| 2025/0114,800 | REMOVABLY ATTACHABLE SKIMMING MECHANISM | Oct 06, 23 | Apr 10, 25 | DHI - DALBO HOLDINGS, INC. & SUBSIDIARIES |
| 2025/0018,404 | SLURRY FEEDING ARRANGEMENT | Jul 14, 23 | Jan 16, 25 | METSO FINLAND OY |
| 2025/0018,405 | GUIDING ARRANGEMENT, FLOTATION CELL AND FLOTATION METHOD | Jul 14, 23 | Jan 16, 25 | METSO FINLAND OY |
| 2024/0417,283 | WATER TREATMENT DEVICE BASED ON MICRO-NANO BUBBLE TECHNOLOGY | Dec 07, 23 | Dec 19, 24 | Chongqing Academy of Eco-environmental sciences; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences; |
| 2024/0375,122 | APPARATUS AND METHOD FOR REAGENTIZING AND AERATING FEED TO FLOTATION MACHINES | Jul 28, 22 | Nov 14, 24 | Not available |
| 2024/0375,123 | MEMBRANE SPARGERS FOR GRAVITY SEPARATORS AND FLOTATION MACHINES | May 27, 22 | Nov 14, 24 | Not available |
| 2024/0367,180 | INCREASING FLOTATION RECOVERY AND THROUGHPUT | Sep 16, 22 | Nov 07, 24 | Not available |
| 2024/0343,611 | METHODS FOR DYNAMICALLY VARYING CHEMICAL ADDITIVE FLOWRATE TO TREAT WASTEWATER IN REAL TIME AND SYSTEMS FOR PERFORMING THE SAME | Nov 27, 23 | Oct 17, 24 | Not available |
| 2024/0261,800 | ROTOR OF GAS DISPERSION ARRANGEMENT | May 27, 22 | Aug 08, 24 | METSO FINLAND OY |
| 2024/0209,570 | PROCESS OF TRANSFORMING WASTE MATERIAL INTO USEFUL MATERIAL | Mar 11, 24 | Jun 27, 24 | Not available |
| 2023/0398,555 | FLOTATION CELL VORTEX STABILIZER | Oct 12, 21 | Dec 14, 23 | Not available |
| 2023/0398,554 | MICROFLOTATION SYSTEM FOR TREATING A BODY OF WATER | Oct 27, 21 | Dec 14, 23 | Not available |
| 2023/0211,358 | REACTOR SPARGER ASSEMBLY | May 27, 21 | Jul 06, 23 | SOLUGEN, INC. |
| 2023/0014,341 | A SENSOR FOR MONITORING FLOTATION RECOVERY | Dec 17, 20 | Jan 19, 23 | Not available |
| 2023/0020,934 | UTILIZING ENGINEERED MEDIA FOR RECOVERY OF MINERALS IN TAILINGS STREAM AT THE END OF A FLOTATION SEPARATION PROCESS | Aug 29, 22 | Jan 19, 23 | Not available |
| 2022/0362,785 | SEPARATOR APPARATUS AND FEED ARRANGEMENT FOR INCREASED CAPACITY | Jun 29, 20 | Nov 17, 22 | Not available |
| 2022/0258,179 | FLOTATION CELL | Jul 29, 19 | Aug 18, 22 | Metso Outotec Finland Oy |
| 2022/0258,178 | FLOTATION CELL | Jul 29, 19 | Aug 18, 22 | Metso Outotec Finland Oy |
| 2022/0176,387 | RECOVERING VALUABLE MATERIAL FROM AN ORE | Sep 15, 21 | Jun 09, 22 | Newcrest Mining Limited |
| 2022/0112,450 | METHOD FOR CONDITIONING AND PROCESSING WHOLE OR THIN STILLAGE TO AID IN THE SEPARATION AND RECOVERY OF PROTEIN AND OIL FRACTIONS | Oct 11, 21 | Apr 14, 22 | Not available |