| 9915048 | Method for river/lake level regulation and water conservancy system | Dec 04, 13 | Mar 13, 18 | FENGHE YINGZAO GROUP, INC. |
| 9885161 | Method for limiting freshet levels and controlling floods | May 20, 14 | Feb 06, 18 | S.P.C.M. SA |
| 9840822 | Drain assisting water fixture | Aug 21, 15 | Dec 12, 17 | Not available |
| 9816239 | Fence footing | May 16, 14 | Nov 14, 17 | ERTEC ENVIRONMENTAL SYSTEMS LLC |
| 9816240 | Sediment suction sink and method for sediment control in rivers, streams, and channels | Sep 02, 15 | Nov 14, 17 | Not available |
| 9732491 | Water suppressor and sediment collection system for use in shallow and deeper water environments | Aug 08, 16 | Aug 15, 17 | Not available |
| 9725140 | Apparatus, system, and method for remediation of contamination | Dec 19, 14 | Aug 08, 17 | Air & Earth LLC |
| 9725862 | Submersible isolation enclosure apparatus | Feb 17, 16 | Aug 08, 17 | P-POD TECHNOLOGIES, LLC |
| 9649675 | In-situ capping with no loss of water depth | Jan 05, 15 | May 16, 17 | Not available |
| 9650751 | Method and device for deepening riverbeds and their cleaning from sediments | Feb 24, 15 | May 16, 17 | AL-FARABI KAZAKH NATIONAL UNIVERSITY, KAZAKH NATIONAL UNIVERSITY NAMED AFTER AL-FARABI MINISTRY OF EDUCATION AND SCIENCE OF KAZAKHSTAN, |
| 9644333 | Erosion control sediment barrier | Sep 05, 14 | May 09, 17 | Urethane Technology Company, Inc. |
| 9611607 | Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating | Apr 11, 12 | Apr 04, 17 | MJ2 TECHNOLOGIES |
| 9562350 | Double filtration tension frame sediment control filter | Oct 20, 14 | Feb 07, 17 | Not available |
| 9517957 | Facility for removal of materials and/or polluting substances contained in watercourses | Nov 21, 12 | Dec 13, 16 | Not available |
| 9476185 | Pond water diversion apparatus for flood control and prevention of castor infestation | Apr 21, 15 | Oct 25, 16 | Not available |
| 9410299 | Wave suppressor and sediment collection system for use in shallow and deeper water environments | Mar 24, 15 | Aug 09, 16 | Not available |
| 9400085 | Method, system, and apparatus for flood control | Dec 06, 13 | Jul 26, 16 | Not available |
| 9345993 | Cleaning apparatus for filtration layer in seawater infiltration intake | Aug 10, 12 | May 24, 16 | HITACHI ZOSEN CORPORATION, NAGAOKA CORPORATION, |
| 9340939 | Automatic adjustable valve | May 16, 13 | May 17, 16 | Hydroplus |
| 9284704 | Device and method for keeping channels clear of silt | Feb 07, 14 | Mar 15, 16 | Not available |