Acoustic transducer mounting clamp
Apparatus and method for geophone sensor string placement
Control for guiding a boring tool
Horn loaded transducer for acoustic levitation
Hydro-acoustic device for warning sea mammals
Method and a system for counteracting marine biologic fouling of
Method and apparatus for measuring the acoustic velocity
Method and installation for acousto-optic imaging
Reinforcing device in the inner portion of seismic cables
Ribbon splicing method and apparatus
Siren
Sonar projector with liquid mass loading for operation at lower
Streamline seismic streamer-cable casing
Termination apparatus for a marine streamer employing a flexible
Thrust producing apparatus
Ultrasonic systems
Ultrasonic waveguide
Variable depth sonar line handling system