Anaerobic digestion of at least one stillage composition, and related systems
US-2025197893-A1 · Jun 19, 2025 · US
Phase separators; Separation of non fermentable material; Fractionation
Phase separators; Separation of non fermentable material; Fractionation · 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 | C12M45/04 |
| Official title | {Phase separators; Separation of non fermentable material; Fractionation} |
| Display label | Phase separators; Separation of non fermentable material; Fractionation |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 3 |
| 2017 | 10 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas-fed fermentation reactors, systems and processes
US-12116563-B2 · Oct 15, 2024 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-2024228942-A1 · Jul 11, 2024 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-11939567-B2 · Mar 26, 2024 · US
Anaerobic digestion device for organic solid waste based on uncoupling of hydraulic retention time (HRT) from sludge retention time (SRT)
US-2024025782-A1 · Jan 25, 2024 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-11572539-B2 · Feb 7, 2023 · US
Gas-fed fermentation reactors, systems and processes
US-2022259548-A1 · Aug 18, 2022 · US
Gas-fed fermentation reactors, systems and processes
US-11332706-B2 · May 17, 2022 · US
Method for cleaning a reactor for processing a lignocellulosic biomass
US-2022145232-A1 · May 12, 2022 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-2022049207-A1 · Feb 17, 2022 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-2021261906-A1 · Aug 26, 2021 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-11034930-B2 · Jun 15, 2021 · US
Extraction Method, Extraction Apparatus, Production Method, and Production Apparatus for Object Component
US-2020339940-A1 · Oct 29, 2020 · US
Hybrid separation
US-10774303-B2 · Sep 15, 2020 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-2020263123-A1 · Aug 20, 2020 · US
Gas-fed fermentation reactors, systems and processes utilizing gas/liquid separation vessels
US-10689610-B2 · Jun 23, 2020 · US
Gas-fed fermentation reactors, systems and processes
US-2020172853-A1 · Jun 4, 2020 · US
Gas-fed fermentation reactors, systems and processes
US-10570364-B2 · Feb 25, 2020 · US
Gas-fed fermentation reactors, systems and processes
US-10538730-B2 · Jan 21, 2020 · US
System for the treatment of biomass
US-10533203-B2 · Jan 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12M45/04?
- CPC C12M45/04 is the Cooperative Patent Classification code for “Phase separators; Separation of non fermentable material; Fractionation.”
- How many patents are filed under CPC C12M45/04 (Phase separators; Separation of non fermentable material; Fractionation)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C12M45/04 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).