Patents by Inventor Karen B. Kowalczyk

Karen B. Kowalczyk 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).

  • Patent number: 6011226
    Abstract: An elastomeric switch case bezel fits tightly around a flange in the housing and has an internal bead that engages the switch rocker to seal it as the rocker moves between limit positions.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: January 4, 2000
    Assignee: Carlingswitch, Inc.
    Inventors: Walter A. Sadowski, Karen B. Kowalczyk
  • Patent number: 4970482
    Abstract: A compact circuit breaker utilizing an electronic trip unit for overcurrent determination contains a compact slot motor and a compact arc chute to minimize and control the arc that occurs when the circuit breaker fixed and movable contacts become separated upon intense overcurrent conditions. The fixed contact is arranged on a fixed contact arm that includes an arc runner for rapidly directing the arc into the arc chute. The arc chute includes a keying arrangement which cooperates with slots formed within the circuit breaker case interior sidewalls to orient the arc plates relative to the arc runner.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: November 13, 1990
    Assignee: General Electric Company
    Inventors: Linda Y. Jacobs, Karen B. Kowalczyk, Joseph M. Palmieri
  • Patent number: 4965418
    Abstract: A molded case circuit breaker enclosure cooperates with the current-limiting line strap to prevent the egress of ionized gases. The gases are generated by a high temperature arc which occurs when the contacts are separated under short circuit conditions.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: October 23, 1990
    Assignee: General Electric Company
    Inventors: David Arnold, Karen B. Kowalczyk
  • Patent number: 4963849
    Abstract: A compact circuit breaker utilizing an electronic trip unit for overcurrent determination contains a compact slot motor and a compact arc chute to minimize and control the arc that occurs when the circuit breaker contacts become separated upon intense overcurrent conditions.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: October 16, 1990
    Assignee: General Electric Company
    Inventors: Karen B. Kowalczyk, David Arnold, Roger N. Castonguay, Yuet-Ying Yu