Closed-loop, bioregenerative water purification systems and methods
US-2023271865-A1 · Aug 31, 2023 · US
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from human faecal masses
from human faecal masses · 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 | C05F3/04 |
| Official title | from human faecal masses |
| Display label | from human faecal masses |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biorefinery method and system for isolated environments
US-2021188679-A1 · Jun 24, 2021 · US
Biorefinery method and system for isolated environments
US-10947144-B2 · Mar 16, 2021 · US
Biorefinery method and system for isolated environments
US-2020048130-A1 · Feb 13, 2020 · US
Biorefinery method and system for isolated environments
US-10479716-B2 · Nov 19, 2019 · US
Biorefinery method and system for isolated environments
US-2018155227-A1 · Jun 7, 2018 · US
Tree or plant protection mat
US-9565809-B2 · Feb 14, 2017 · US