Impeller and sparger assemblies for a bioprocessing system
US-12589366-B2 · Mar 31, 2026 · US
with introduction of gas through the stirrer or mixing element
with introduction of gas through the stirrer or mixing element · 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 | C12M27/04 |
| Official title | {with introduction of gas through the stirrer or mixing element} |
| Display label | with introduction of gas through the stirrer or mixing element |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Impeller assembly for a bioprocessing system
US-2025340813-A1 · Nov 6, 2025 · US
Biopharmaceutical liquid reservoir with mechanical member including rotating and stationary sets of parts
US-12428614-B2 · Sep 30, 2025 · US
A closure for a bioreactor
US-2025257303-A1 · Aug 14, 2025 · US
Integral gas-introduction and stirring unit for gas-liquid reactors
US-12319900-B2 · Jun 3, 2025 · US
Culture device
US-2024263112-A1 · Aug 8, 2024 · US
Sterile sensor insertion
US-2024117289-A1 · Apr 11, 2024 · US
Respirator, measurement device and measuring method for measuring respiratory rate of biofilm
US-11834645-B2 · Dec 5, 2023 · US
Cell Culture System
US-2023348832-A1 · Nov 2, 2023 · US
Gas-fed fermentation reactors, systems and processes utilizing a vertical flow zone
US-11795428-B2 · Oct 24, 2023 · US
Method of manipulating organism and device for manipulating organism
US-2023332090-A1 · Oct 19, 2023 · US
Culturing method and culturing device
US-2023309478-A1 · Oct 5, 2023 · US
Bioreactor with integrated flue gas distribution
US-11718818-B2 · Aug 8, 2023 · US
Integral gas-introduction and stirring unit for gas-liquid reactors
US-2023087461-A1 · Mar 23, 2023 · US
Gas mixer and pressure apparatus
US-11597899-B2 · Mar 7, 2023 · US
Method for manufacturing fermentation products, and sensor device used for same
US-2022315966-A1 · Oct 6, 2022 · US
Biopharmaceutical liquid reservoir with mechanical member including rotating and stationary sets of parts
US-2022049201-A1 · Feb 17, 2022 · US
Impeller and Sparger Assemblies for a Bioprocessing System
US-2022023807-A1 · Jan 27, 2022 · US
Organoid culture system and method for sterilising an organoid culture system
US-2021222108-A1 · Jul 22, 2021 · US
Respirator, measurement device and measuring method for measuring respiratory rate of biofilm
US-2021222113-A1 · Jul 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M27/04?
- CPC C12M27/04 is the Cooperative Patent Classification code for “with introduction of gas through the stirrer or mixing element.”
- How many patents are filed under CPC C12M27/04 (with introduction of gas through the stirrer or mixing element)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C12M27/04 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).