Patents Assigned to Bohley's Diving Service, Inc.
  • Self-orienting pipe inspection apparatus and method
    Patent number: 5287133
    Abstract: A device for photographing the interior of pipelines is disclosed. The device deposited at the pipeline's inlet and is drawn through the pipeline by fluid flow. The combination of a ballast device and a floatation device and a rudder maintain the device in proper orientation. The device is untethered and is powered by a battery carried in the vessel. A control circuit permits a time delay before operating the camera and lights.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: February 15, 1994
    Assignee: Bohley's Diving Service, Inc.
    Inventor: David C. Bohley