Patents by Inventor Stephen C. Fancher

Stephen C. Fancher 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).

  • Arc discharge lamp with bimetal strip for fast passive lamp failure
    Patent number: 6211618
    Abstract: Fluorescent tube type discharge lamp has end sealed in base with terminal pins connected to lead wires passing through stem press and supporting an electrode in the form of a coil having an emitter. Bimetal strip has a first end welded to one of the leads and a second end proximate to a thin walled portion of the stem. When electrode fails and an arc discharge operates directly off the leads, the bimetal strip heats up so that second end contacts thin walled portion and arcs through to admit air for passive failure of lamp.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: April 3, 2001
    Assignee: Philips Electronics North America Corp.
    Inventors: Stephen C. Fancher, Thomas O. Leyh