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| 9981272 | Techniques for transporting synthetic beads or bubbles in a flotation cell or column | May 25, 12 | May 29, 18 | CiDRA Corporate Services, Inc. |
| 9981864 | Oily water separator, oil-water separating method and filtration membrane unit | Nov 14, 14 | May 29, 18 | Toyo Engineering Corporation |
| 9975793 | Removing carbon nanotubes from a water system | Apr 10, 13 | May 22, 18 | ExxonMobil Upstream Research Company; Solid Carbon Products LLC; |
| 9976193 | Purification processes | Dec 19, 14 | May 22, 18 | T&L SUGARS LIMITED |
| 9969638 | Water treatment systems and associated methods | Aug 05, 14 | May 15, 18 | Gradiant Corporation |
| 9962631 | Effluent weir system | Jul 17, 14 | May 08, 18 | Not available |
| 9957182 | Method for treating water containing organic matter using ion exchange and ballasted flocculation | Dec 04, 15 | May 01, 18 | VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT |
| 9950281 | Apparatus and method for separation of hydrocarbons from hydrocarbon-containing produced water | Nov 28, 12 | Apr 24, 18 | Cameron International Corporation |
| 9943860 | Mineral recovery in tailings using functionalized polymers | May 25, 12 | Apr 17, 18 | CiDRA Corporate Services, Inc. |
| 9938164 | Hydrocarbon-water separator | May 12, 16 | Apr 10, 18 | Stauper Offshore AS |
| 9914136 | Process for reducing soluble organic content in produced waters associated with the recovery of oil and gas | Jul 22, 13 | Mar 13, 18 | 1257 122 Alberta Ltd., 1257122 ALBERTA LTD., AQUERO COMPANY, LLC, |
| 9908802 | Method and device for treating an organic effluent | Nov 27, 14 | Mar 06, 18 | OREGE |
| 9896363 | Moving bed biofilm reactor for waste water treatment system | Mar 30, 16 | Feb 20, 18 | HEADWORKS BIO INC. |
| 9896348 | Nanoflotation | Oct 05, 12 | Feb 20, 18 | 643096 ALBERTA LIMITED |
| 9890061 | Compositions and methods for selective anion removal | Oct 05, 15 | Feb 13, 18 | CHEMTREAT, INC. |
| 9890058 | Dissolved air flotation desludging in liquid treatment | Apr 14, 15 | Feb 13, 18 | Not available |
| 9890059 | Gas flotation tank | Aug 08, 14 | Feb 13, 18 | EXTERRAN WATER SOLUTIONS ULC |
| 9878268 | Phase separation tank | Sep 08, 14 | Jan 30, 18 | EXTERRAN WATER SOLUTIONS ULC |