| 2025/0074,790 | ZERO LIQUID DISCHARGE EUTECTIC FREEZE DESALINATION WITH INTERMEDIATE COLD LIQUID | Nov 14, 24 | Mar 06, 25 | The Board of Regents of the University of Oklahoma |
| 2025/0074,806 | PRODUCED WATER DESALINATION WITH FRACTIONAL FREEZE CYCLES | Aug 28, 24 | Mar 06, 25 | Not available |
| 2025/0059,067 | Systems, Methods, and Compositions for Purifying Water | Aug 30, 24 | Feb 20, 25 | Battelle Memorial lnstitute |
| 2025/0042,774 | Passive Freezing Desalination Driven By Radiative Cooling | Apr 27, 23 | Feb 06, 25 | The Regents of the University of California |
| 2025/0019,263 | SEPARATING IONS IN WATER USING PLASTIC ICE VII | Jul 14, 23 | Jan 16, 25 | Not available |
| 2024/0425,387 | METHOD AND DEVICE FOR DESALINATING WATER | Nov 16, 22 | Dec 26, 24 | SEANERGY |
| 2024/0383,765 | PROCESS TO RECOVER AMMONIUM BICARBONATE FROM WASTEWATER | Dec 20, 23 | Nov 21, 24 | BION ENVIRONMENTAL TECHNOLOGIES, INC. |
| 2024/0254,020 | SYSTEMS AND METHODS FOR REMOVAL AND SEQUESTRATION OF ACIDITY FROM SURFACE SEAWATER | Mar 18, 24 | Aug 01, 24 | LONE GULL HOLDINGS, LTD. |
| 2024/0157,312 | SYSTEM AND METHOD FOR THE TREATMENT OF BIOGAS AND WASTEWATER | Jan 24, 24 | May 16, 24 | Not available |
| 2024/0124,327 | System and Method of Distilling/Desalinating Water in a Vacuum-Applied Centrifugal Multi-Phase Manner | Oct 17, 23 | Apr 18, 24 | Not available |
| 2024/0116,010 | A SYSTEM, METHOD AND GENERATOR FOR GENERATING NANOBUBBLES OR NANODROPLETS AT AMBIENT CONDITIONS | Apr 21, 20 | Apr 11, 24 | Not available |
| 2024/0083,776 | INTEGRATED THERMOACOUSTIC FREEZE DESALINATION SYSTEMS AND PROCESSES | Feb 18, 22 | Mar 14, 24 | Not available |
| 2024/0051,846 | HEAT EXCHANGER CAPABLE OF COOLING COOLANT OF EXTERNAL PLANT AND SEWAGE TREATMENT DEVICE COMPRISING SAME | Oct 26, 23 | Feb 15, 24 | BKT CO., LTD. |
| 2023/0382,768 | PURIFICATION METHOD FOR LANDFILL LEACHATE | Oct 25, 21 | Nov 30, 23 | Not available |
| 2023/0202,872 | METHOD AND APPARATUS FOR TREATING WASTEWATER USING NON-CHEMICAL PROCESS | Feb 17, 23 | Jun 29, 23 | The Research Foundation for the State University of New York |
| 2023/0002,250 | PROCESS FOR CONTROLLING OF THE TREATMENT OF WASTE FLUID GENERATED DURING A PETROCHEMICAL PROCESS USING AN INCINERATOR | Dec 14, 20 | Jan 05, 23 | Not available |
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| 2022/0371,918 | APPARATUS AND METHOD FOR CONTINUOUS SEPARATION OF SOLID PARTICLES FROM SOLID-LIQUID SLURRIES | May 20, 22 | Nov 24, 22 | The Board of Regents of the University of Oklahoma |
| 2022/0267,173 | SYSTEMS AND METHODS FOR SEPARATING SOLUBLE SOLUTIONS | May 12, 22 | Aug 25, 22 | Not available |