Patents by Inventor Douglas Charles Wright

Douglas Charles Wright 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).

  • Separation apparatus
    Patent number: 4078997
    Abstract: A separating apparatus and method is provided by the use of which a stratified flow of a mixture of materials of different properties, for example, a slurry of mineral-bearing sand in water, can be separated into fractions by impinging a substantial proportion of the flow against a separator face assembly, for example, a separator plate.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: March 14, 1978
    Inventor: Douglas Charles Wright