Patents by Inventor William I. Bamberg

William I. Bamberg 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).

  • Lead metallizing process to avoid seal oxidation
    Patent number: 4891553
    Abstract: An improved high wattage mercury halide lamp which has the follower rod of the electrode ribbon assembly brazed to a side arm of a quartz arc tube with ductile alloy brazing composition which effectively seals the side arm and the electrode follower to prevent lead oxidation, metal expansion and attendant damage to the integrity of the lamp. The result is longer life high wattage mercury halide lamps.
    Type: Grant
    Filed: June 28, 1988
    Date of Patent: January 2, 1990
    Assignee: Wolfram, Inc.
    Inventors: William I. Bamberg, Keith P. Cordero
  • High intensity discharge lamp having safety device with pyrophoric material
    Patent number: 4195251
    Abstract: A high intensity arc discharge lamp has an arc tube the emission of which includes some harmful UV radiation. An outer envelope surrounds the arc tube and substantially blocks the harmful UV radiation. The lamp includes means to render the arc tube inoperative when the outer envelope becomes cracked or punctured sufficiently to admit air therewithin, the means including a pyrophoric material to initiate combustion of a current carrying portion of the lamp circuit.
    Type: Grant
    Filed: June 22, 1978
    Date of Patent: March 25, 1980
    Assignee: GTE Sylvania Incorporated
    Inventor: William I. Bamberg