Hydrogen nanobubbles infused water for industrial crop irrigation
US-2023357095-A1 · Nov 9, 2023 · US
Water
Water · 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 | C01B5/00 |
| Official title | Water |
| Display label | Water |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for removing hydrogen peroxide, and apparatus for producing pure water
US-2023249992-A1 · Aug 10, 2023 · US
Molded adsorbent and water purification cartridge
US-2023058075-A1 · Feb 23, 2023 · US
Regenerated denitration catalyst and method for manufacturing the same, and denitration apparatus
US-2022126280-A1 · Apr 28, 2022 · US
Method for producing deuterium-depleted water and method for producing deuterium-enriched water
US-11213790-B2 · Jan 4, 2022 · US
Treatment of fecal matter by smoldering and catalysis
US-11186502-B2 · Nov 30, 2021 · US
Fuel delivery system having a fuel oxygen reduction unit
US-2021339878-A1 · Nov 4, 2021 · US
Hydrogen-selective oxygen carrier materials and methods of use
US-2021317004-A1 · Oct 14, 2021 · US
Facile co2 sequestration and fuel production from a hydrocarbon
US-2021284540-A1 · Sep 16, 2021 · US
Methods of producing hydrogen-selective oxygen carrier materials
US-2021245146-A1 · Aug 12, 2021 · US
Reactive extraction of water
US-11045745-B2 · Jun 29, 2021 · US
Multicomponent plasmonic photocatalysts consisting of a plasmonic antenna and a reactive catalytic surface: the antenna-reactor effect
US-2021023541-A1 · Jan 28, 2021 · US
Carbon dioxide reduction system and carbon dioxide reduction method
US-2021009428-A1 · Jan 14, 2021 · US
Hydrogen-oxygen reaction device
US-10801116-B2 · Oct 13, 2020 · US
Multicomponent plasmonic photocatalysts consisting of a plasmonic antenna and a reactive catalytic surface: the antenna-reactor effect
US-10766024-B2 · Sep 8, 2020 · US
Solid-phase catalyst for decomposing hydrogen peroxide and method for producing same
US-10758893-B2 · Sep 1, 2020 · US
Multicomponent plasmonic photocatalysts consisting of a plasmonic antenna and a reactive catalytic surface: the antenna-reactor effect
US-2020206722-A1 · Jul 2, 2020 · US
Method for producing deuterium-depleted water and method for producing deuterium-concentrated water
US-2020206687-A1 · Jul 2, 2020 · US
Hydrogen-oxygen reaction device
US-2020173035-A1 · Jun 4, 2020 · US
Apparatus and process for preparation of small water cluster and small molecular cluster water prepared therefrom
US-10661003-B2 · May 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B5/00?
- CPC C01B5/00 is the Cooperative Patent Classification code for “Water.”
- How many patents are filed under CPC C01B5/00 (Water)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC C01B5/00 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).