Patents by Inventor Henry Earle

Henry Earle 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).

  • Mixing method
    Patent number: 3994480
    Abstract: A method for mixing liquids and solids to form a mixture, and preferably nitrogen phosphorus potassium fertilizers in which the liquid is introduced tangentially into a mixer to establish a continuous vortex and the solids in the form of a stream are deflected from the central portion of the vortex to form a mixture of the solids with the liquid. The means for deflecting the solids into the vortex may be mechanical or a corona discharge electrode.
    Type: Grant
    Filed: June 6, 1974
    Date of Patent: November 30, 1976
    Assignee: Albright & Wilson Limited
    Inventors: Bernard Henry Fothergill, Henry Earle, William John Kelly