Integrated process for the sustainable and autonomous co2-emission-free production of hydrogen and related system
US-2024200017-A1 · Jun 20, 2024 · US
Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12)
Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12) · 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 | C12M21/02 |
| Official title | {Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12)} |
| Display label | Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12) |
| Total patents | 393 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 37 |
| 2017 | 37 |
| 2018 | 31 |
| 2019 | 29 |
| 2020 | 52 |
| 2021 | 48 |
| 2022 | 31 |
| 2023 | 29 |
| 2024 | 35 |
| 2025 | 26 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reactor with plate-shaped catalytic membrane for direct conversion of microalgae into biofuels
US-2024026387-A1 · Jan 25, 2024 · US
Optimised method for breaking chlorella walls by mechanical crushing
US-2016376542-A1 · Dec 29, 2016 · US
Photobioreactor apparatus, method and application
US-9523070-B2 · Dec 20, 2016 · US
Optofluidic photobioreactor apparatus, method, and applications
US-9518248-B2 · Dec 13, 2016 · US
Hollow optical waveguide with openings, particularly for supplying a photobioreactor with light and nutrients
US-2016349426-A1 · Dec 1, 2016 · US
Improvements in the Synthesis of Phycocyanins
US-2016333059-A1 · Nov 17, 2016 · US
Dual-compartment bioreactor for use in wastewater treatment and algal production
US-9487748-B2 · Nov 8, 2016 · US
Culture device
US-9476023-B2 · Oct 25, 2016 · US
Flexible Bioreactor and Support Structure System
US-2016289620-A1 · Oct 6, 2016 · US
Method of vitally supporting microalgae in a flexible bioreactor
US-2016289629-A1 · Oct 6, 2016 · US
Method of assembling a flexible bioreactor
US-2016289621-A1 · Oct 6, 2016 · US
Flexible bioreactor and support structure method
US-2016289631-A1 · Oct 6, 2016 · US
Method of mixotrophic culturing of microalgae in a flexible bioreactor
US-2016289628-A1 · Oct 6, 2016 · US
Systems and methods for delivery of gases to algal cultures
US-9453193-B2 · Sep 27, 2016 · US
Aquaculture lighting devices and methods
US-9433194-B2 · Sep 6, 2016 · US
System and method for using a pulse flow circulation for algae cultivation
US-2016251608-A1 · Sep 1, 2016 · US
Chemical Substance Production System and Chemical Substance Production Method
US-2016215224-A1 · Jul 28, 2016 · US
Photobioreactor with laterally light-emitting light conductor mats
US-2016201020-A1 · Jul 14, 2016 · US
Method of manufacturing of a light emitting system with adjustable watt equivalence
US-9374985-B2 · Jun 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M21/02?
- CPC C12M21/02 is the Cooperative Patent Classification code for “Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12).”
- How many patents are filed under CPC C12M21/02 (Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12))?
- Our database includes 393 publications tagged with this CPC code.
- Is patent activity under CPC C12M21/02 growing?
- Publication counts under this code: 35 in 2024 vs 26 in 2025 (latest complete years).