E03B 3/06

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9309653 Systems and methods for gathering waterDec 17, 13Apr 12, 16ELWHA LLC
8909485 Method of measuring pumping amount of groundwater by using water level fluctuation and water level measuring sensorAug 05, 11Dec 09, 14Korea Institute of Geoscience and Mineral Resource, KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES,
7096959 System and method for providing a renewable source of spring water for human consumptionFeb 10, 04Aug 29, 06Not available
6382237 Wide area water collection type underground water tankApr 26, 01May 07, 02Totetu Mfg. Co. Ltd.
5238326 Submerged breakwater for use as a perch for sand retentionApr 03, 92Aug 24, 93Not available