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: December 26, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Philip A. Jinks, Charles G. Thiel, Trevor J. Wilde