Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/16: Flotation Flotation machines (devices for feeding measured quantities of reagents B01J 4/02 ) with impellers; Subaeration machines
B03D 1/16
Sub-Class
Stats
- 51 US PATENTS IN FORCE
- 5 US APPLICATIONS PENDING
- 16 Total Patent Owners
- 169 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12247997 | Froth bubble moving speed measuring device and method of measuring froth bubble moving speed, flotation apparatus and flotation method using same | Nov 16, 21 | Mar 11, 25 | Sumitomo Metal Mining Co. Ltd. |
| 12145159 | Flotation machine apparatus and method of using the same | Mar 22, 19 | Nov 19, 24 | FLSMIDTH A/S |
| 12097512 | System and method for saturation of a multicomponent medium with active microbubbles | Jun 16, 20 | Sep 24, 24 | FineFlot Inc. |
| 12070757 | Engulfed nano/micro bubbles for improved recovery of large particles in a flotation cell | Apr 19, 19 | Aug 27, 24 | International Business Machine Corporation |
| 12036563 | Process for separating mixtures of solids | Jan 31, 20 | Jul 16, 24 | SOLVAY SPECIALTY POLYMERS USA, LLC |
| 12011726 | Flotation line | Jul 20, 20 | Jun 18, 24 | METSO FINLAND OY |
| 11738353 | System and method of concentrating niobium ore | Apr 06, 18 | Aug 29, 23 | Taseko Mines Limited |
| 11554379 | Flotation line and a method | Jul 28, 17 | Jan 17, 23 | OUTOTEC (FINLAND) OY |
| 11413622 | Apparatus for simultaneous grinding and froth flotation | Nov 24, 15 | Aug 16, 22 | Omya International AG |
| 11185872 | Method for converting a naturally-aspirated flotation cell to a forced-gas flotation cell, and apparatus thereof | Nov 07, 18 | Nov 30, 21 | FLSmidth A/S |
| 11033909 | Froth flotation arrangement and a froth flotation method | Jul 04, 17 | Jun 15, 21 | OUTOTEC (FINLAND) OY |
| 10960409 | Method and apparatus for direct recovery of mineral values as a bubble-solids aggregate | Sep 18, 17 | Mar 30, 21 | 2678380 Ontario Inc. |
| 10898904 | Flotation separation device | Nov 18, 19 | Jan 26, 21 | Eriez Manufacturing Co. |
| 10882057 | Apparatus for direct recovery of mineral values as a bubble-solids aggregate | Aug 19, 19 | Jan 05, 21 | 2678380 Ontario Inc. |
| 10569308 | Material processing apparatus | Apr 07, 17 | Feb 25, 20 | CDE Global Limited |
| 10507472 | Method for constructing a flotation apparatus, flotation apparatus, method and system for flotation and use | Dec 15, 16 | Dec 17, 19 | OUTOTEC (FINLAND) OY |
| 10478830 | Flotation separation device and method | Dec 31, 14 | Nov 19, 19 | Eriez Manufacturing Co. |
| 10315202 | Engulfed nano/micro bubbles for improved recovery of large particles in a flotation cell | Jul 14, 15 | Jun 11, 19 | International Business Machine Corporation |
| 10137461 | Stator for flotation machines | Nov 06, 13 | Nov 27, 18 | FLSMIDTH A/S |
| 9981272 | Techniques for transporting synthetic beads or bubbles in a flotation cell or column | May 25, 12 | May 29, 18 | CiDRA Corporate Services, Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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 |
| 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 |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)