Methods and devices for generating chemical and gaseous gradients in microfluidic platforms
US-11753613-B2 · Sep 12, 2023 · US
Means for collection or storage of gas; Gas holders
Means for collection or storage of gas; Gas holders · 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 | C12M23/36 |
| Official title | {Means for collection or storage of gas; Gas holders} |
| Display label | Means for collection or storage of gas; Gas holders |
| Total patents | 85 |
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 | 9 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methane generating device
US-2023137328-A1 · May 4, 2023 · US
Methods and systems for using encapsulated microbubbles to process biological samples
US-2023111075-A1 · Apr 13, 2023 · US
Device for producing biogas with high methane content by utilizing livestock and poultry feces
US-11608482-B2 · Mar 21, 2023 · US
Three-Vessel Reactor System for Producing Microbial Biosurfactants and Other Metabolites
US-2022364126-A1 · Nov 17, 2022 · US
Digester cover left-in-place ballast ring
US-11498752-B2 · Nov 15, 2022 · US
Methods and systems for using encapsulated microbubbles to process biological samples
US-11485994-B2 · Nov 1, 2022 · US
Systems and methods for removing methane from a gas stream
US-2022315875-A1 · Oct 6, 2022 · US
Culture systems and methods of using same
US-2022259533-A1 · Aug 18, 2022 · US
Culture container for culturing epithelial cells and use thereof
US-2022220427-A1 · Jul 14, 2022 · US
Greenhouse gas improved fermentation
US-2022169967-A1 · Jun 2, 2022 · US
Culture systems and methods of using same
US-11339360-B2 · May 24, 2022 · US
Anaerobic digestion device based on self-sustained air flotation
US-2022119746-A1 · Apr 21, 2022 · US
Gas Collection Device
US-2022002648-A1 · Jan 6, 2022 · US
Bioprocessing installation
US-2022002656-A1 · Jan 6, 2022 · US
Gas Collection Device
US-2022002647-A1 · Jan 6, 2022 · US
Method for the culture of photosynthetic organisms using a CO2 source
US-11203736-B2 · Dec 21, 2021 · US
System for high-value utilization of organic solid waste
US-11193104-B2 · Dec 7, 2021 · US
Recovery of methane from solid digestates
US-2021363550-A1 · Nov 25, 2021 · US
Biogas sampling apparatus
US-11181513-B2 · Nov 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M23/36?
- CPC C12M23/36 is the Cooperative Patent Classification code for “Means for collection or storage of gas; Gas holders.”
- How many patents are filed under CPC C12M23/36 (Means for collection or storage of gas; Gas holders)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC C12M23/36 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).