Patents by Inventor William Gummer Castell

William Gummer Castell 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).

  • Apparatus for disposal of effluents
    Patent number: 4008155
    Abstract: This invention relates to the treatment and disposal of effluent, particularly the treatment and disposal of sewage, by apparatus which is floatable in water and able to be located by moorings or otherwise for example at sea wherein sewage can be pumped out to the apparatus, treated and dispersed in the ambient water.
    Type: Grant
    Filed: March 20, 1975
    Date of Patent: February 15, 1977
    Inventor: William Gummer Castell