| 9975069 | Conveyor belt filter device | Jun 24, 14 | May 22, 18 | Not available |
| 9968872 | Cylindrical filter panel screen for a water intake | Jul 31, 12 | May 15, 18 | E. Beaudrey et Cie |
| 9957706 | Stormwater treatment system flow optimization | Feb 24, 14 | May 01, 18 | Baysaver Technologies, LLC |
| 9951509 | Water treatment system | Apr 04, 17 | Apr 24, 18 | Not available |
| 9932731 | Ring grit remover | Aug 11, 15 | Apr 03, 18 | Smith & Loveless, Inc. |
| 9909297 | Apparatus and method for separating a liquid from other substances | Dec 21, 15 | Mar 06, 18 | Tec-Kon Enterprises, LLC |
| 9908797 | Waste treatment system | Apr 17, 14 | Mar 06, 18 | EPIC CLEANTEC INC. |
| 9873069 | Wastewater lifting station | Jul 08, 14 | Jan 23, 18 | KSB AKTIENGESELLSCHAFT |
| 9822494 | Decorative grating and method of manufacturing the same | Nov 11, 16 | Nov 21, 17 | Ohio Gratings, Inc. |
| 9808748 | Conveyor belt filter device | Sep 22, 15 | Nov 07, 17 | Not available |
| 9809969 | Partitioned separator water treatment system with upflow filter | Nov 10, 14 | Nov 07, 17 | Bio Clean Environmental Services, Inc., BIOCLEAN ENVIRONMENTAL SERVICES, INC., |
| 9783945 | Rotary type dust removing machine | Dec 09, 14 | Oct 10, 17 | DEOKSAN ENGINEERING CO., LTD. |
| 9752600 | Energy dissipator and associated system for use in sumped flow-through manholes | May 29, 15 | Sep 05, 17 | MOMENTUM ENVIRONMENTAL, LLC |
| 9739047 | Non-point pollutant source treatment apparatus | Oct 16, 14 | Aug 22, 17 | Not available |
| 9688544 | Treatment device | May 20, 11 | Jun 27, 17 | HYDRO INTERNATIONAL PLC |
| 9662666 | Vortex-type grit chamber | May 09, 16 | May 30, 17 | SMITH & LOVELESS, INC. |
| 9663936 | Apparatus, methods, and system for treatment of stormwater and waste fluids | Sep 09, 14 | May 30, 17 | Storm Drain Technologies, LLC |
| 9624658 | Storm water filter and components thereof and methods of installation and use | Sep 16, 11 | Apr 18, 17 | EHL Limited |
| 9611635 | High efficiency water treatment process | Nov 12, 15 | Apr 04, 17 | Not available |
| 9604160 | Partitioned water treatment systems with vertical filtration units | Dec 31, 13 | Mar 28, 17 | Bio Clean Environmental Services, Inc., BIOCLEAN ENVIRONMENTAL SERVICES, INC., |