Patents by Inventor Adrian C. Greenham

Adrian C. Greenham 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 the manufacture of optical fibre preforms
    Patent number: 4936889
    Abstract: In apparatus for carrying out a method of manufacturing optical fibre preforms by causing a chemical reaction to take place in a gaseous reaction mixture so as to form a coating on a glass substrate wherein the reaction is promoted by the production of a plasma, a non-volatile component of the reaction mixture is held within a dispenser tube so that when it is evaporated by applying heat, it travels through perforations in the dispenser tube and reacts with the other components of the gaseous mixture.
    Type: Grant
    Filed: September 20, 1988
    Date of Patent: June 26, 1990
    Assignee: The General Electric Company, p.l.c.
    Inventors: Adrian C. Greenham, Bruce A. Nichols, Tin M. Ong