Reducing the environmental impact of farming using biochar
US-12178910-B2 · Dec 31, 2024 · US
Fertilisers from human or animal excrements, e.g. manure
Fertilisers from human or animal excrements, e.g. manure · 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 | C05F3/00 |
| Official title | Fertilisers from human or animal excrements, e.g. manure |
| Display label | Fertilisers from human or animal excrements, e.g. manure |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 13 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resource-circulation-type and eco-friendly livestock manure treatment method using algal biomass, and system for producing algal biomass used therein
US-2024158273-A1 · May 16, 2024 · US
Methods and Compositions for Reducing Deleterious Enteric Atmospheric Gases in Livestock
US-2024099332-A1 · Mar 28, 2024 · US
System and method for recovering nutrients from a high nitrogenous liquid waste
US-2024083791-A1 · Mar 14, 2024 · US
Planting method of dendrobiumnobilelindl
US-2024040976-A1 · Feb 8, 2024 · US
Method for Preparing N-P Compound Fertilizer from Incinerated Sewage Sludge Ash (ISSA)
US-2023399269-A1 · Dec 14, 2023 · US
Agricultural product, and preparation method
US-2023373880-A1 · Nov 23, 2023 · US
Method for fully recycling kitchen waste by using hermetia illucens l. and aerobic microorganisms
US-2023331637-A1 · Oct 19, 2023 · US
Low energy drying of swine lagoon sludge or digestate
US-11788790-B2 · Oct 17, 2023 · US
Method and slurry treatment plant for reducing methane emission from slurry produced in a livestock farm
US-2023234873-A1 · Jul 27, 2023 · US
Automated mass rearing system for insect larvae
US-2023210097-A1 · Jul 6, 2023 · US
Freeze concentration for urine-based fertilizer production
US-2023202940-A1 · Jun 29, 2023 · US
Reducing the environmental impact of farming using biochar
US-2023125341-A1 · Apr 27, 2023 · US
Improved Methods and Compositions for Processing Manure
US-2023128861-A1 · Apr 27, 2023 · US
Freeze concentration for urine-based fertilizer production
US-11578011-B2 · Feb 14, 2023 · US
Method for ammonium-enhanced flue gas desulfurization by using red mud slurry
US-11535572-B2 · Dec 27, 2022 · US
Automated mass rearing system for insect larvae
US-11490604-B2 · Nov 8, 2022 · US
Methods for producing treated manure
US-2022315503-A1 · Oct 6, 2022 · US
Mitigation of ammonia, odor and greenhouse gases
US-2022295797-A1 · Sep 22, 2022 · US
Reducing the environmental impact of farming using biochar
US-11426350-B1 · Aug 30, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C05F3/00?
- CPC C05F3/00 is the Cooperative Patent Classification code for “Fertilisers from human or animal excrements, e.g. manure.”
- How many patents are filed under CPC C05F3/00 (Fertilisers from human or animal excrements, e.g. manure)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C05F3/00 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).