Patents by Inventor James T. Elson

James T. Elson 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: 4228933
    Abstract: The invention relates to a pressurized fluid-dispensing apparatus which can be re-charged with a fluid to be dispensed and pressurized by a compressed gas and can find application as a replacement for the well-known aerosol spray cannister.In a specific embodiment the apparatus includes a container having an aperture for charging the container with a liquid to be dispensed, first a valve resiliently biased towards a closed position and operable, in use, to dispense the liquid under pressure and second a valve for connecting the container temporarily to a compressor for pressurizing the contents of the container and in which the first and second valves are removable from the container to expose the aperture for charging the container with a liquid.
    Type: Grant
    Filed: January 24, 1979
    Date of Patent: October 21, 1980
    Inventor: James T. Elson