Patents by Inventor Nikolaos Barakitis

Nikolaos Barakitis 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).

  • Method of sealing alumina arc tube
    Patent number: 4147952
    Abstract: A niobium metal tube is sealed in the axial hole of a cylindrical alumina plug using a high temperature sealing glass and the plug is sealed in the end of an alumina arc tube.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: April 3, 1979
    Assignee: GTE Sylvania Incorporated
    Inventors: Edward A. Webb, Francis B. Makar, Jr., Nikolaos Barakitis
  • Ultraviolet emitting arc discharge lamp
    Patent number: 4074166
    Abstract: A highly loaded ultraviolet emitting arc discharge lamp has an arc length longer than 36 inches and contains a fill of mercury, inert gas at 8-10 torr and a small amount of niobium.
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: February 14, 1978
    Assignee: GTE Sylvania Incorporated
    Inventors: Edward A. Webb, Nikolaos Barakitis, Keith Pigott
  • Method of sealing alumina arc tube
    Patent number: 3986236
    Abstract: A niobium metal tube is sealed in the axial hole of a cylindrical alumina plug using a high temperature sealing glass. The plug is then sealed, at a lower temperature, in the end of an alumina arc tube.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: October 19, 1976
    Assignee: GTE Sylvania Incorporated
    Inventors: Nikolaos Barakitis, Edward A. Webb, Francis B. Makar, Jr.