Patents by Inventor Antony E. Hughes

Antony E. Hughes 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: 4831271
    Abstract: A work piece 13 is implanted with N.sup.+ ions from a source 1 to improve its surface hardness. The dosage of implanted ions is monitored by a member 14 which changes its color in dependence upon the dose. The member 14 may comprise a tantalum plate 15 with an anodic oxide layer 16 of a thickness to produce interference colors. In accordance with the invention this layer 16 changes colors as a function of the ion dosage.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: May 16, 1989
    Assignee: Millspin Limited
    Inventors: Geoffrey Dearnaley, Antony E. Hughes, Steven Rosenbaum
  • Patent number: 4378385
    Abstract: The present invention relates to electrical devices and to the preparation thereof.According to one aspect of the present invention there is provided an electrical device having a portion comprising an oxygen ion conducting solid electrolyte wherein the portion comprising an oxygen ion conducting solid electrolyte has been formed by a method including deposition onto a substrate from a solution or dispersion.There is also disclosed a method for the preparation of an electrical device in accordance with the present invention.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: March 29, 1983
    Assignee: United Kingdom Atomic Energy Authority
    Inventor: Antony E. Hughes