Patents Represented by Attorney Bond, Schoenock & King PLLC

Find this attorney in the Justia Lawyer Directory

  • Circuit protection device with half cycle self test
    Patent number: 6873158
    Abstract: A circuit protection device connected between two lines of an AC power source self checks for an introduced simulated ground fault every half cycle during a period when a trip SCR cannot conduct. If the self check fails, the device is tripped on the next half cycle of different phase. Possible responses to the self check failure include lighting an indicator lamp and locking out the device reset mechanism.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: March 29, 2005
    Assignee: Pass & Seymour, Inc.
    Inventor: Bruce F. Macbeth