Process to remove asphaltene from heavy oil by solvent
US-11248174-B2 · Feb 15, 2022 · US
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Operations & Transport
Operations & Transport · 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 | B01F7/008 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seed treater
US-2021378162-A1 · Dec 9, 2021 · US
Process to remove asphaltene from heavy oil by solvent
US-2021198582-A1 · Jul 1, 2021 · US
Mixing and foaming device
US-10898023-B2 · Jan 26, 2021 · US
Atomization device
US-2020222865-A1 · Jul 16, 2020 · US
Mixing device for preparing lithium composite transition metal oxide, lithium composite transition metal oxide prepared using the same, and method of preparing lithium composite transition metal oxide
US-10236503-B2 · Mar 19, 2019 · US
Reaction device for mixing and manufacturing method using the reaction device
US-10201797-B2 · Feb 12, 2019 · US
High-speed mixing reactor and application thereof
US-9138717-B2 · Sep 22, 2015 · US