Patents Examined by Michael Friedhaffer
  • Electrical contactor with positive temperature coefficient resistivity element
    Patent number: 6958671
    Abstract: The present invention provides an electrical contactor for connecting and disconnecting an electrical power source to an electrical device wherein the electrical power source is electrically connected to a line terminal having a line terminal electrical contact and the electrical device is electrically connected to a load terminal electrical contact. The electrical contactor contains a plurality of electrical contacts which contact the line and load terminal electrical contacts.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: October 25, 2005
    Assignee: Square D Company
    Inventors: William Weizhong Chen, R. Kent Crawford