Non-dispersive process for oil recovery
US-9782726-B2 · Oct 10, 2017 · US
by extraction · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C11B3/006 |
| Official title | {by extraction} |
| Display label | by extraction |
| Total patents | 248 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 20 |
| 2017 | 22 |
| 2018 | 27 |
| 2019 | 27 |
| 2020 | 30 |
| 2021 | 16 |
| 2022 | 18 |
| 2023 | 21 |
| 2024 | 22 |
| 2025 | 12 |
| 2026 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9782726-B2 · Oct 10, 2017 · US
US-9765261-B2 · Sep 19, 2017 · US
US-2017239300-A1 · Aug 24, 2017 · US
US-9738851-B2 · Aug 22, 2017 · US
US-2017166837-A1 · Jun 15, 2017 · US
US-9644170-B2 · May 9, 2017 · US
US-2017107452-A1 · Apr 20, 2017 · US
US-2017088794-A1 · Mar 30, 2017 · US
US-2017066995-A1 · Mar 9, 2017 · US
US-9587178-B2 · Mar 7, 2017 · US
US-2017037320-A1 · Feb 9, 2017 · US
US-2017029731-A1 · Feb 2, 2017 · US
US-9512438-B2 · Dec 6, 2016 · US
US-2016338374-A1 · Nov 24, 2016 · US
US-9499829-B2 · Nov 22, 2016 · US
US-2016319203-A1 · Nov 3, 2016 · US
US-9481627-B2 · Nov 1, 2016 · US
US-9458410-B2 · Oct 4, 2016 · US
US-2016281026-A1 · Sep 29, 2016 · US
US-2016279173-A1 · Sep 29, 2016 · US
Answers are generated from the same data shown on this page.