129170 ⎘
Methods or installations for obtaining or collecting drinking water or tap water Other devices for confining, e.g. trenches, drainage
SYSTEMS AND METHODS FOR PROVIDING A WATER SUPPLY THROUGH IN-SITU WATER COLLECTION
#2Desert water generation theory and its principle application
#3SYSTEM FOR SOLAR AND RAINWATER HARVESTING IN OPEN SPACES
#4SYSTEMS AND METHODS FOR GATHERING WATER
#5Water-storage and water-purification system
#6Two-concentric pipe system to heat fluids using the earth's interior thermal energy (deep)
#7System of water collecting, cleaning, and storing
#8VENTILATION OF UNDERGROUND POROSITY STORAGE RESERVOIRS
#9Flood water retention assembly