Non-aqueous extraction of bitumen from oil sands
US-2023159833-A1 · May 25, 2023 · US
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specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B03B9/02 |
| Official title | specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like |
| Display label | specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Froth flotation process and froth stability
US-2023129507-A1 · Apr 27, 2023 · US
Removal of sand impurities in wet processing
US-11613496-B2 · Mar 28, 2023 · US
Re-wetting treatment of dry tailings produced by an oil sands solvent extraction process
US-2023037003-A1 · Feb 2, 2023 · US
Removal of sand impurities in wet processing
US-2022380246-A1 · Dec 1, 2022 · US
Non-aqueous extraction of bitumen from oil sands
US-11512256-B2 · Nov 29, 2022 · US
Dense-medium separation process for oil shale
US-2021276018-A1 · Sep 9, 2021 · US
Non-aqueous extraction of bitumen from oil sands
US-2021047569-A1 · Feb 18, 2021 · US
Diluted bitumen fine water droplets capture
US-2021040394-A1 · Feb 11, 2021 · US
Modular quality improvement process and quality improvement system for high density coal measures oil shale
US-10875055-B2 · Dec 29, 2020 · US
Nanobubble aided bitumen extraction from oil sand
US-10711200-B2 · Jul 14, 2020 · US
Reduced velocity tailings distributor
US-2020197951-A1 · Jun 25, 2020 · US
Treatment of tailings with flue-gas desulfurization solids
US-2020156083-A1 · May 21, 2020 · US
Modular quality improvement process and quality improvement system for high density coal measures oil shale
US-2020130018-A1 · Apr 30, 2020 · US
Method for processing weathered oil sand ore
US-2019055475-A1 · Feb 21, 2019 · US
Nanobubble aided bitumen extraction from oil sand
US-2018208854-A1 · Jul 26, 2018 · US
Modular material processing apparatus
US-2016114334-A1 · Apr 28, 2016 · US
Method for treating oil sands and device for implementing such a method
US-2016108320-A1 · Apr 21, 2016 · US
Mobile oil sands mining system
US-9016799-B2 · Apr 28, 2015 · US
System, apparatus and process for extraction of bitumen from oil sands
US-8968579-B2 · Mar 3, 2015 · US