Patents by Inventor Arthur Dolenga

Arthur Dolenga 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).

  • Tungsten-fluorine lamp with native retained oxygen therein and method of manufacture
    Patent number: 4005324
    Abstract: A tungsten fluorine lamp is manufactured by a process including the steps of forming a glass bulb and tungsten filament-lead set to have a controlled content of native oxygen thereon; locating and sealing the tungsten filament and lead set in the bulb and thereafter by a simplified three-step process of evacuation, gas fill and bulb tubulation tip seal step forming a completed lamp assembly; and wherein the completed lamp assembly includes a gas fill comprising an inert component at six atmospheres and a fluorinated hydrocarbon component of only carbon, bromine and fluorine with a range of 3.2 .times. 10.sup.-.sup.7 to 8 .times. 10.sup.-.sup.7 gram atoms of carbon, 2.1 .times. 10.sup.-.sup.6 to 5.2 .times. 10.sup.-.sup.6 gram atoms of bromine, and 1.5 .times. 10.sup.-.sup.6 to 3.8 .times. 10.sup.-.sup.6 gram atoms of fluorine and an oxygen content (evolved from the aforesaid native oxygen) of 1.3 .times. 10.sup.-.sup.6 to 3.3 .times. 10.sup.-.sup.
    Type: Grant
    Filed: March 17, 1976
    Date of Patent: January 25, 1977
    Assignee: General Motors Corporation
    Inventors: Arthur Dolenga, John C. Hill