| 2023/0138,748 | PRE-FLOTATION HIGH EFFICIENCY SLURRY CONDITIONING DEVICE FOR WIDE-PARTICLE-GRADE FLOTATION | Nov 27, 20 | May 04, 23 | Not available |
| 2022/0258,179 | FLOTATION CELL | Jul 29, 19 | Aug 18, 22 | Metso Outotec Finland Oy |
| 2021/0387,206 | SYSTEM AND METHOD FOR SATURATION OF A MULTICOMPONENT MEDIUM WITH ACTIVE MICROBUBBLES | Jun 16, 20 | Dec 16, 21 | FineFlot Inc. |
| 2020/0086,329 | Flotation Separation Device | Nov 18, 19 | Mar 19, 20 | Eriez Manufacturing Co. |
| 2019/0366,355 | Apparatus For Direct Recovery of Mineral Values As A Bubble-Solids Aggregate | Aug 19, 19 | Dec 05, 19 | Not available |
| 2019/0275,536 | Method And Apparatus For Direct Recovery Of Mineral Values As A Bubble-Solids Aggregate | Sep 18, 17 | Sep 12, 19 | Not available |
| 2019/0126,292 | METHOD FOR CONSTRUCTING A FLOTATION APPARATUS, FLOTATION APPARATUS, METHOD AND SYSTEM FOR FLOTATION AND USE | Dec 15, 16 | May 02, 19 | Not available |
| 2017/0036,219 | METHODS AND APPARATUS FOR THE CONTINUOUS MONITORING OF WEAR IN FLOTATION CIRCUITS | Apr 10, 15 | Feb 09, 17 | Not available |
| 2015/0151,309 | Flotation Machine Rotor | May 08, 13 | Jun 04, 15 | VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY |
| 2015/0108,044 | Flotation Separation Device and Method | Dec 31, 14 | Apr 23, 15 | Not available |
| 2014/0001,103 | Flotation Machine Rotor | Jun 28, 12 | Jan 02, 14 | VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY |
| 2013/0180,895 | CONTROL METHOD OF A FLOTATION MACHINE THAT IS USED IN METALLURGICAL PROCESSES | Sep 26, 11 | Jul 18, 13 | OUTOTEC OYJ |
| 2013/0020,400 | FLOTATION MACHINE ROTOR | Mar 01, 11 | Jan 24, 13 | Not available |
| 2012/0061,298 | IMPROVED METHOD AND APPARATUS FOR FROTH FLOTATION IN A VESSEL WITH AGITATION | May 26, 09 | Mar 15, 12 | NEWCASTLE INNOVATION LIMITED |
| 2010/0051,516 | APPARATUS FOR REMOVING UNBURNED CARBON IN FLY ASH | Dec 26, 06 | Mar 04, 10 | MITSUI ENGINEERING & SHIPBUILDING CO., LTD. |
| 2010/0018,907 | EQUIPMENT AND METHOD FOR FLOTATING AND CLASSIFYING MINERAL SLURRY | Aug 30, 07 | Jan 28, 10 | OUTOTEC OYJ |
| 2008/0251,427 | Flotation Separation Device and Method | Apr 11, 08 | Oct 16, 08 | Eriez Manufacturing Co. |
| 2008/0063,523 | Rotor For A Flotation Machine | Oct 04, 05 | Mar 13, 08 | MICROSOFT CORPORATION, OUTOTEC OYJ, |
| 2004/0195,154 | Flotation machine | Feb 05, 04 | Oct 07, 04 | OUTOKUMPU OYJ |
| 2004/0112,799 | Flotation machine | Oct 01, 03 | Jun 17, 04 | OUTOTEC OYJ |