Culture device and culture method
US-12545885-B2 · Feb 10, 2026 · US
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Draft tube (C12M29/08 takes precedence)
Draft tube (C12M29/08 takes precedence) · 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 | C12M27/24 |
| Official title | {Draft tube (C12M29/08 takes precedence)} |
| Display label | Draft tube (C12M29/08 takes precedence) |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Culturing method and culturing device
US-12522796-B2 · Jan 13, 2026 · US
Bioprocessing vessel having integral fluid conduit
US-2024018453-A1 · Jan 18, 2024 · US
Fixed bed bioreactor vessel and methods of using the same
US-2023348834-A1 · Nov 2, 2023 · US
Culture device and culture method
US-2023159884-A1 · May 25, 2023 · US
Cell culture device
US-2022403307-A1 · Dec 22, 2022 · US
Culturing method and culturing device
US-2022312705-A1 · Oct 6, 2022 · US
Improvements in and relating to the monitoring of cell expansion
US-2022298465-A1 · Sep 22, 2022 · US
C1 substrate-fed fermentation systems and methods for producing C4 compounds
US-10889793-B2 · Jan 12, 2021 · US
Monitoring of Cell Expansion
US-2020392448-A1 · Dec 17, 2020 · US
Methods and devices for performing reactions
US-10745305-B2 · Aug 18, 2020 · US
Reaction device with air-lift type internal circulation
US-10661232-B2 · May 26, 2020 · US
Gas-fed fermentation systems
US-10501714-B2 · Dec 10, 2019 · US
Gas Stirring Fermentation Device
US-2018327705-A1 · Nov 15, 2018 · US
Reaction device with air-lift type internal circulation and fermentation process using said device
US-2018185794-A1 · Jul 5, 2018 · US
Methods and devices for performing reactions
US-2018186669-A1 · Jul 5, 2018 · US
Airlift Reactor Assembly with Helical Sieve Plate
US-2018119083-A1 · May 3, 2018 · US
Bioreactor
US-9930842-B2 · Apr 3, 2018 · US
Method for examining microorganisms and examination apparatus for microorganisms
US-9915601-B2 · Mar 13, 2018 · US
Reaction device with air-lift type internal circulation
US-2017326507-A1 · Nov 16, 2017 · US