Systems and methods for perfusion control in bioreactors
US-2025368938-A1 · Dec 4, 2025 · US
Percolation
Percolation · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C12M29/02 |
| Official title | {Percolation} |
| Display label | Percolation |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bioprocessing installation
US-12441975-B2 · Oct 14, 2025 · US
Process and device for the production of methane
US-12435344-B2 · Oct 7, 2025 · US
Culture apparatus
US-2025066705-A1 · Feb 27, 2025 · US
Bioreactor apparatus and system
US-2024034979-A1 · Feb 1, 2024 · US
Anaerobic digestion device based on self-sustained air flotation
US-11618872-B2 · Apr 4, 2023 · US
Device for liquid processing in cell culture process
US-2022411742-A1 · Dec 29, 2022 · US
Systems and methods for perfusion control in bioreactors
US-2022372422-A1 · Nov 24, 2022 · US
Process and device for the production of methane
US-2022195466-A1 · Jun 23, 2022 · US
Apparatus and method for enhancing anaerobic digestion based on the coupling of electron transfer with microbial electrolytic cell
US-2022135929-A1 · May 5, 2022 · US
Anaerobic digestion device based on self-sustained air flotation
US-2022119746-A1 · Apr 21, 2022 · US
Bioprocessing installation
US-2022002656-A1 · Jan 6, 2022 · US
Cell culture apparatus
US-11174457-B2 · Nov 16, 2021 · US
Systems and methods for thermal management of outdoor algae cultivation
US-2021144944-A1 · May 20, 2021 · US
Multiple tank high solids anaerobic digester
US-2021079429-A1 · Mar 18, 2021 · US
Multiple tank high solids anaerobic digester
US-10829788-B2 · Nov 10, 2020 · US
Cell culture apparatus
US-2019376015-A1 · Dec 12, 2019 · US
Organ on chip integration and applications of the same
US-10119622-B2 · Nov 6, 2018 · US
System and method for decomposing municipal solid waste (MSW) under anaerobic conditions
US-10071403-B2 · Sep 11, 2018 · US
Organ on chip integration and applications of the same
US-2018080570-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M29/02?
- CPC C12M29/02 is the Cooperative Patent Classification code for “Percolation.”
- How many patents are filed under CPC C12M29/02 (Percolation)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C12M29/02 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).