Patents Assigned to Benfell's Limited
  • Protective beacon
    Patent number: 6809651
    Abstract: A portable beacon (8) for deterring damaging access to a deactivatable hazard comprises means for deactivating the hazard in the event of actual or impending damaging access to the hazard, deterrence means (12) and sensors (13, 23, 24) for sensing when damaging access is impending or actually occurring.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: October 26, 2004
    Assignee: Benfell's Limited
    Inventor: Michael Leigh