Rolled adherent cell culture substrates for uniform flow in fixed bed reactors
US-2026035646-A1 · Feb 5, 2026 · US
Fixed or packed bed
Fixed or packed bed · 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 | C12M25/18 |
| Official title | {Fixed or packed bed} |
| Display label | Fixed or packed bed |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 18 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and methods for t-cell separation, activation, transduction and expansion
US-2025340839-A1 · Nov 6, 2025 · US
Three-dimensional bioreactors with particle-facilitated antibody coatings
US-2025327010-A1 · Oct 23, 2025 · US
Leveling system for a bioreactor system
US-2025270489-A1 · Aug 28, 2025 · US
Microbial chain elongation system with pretreatment and carriers for the recovery of casein and medium chain fatty acids from organic biomass
US-2025270611-A1 · Aug 28, 2025 · US
Cell-based meat products and cell biomasses with cells cultivated in a filter cake
US-12344828-B2 · Jul 1, 2025 · US
Cell culture sampling from fixed bed bioreactor methods and apparatus
US-2025027021-A1 · Jan 23, 2025 · US
Fixed bed bioreactor and methods of using the same
US-2025027018-A1 · Jan 23, 2025 · US
Cell culture sampling substrate for fixed bed reactor
US-2024368516-A1 · Nov 7, 2024 · US
Apparatus
US-12134757-B2 · Nov 5, 2024 · US
Polystyrene coated cell culture substrates, fixed bed bioreactors, and related methods
US-2024360395-A1 · Oct 31, 2024 · US
Systems and methods of impedance-based biomass sensing in fixed bed bioreactors
US-2024360397-A1 · Oct 31, 2024 · US
Uniform cell culture substrate for fixed bed bioreactor
US-2024344008-A1 · Oct 17, 2024 · US
Fixed bed bioreactor and methods of using the same
US-12116556-B2 · Oct 15, 2024 · US
Uniform cell culture substrate for fixed bed bioreactor
US-2024336885-A1 · Oct 10, 2024 · US
Cell treatment system, cell treatment method, and learning data creation method
US-2024301342-A1 · Sep 12, 2024 · US
Rolled cell culture substrates for fixed bed bioreactors with controlled perfusion zones
US-2024287431-A1 · Aug 29, 2024 · US
Fixed bed bioreactor for cell culture and harvesting and related methods
US-2024254421-A1 · Aug 1, 2024 · US
Systems and methods for monitoring packed-bed cell culture
US-2024228940-A1 · Jul 11, 2024 · US
Cell-based meat products and cell biomasses with cells cultivated in a filter cake
US-2024117287-A1 · Apr 11, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M25/18?
- CPC C12M25/18 is the Cooperative Patent Classification code for “Fixed or packed bed.”
- How many patents are filed under CPC C12M25/18 (Fixed or packed bed)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C12M25/18 growing?
- Publication counts under this code: 18 in 2024 vs 7 in 2025 (latest complete years).