Patents by Inventor George Rutledge

George Rutledge 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).

  • Field repairable explosion-proof fluorescent fixture
    Patent number: 5043853
    Abstract: An explosion proof fluorescent lamp fixture includes a pair of end housings having aligned openings which removably receive transparent lamp sleeves and a ballast housing. The lamp sleeves are fixed in first annular rings which matingly connect to second annular rings to form labyrinth seals. The second annular rings are removably inserted in the end housing openings. Thus, the fluorescent lamp is easily field reparable. A method of mounting a ballast in the ballast housing is also disclosed.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: August 27, 1991
    Assignee: Emerson Electric Co.
    Inventor: George Rutledge