Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/10: Flotation Subsequent treatment of concentrated product Removing adhering liquid from separated materials
B03D 1/10
Sub-Class
Stats
- 11 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 3 Total Patent Owners
- 50 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12162025 | Process of disposal in piles of tailings stemming from the iron ore processing method | May 13, 20 | Dec 10, 24 | VALE S.A. |
| 12036563 | Process for separating mixtures of solids | Jan 31, 20 | Jul 16, 24 | SOLVAY SPECIALTY POLYMERS USA, LLC |
| 11590514 | Collectors for treating tailings | Oct 25, 19 | Feb 28, 23 | Syncrude Canada Ltd. |
| 10864528 | Reducing the need for tailings storage dams in the iron ore industry | Dec 15, 17 | Dec 15, 20 | ANGLO AMERICAN SERVICES (UK) LTD. |
| 10758919 | Reducing the need for tailings storage dams in mineral flotation | Oct 21, 16 | Sep 01, 20 | ANGLO AMERICAN SERVICES (UK) LTD. |
| 10711200 | Nanobubble aided bitumen extraction from oil sand | Jan 22, 18 | Jul 14, 20 | Syncrude Canada Ltd. in trust for the owners of the Syncrude Project as such owners exist now and in the future |
| RE47268 | Separation of biocomponents from DDGS | Nov 16, 16 | Mar 05, 19 | Not available |
| 9296953 | Apparatus and methods for removing hydrocarbons and other adherents from sand | Jul 08, 11 | Mar 29, 16 | M-I DRILLING FLUIDS CANADA, INC. |
| 9051538 | Separation of biocomponents from DDGS | Oct 20, 14 | Jun 09, 15 | Not available |
| 6685027 | Method of concentrating phosphates from their ores | Aug 09, 01 | Feb 03, 04 | ARR-MAZ PRODUCTS, L.P. |
| 5223148 | Process for increasing the bitumen content of oil sands froth | Nov 12, 91 | Jun 29, 93 | Oslo Alberta Limited |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2021/0031,214 | Method and system for separating a precipitate from a liquid | Mar 25, 19 | Feb 04, 21 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)