Method of cultivating algae and photobioreactor
US-11473051-B2 · Oct 18, 2022 · US
Means for providing, directing, scattering or concentrating light (C12M41/06 takes precedence)
Means for providing, directing, scattering or concentrating light (C12M41/06 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 | C12M31/00 |
| Official title | {Means for providing, directing, scattering or concentrating light (C12M41/06 takes precedence)} |
| Display label | Means for providing, directing, scattering or concentrating light (C12M41/06 takes precedence) |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 13 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sensor device and detection apparatus
US-11459537-B2 · Oct 4, 2022 · US
Improvements in and Relating to Sterilisation of Fluid-Guiding Elements for Bioprocessing Applications
US-2022265877-A1 · Aug 25, 2022 · US
Culture device
US-11421195-B2 · Aug 23, 2022 · US
Thermochromic sensing devices, systems, and methods
US-2022259545-A1 · Aug 18, 2022 · US
Process for microbial synthesis and an apparatus thereof
US-2022098537-A1 · Mar 31, 2022 · US
Treatment of a disease of the gastrointestinal tract with an immunosuppressant
US-2022071559-A1 · Mar 10, 2022 · US
Continuous monitoring of algae crops using minimum optical information
US-2021403854-A1 · Dec 30, 2021 · US
Drying suppression device and cell culture kit
US-2021284947-A1 · Sep 16, 2021 · US
Resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets
US-2021130212-A1 · May 6, 2021 · US
Photobioreactors, gas concentrators, and periodic surfaces
US-2021087506-A1 · Mar 25, 2021 · US
Method for detecting the presence or absence of biological particles
US-10865376-B2 · Dec 15, 2020 · US
Cell culture container, method for acquiring cells, and method for culturing cells
US-2020318053-A1 · Oct 8, 2020 · US
Observation system and observation method using the same
US-2020318058-A1 · Oct 8, 2020 · US
Method of cultivating algae and photobioreactor
US-2020270566-A1 · Aug 27, 2020 · US
Method for enhancement of productivity in microalgae
US-2020229365-A1 · Jul 23, 2020 · US
Culture device
US-2020224141-A1 · Jul 16, 2020 · US
Spectroscopy cell in or on an outer wall of a container and spectroscopy method
US-2020208094-A1 · Jul 2, 2020 · US
Method for determining undifferentiated state of pluripotent stem cell, method for subculturing pluripotent stem cell, and device for use in the methods
US-2020199529-A1 · Jun 25, 2020 · US
Photobioreactor
US-2020181557-A1 · Jun 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M31/00?
- CPC C12M31/00 is the Cooperative Patent Classification code for “Means for providing, directing, scattering or concentrating light (C12M41/06 takes precedence).”
- How many patents are filed under CPC C12M31/00 (Means for providing, directing, scattering or concentrating light (C12M41/06 takes precedence))?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC C12M31/00 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).