Patents by Inventor Kathleen P. Bernard

Kathleen P. Bernard 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).

  • Electric Lamp Having Strapless Support Mount for Mh Arc Tubes
    Publication number: 20090015162
    Abstract: A medium wattage (>175 W to 400 W) metal halide electric lamp is provided having a strapless mount structure for the light source capsule while reliably passing standard drop tests. The strapless mount structure reduces photoelectron emission and thus retards sodium diffusion through the light source capsule.
    Type: Application
    Filed: June 26, 2004
    Publication date: January 15, 2009
    Inventors: Kathleen P. Bernard, John C. Alderman, Randy King, Kevin Dombrowski, Junming Tu, David Whitehead, Mary Fortuna
  • Dual arc tube discharge lamp having a lamp frame with coplanar spot welds and slip-free construction
    Patent number: 5408157
    Abstract: A high pressure discharge lamp includes a pair of arc tubes connected electrically in parallel within an outer envelope, which includes a lamp stem having a pair of stem conductors entering the lamp envelope in a common plane. The arc tubes include conductive feed-throughs at each end thereof. A lamp frame supports the arc tubes in a plane parallel with the stem conductors and is welded directly to each of the feed-throughs with all welds in a common plane with the welds between the frame and the stem conductors. The frame includes a resiliently deformable transverse member which allows for independent changes in length of the arc tubes during lamp operation due to thermal expansion/contraction. The frame is free of slip fit connections with the feed-throughs and free of additional conductive straps connected to the feed-throughs.
    Type: Grant
    Filed: March 9, 1993
    Date of Patent: April 18, 1995
    Assignee: North American Philips Corporation
    Inventors: John C. Alderman, Kathleen P. Bernard, Louis B. Dubowicz, Edward A. Putnam, Norman King
  • High-pressure series arc discharge lamp construction
    Patent number: 5028845
    Abstract: A 1000 watt arc discharge arc tube assembly comprises two series connected side-by-side arc discharge tubes whose combined break down voltage in sufficient for a standard 2-5 kv starting pulse to simultaneously start both arc tubes without additional structure. A standard ballast, starter and fixture can be used with the arc tube assembly whose overall length is less than 300 millimeters. The lamps are spaced sufficiently apart to preclude detrimental heat transfer effects on one another and sufficiently close to act as a single source of light in standard fixtures normally employing lamps having a single discharge tube.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: July 2, 1991
    Assignee: North American Philips Corporation
    Inventors: Jagannathan Ravi, Kenneth E. Pearson, Jay J. Palmer, Ronald C. Marburger, John P. Dunn, Kent L. Collins, Dale E. Brabham, Kathleen P. Bernard, Herbert Bayne, John Alderman, Kris Aelterman
  • Arrangement for supporting two discharge tubes in one envelope
    Patent number: 4906888
    Abstract: A dual arc tube high pressure discharge lamp with a support frame connected to an electrical connector comprising a U-shaped piece of wire the axes of the legs of which are offset from the base so that the plane passing through the axes of the legs does not pass through the middle of the base of the wire.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: March 6, 1990
    Assignee: North American Philips Corporation
    Inventors: John P. Dunn, Kathleen P. Bernard
  • Sheet metal support for dual arc discharge lamps and method of making
    Patent number: 4868449
    Abstract: A dual arc tube high pressure discharge lamp with a locating element for one end of each discharge tube in which the locating element comprises an H-shaped piece of stamped metal with a leg of the H inserted in the tubular electrode assemblies of each of the dual arc tubes.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: September 19, 1989
    Assignee: North American Philips Corporation
    Inventors: John P. Dunn, Kathleen P. Bernard