Patents by Inventor Godfrey Vaughan Jeffreys

Godfrey Vaughan Jeffreys 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).

  • Droplet control elements
    Patent number: 4057493
    Abstract: A droplet coalescence control element having materials of different surface energy levels. The control element can take the form of a composite surface exhibiting elemental areas of the material or of a perforate packing with such said junctions exposed in its interstitial passages.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: November 8, 1977
    Inventors: Graham Arthur Davies, Godfrey Vaughan Jeffreys, David Pryce Bayley