Response waveform characterization of geophysical data

Retractable sensor array system

Retrievable volumetric/planar acoustic array apparatus

Retriever for a seismic streamer cable

Retroreflector apparatus for remote seismic sensing

Reverberation backscatter measurement system

Reversible fish finder apparatus

Rib stiffened sound wave projector plate

Ribbon splicing method and apparatus

Ribbon termination member

Rigid foraminous microphone probe for acoustic measurement in tu

Rigid sting extension for ocean turbulence measurement from...

Ring-shell projector

Robust and intelligent bearing estimation

Rod-type multipole source for acoustic well logging

Rod-type multipole source(for) and receiver for acoustic well lo

Rodent control by sound waves

Rodent control device

Rodent repelling device

Rodent-repelling device