Methods of making a hybrid crude oil using petroleum-based waste stream products
US-2024376315-A1 · Nov 14, 2024 · US
involving an extraction step
involving an extraction step · 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 | B09B3/80 |
| Official title | involving an extraction step |
| Display label | involving an extraction step |
| Total patents | 145 |
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 | 6 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 15 |
| 2023 | 31 |
| 2024 | 32 |
| 2025 | 31 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for low-temperature treatment of heavy metals and dioxins in fly ash
US-2023398587-A1 · Dec 14, 2023 · US
Processes for viscosity breaking of plastics
US-11802245-B1 · Oct 31, 2023 · US
Disassembly mechanism, disassembly system for power battery pack with disassembly mechanism and disassembly method of power battery pack
US-2023344031-A1 · Oct 26, 2023 · US
Method for producing mixed metal salt
US-2023312369-A1 · Oct 5, 2023 · US
Method for producing pulp fibres for saccharification, and aqueous solution of pulp fibres for saccharification
US-11773536-B2 · Oct 3, 2023 · US
Method for recovering lithium from lithium ion battery scrap
US-2023304130-A1 · Sep 28, 2023 · US
Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap
US-2023279522-A1 · Sep 7, 2023 · US
Device for recovering magnetic grains from sintered magnets or plastic magnets
US-2023272505-A1 · Aug 31, 2023 · US
Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap
US-11718895-B2 · Aug 8, 2023 · US
Method for recovering lithium from lithium ion battery scrap
US-11702719-B2 · Jul 18, 2023 · US
Method for treating solid hazardous heavy metal-containing compositions
US-2023218940-A1 · Jul 13, 2023 · US
Method for producing mixed metal solution and method for producing mixed metal salt
US-2023193422-A1 · Jun 22, 2023 · US
Chemical recycling of metal-containing plastics mixtures
US-2023183439-A1 · Jun 15, 2023 · US
Method for producing lithium hydroxide
US-2023132311-A1 · Apr 27, 2023 · US
Systems and methods for recovering landfill gas
US-11633767-B2 · Apr 25, 2023 · US
Method of pyrolysis for waste light-emitting electronic components and recovery for rare-earth element
US-2023067876-A1 · Mar 2, 2023 · US
Recycling all solid state battery technology
US-2023014961-A1 · Jan 19, 2023 · US
Method for recycling waste aramid-mica composite paper
US-2022340730-A1 · Oct 27, 2022 · US
Systems and methods for recovering landfill gas
US-2022324001-A1 · Oct 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B09B3/80?
- CPC B09B3/80 is the Cooperative Patent Classification code for “involving an extraction step.”
- How many patents are filed under CPC B09B3/80 (involving an extraction step)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC B09B3/80 growing?
- Publication counts under this code: 32 in 2024 vs 31 in 2025 (latest complete years).