Food Materials Comprising Filamentous Fungal Particles and Membrane Bioreactor Design
US-2024041084-A1 · Feb 8, 2024 · US
Gas permeable parts
Gas permeable parts · 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 | C12M23/24 |
| Official title | {Gas permeable parts} |
| Display label | Gas permeable parts |
| Total patents | 413 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 27 |
| 2017 | 26 |
| 2018 | 27 |
| 2019 | 26 |
| 2020 | 27 |
| 2021 | 50 |
| 2022 | 53 |
| 2023 | 48 |
| 2024 | 67 |
| 2025 | 33 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multilayered cell culture apparatus
US-2017362554-A1 · Dec 21, 2017 · US
Multilayered cell culture apparatus
US-9845451-B2 · Dec 19, 2017 · US
Devices and methods for generation and culture of 3d cell aggregates
US-2017342363-A1 · Nov 30, 2017 · US
Stacked Membrane Bioreactor
US-2017321180-A1 · Nov 9, 2017 · US
Device and Method for Bacterial Culture and Assay
US-2017253904-A1 · Sep 7, 2017 · US
Magnetic three-dimensional cell culture apparatus and method
US-9752139-B2 · Sep 5, 2017 · US
Gas spargers and related container systems
US-2017246603-A1 · Aug 31, 2017 · US
Cell culture substrate comprising fluorine-containing polymer on its surface
US-2017175078-A1 · Jun 22, 2017 · US
Cell culture bag, cell culture apparatus, and cell culture container
US-2017158996-A1 · Jun 8, 2017 · US
Devices, systems and methods for automated cell culturing
US-2017088810-A1 · Mar 30, 2017 · US
Cell culture method and cell culture device
US-2017073626-A1 · Mar 16, 2017 · US
Multi-chamber culture vessel and cell culturing method
US-2017051238-A1 · Feb 23, 2017 · US
Culture container
US-2017051241-A1 · Feb 23, 2017 · US
Animal cell culture medium and culture container
US-2017022477-A1 · Jan 26, 2017 · US
Gas spargers and related container systems
US-2017001160-A1 · Jan 5, 2017 · US
Cell culture container
US-2016355773-A1 · Dec 8, 2016 · US
Culturing station for microfluidic device
US-2016340632-A1 · Nov 24, 2016 · US
Microfluidic Cell Culture Systems
US-2016333298-A1 · Nov 17, 2016 · US
Dual-compartment bioreactor for use in wastewater treatment and algal production
US-9487748-B2 · Nov 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M23/24?
- CPC C12M23/24 is the Cooperative Patent Classification code for “Gas permeable parts.”
- How many patents are filed under CPC C12M23/24 (Gas permeable parts)?
- Our database includes 413 publications tagged with this CPC code.
- Is patent activity under CPC C12M23/24 growing?
- Publication counts under this code: 67 in 2024 vs 33 in 2025 (latest complete years).