Patents Assigned to B.W.B. Controls, Inc. (Louisiana)
  • Boom warning actuator
    Patent number: 4535899
    Abstract: A fluid pressure--activated warning system for a crane comprising a plurality of signal device actuators each further comprising a valve spool, shiftable in response to a dangerous condition, and adapted to permit the emission of an alarm on the occurrence of such dangerous condition.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: August 20, 1985
    Assignee: B.W.B. Controls, Inc. (Louisiana)
    Inventor: Ned A. Bergeron