ANTI-FOULING SYSTEM USING ENERGY COLLECTED FROM SALT WATER
COMPACT DISTRIBUTION TRAY FOR OFFSHORE GAS-LIQUID CONTACT COLUMNS
DEPTH-ACTIVATED SENSOR SWITCH AND METHOD OF SWITCHING IT OFF
DEVICE FOR ENERGY TRANSMISSION TO SELF-CONTAINED UNDERWATER VEHICLE
MOBILE DEVICE FOR COMPLEX WATER TREATMENT IN INDUSTRIAL WATER RESERVOIR
NAVIGATIONAL RADIOOPTICAL ANGLE REFLECTOR OF DIRECTIONAL ACTION WITH LIGHT-REFLECTING FACES