Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/08: Flotation Subsequent treatment of concentrated product
B03D 1/08
Sub-Class
Stats
- 55 US PATENTS IN FORCE
- 13 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 190 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12251713 | Method for froth-controlled flotation of argillaceous lepidolite ore | Jul 24, 24 | Mar 18, 25 | KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY |
| 12162025 | Process of disposal in piles of tailings stemming from the iron ore processing method | May 13, 20 | Dec 10, 24 | VALE S.A. |
| 12005460 | Utilizing engineered media for recovery of minerals in tailings stream at the end of a flotation separation process | Aug 29, 22 | Jun 11, 24 | CiDRA CORPORATE SERVICES LLC |
| 11891522 | Process for manufacturing white pigment containing products | Feb 13, 17 | Feb 06, 24 | Omya International AG |
| 11801517 | Method for recovering gold in cyanide tailing by hierarchical ramified flotation | Feb 05, 21 | Oct 31, 23 | Gannan University of Science and Technology; Chongyi Zhangyuan Tungsten Co., Ltd.; |
| 11697126 | Granular litter cleaning apparatus and process | Nov 21, 19 | Jul 11, 23 | TECHNOLOGIE HOOLA ONE INC. |
| 11684932 | Vinasse treatment process by flotation in flow | Nov 19, 20 | Jun 27, 23 | DT ENGENHARIA DE EMPREENDIMENTOS LTDA |
| 11548013 | Flotation arrangement, its use, a plant and a method | Feb 15, 17 | Jan 10, 23 | Metso Outotec Finland Oy |
| 11517918 | Utilizing engineered media for recovery of minerals in tailings stream at the end of a flotation separation process | Nov 16, 16 | Dec 06, 22 | CiDRA CORPORATE SERVICES LLC |
| 11413622 | Apparatus for simultaneous grinding and froth flotation | Nov 24, 15 | Aug 16, 22 | Omya International AG |
| 11383249 | Washing treatment system and washing treatment method for contaminated soil | Jul 02, 20 | Jul 12, 22 | Shimizu Corporation |
| 11306015 | Treatment of sludges and flocculants using insoluble mineral colloidal suspensions | Mar 11, 20 | Apr 19, 22 | Heritage Research Group |
| 11247214 | High intensity conditioning prior to enhanced mineral separation process | Feb 28, 18 | Feb 15, 22 | CiDRA CORPORATE SERVICES LLC |
| 11180825 | Process for the depression of iron sulphides and other disposable elements in the concentration of mineral by flotation and electrochemical reactor | Aug 02, 17 | Nov 23, 21 | LAIN TECHNOLOGIES LTD |
| 11168218 | Process for manufacturing white pigment containing products | Feb 13, 17 | Nov 09, 21 | Omya International AG |
| 11060165 | Separation of copper and molybdenum sulfides from pyrite using a sea water/desalinated water hybrid process | Oct 04, 17 | Jul 13, 21 | CiDRA Corporate Services, Inc. |
| 11007540 | Hydrocyclone | Sep 02, 17 | May 18, 21 | Vulco S.A. |
| 10960408 | Flotation arrangement | Aug 08, 19 | Mar 30, 21 | OUTOTEC (FINLAND) OY |
| 10913075 | Flotation arrangement | Aug 09, 19 | Feb 09, 21 | OUTOTEC (FINLAND) OY |
| 10898904 | Flotation separation device | Nov 18, 19 | Jan 26, 21 | Eriez Manufacturing Co. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0043,389 | RECOVERING GOLD | Dec 16, 22 | Feb 06, 25 | Not available |
| 2024/0359,190 | Methods for Pollucite Flotation, Plagioclase Flotation, and Quartz Purification | Apr 09, 24 | Oct 31, 24 | Not available |
| 2024/0198,359 | IMPROVED FLOTATION AND SOLID-LIQUID SEPARATION OF TAILINGS | Apr 29, 22 | Jun 20, 24 | EXTRAKT PROCESS SOLUTIONS, LLC |
| 2024/0066,525 | RECOVERING VALUABLE MATERIAL | Mar 07, 22 | Feb 29, 24 | Not available |
| 2023/0365,867 | APPARATUS AND METHOD FOR REMOVING DEBRIS AND ENTRAPPED AIR FROM BITUMEN | Oct 06, 21 | Nov 16, 23 | HOCS Projects Inc. |
| 2022/0410,175 | RELEASE AGENT FOR IMPROVED REMOVAL OF VALUABLE MATERIAL FROM THE SURFACE OF AN ENGINEERED COLLECTION MEDIA | Dec 11, 20 | Dec 29, 22 | Not available |
| 2022/0001,395 | FLOTATION PROCESS FOR TREATING COAL SLIME BY USING SALT-CONTAINING WASTE WATER | Sep 20, 19 | Jan 06, 22 | Not available |
| 2021/0086,199 | USE OF NON OXIDANT BIOCIDE FOR THE SELECTIVE RECOVERY OF VALUABLE METALS IN A FROTH FLOTATION PROCESS | Jun 15, 18 | Mar 25, 21 | Not available |
| 2020/0061,636 | FLOTATION ARRANGEMENT | Aug 09, 19 | Feb 27, 20 | Not available |
| 2019/0329,268 | METHODS AND SYSTEMS FOR POLISHING AND RECOVERING ALUMINUM FROM A WASTE MATERIAL | Nov 29, 17 | Oct 31, 19 | Not available |
| 2018/0111,131 | REDUCING THE NEED FOR TAILINGS STORAGE DAMS IN THE IRON ORE INDUSTRY | Dec 15, 17 | Apr 26, 18 | Not available |
| 2017/0326,559 | REDUCING THE NEED FOR TAILINGS STORAGE DAMS IN MINERAL FLOTATION | Oct 21, 16 | Nov 16, 17 | ANGLO AMERICAN SERVICES (UK) LTD. |
| 2017/0312,759 | APPARATUS FOR SIMULTANEOUS GRINDING AND FROTH FLOTATION | Nov 24, 15 | Nov 02, 17 | OMYA INTERNATIONAL AG |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)