Chemical analysis device
US-2025340456-A1 · Nov 6, 2025 · US
Location of water treatment or water treatment device
Location of water treatment or water treatment device · 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 | C02F2307/00 |
| Official title | Location of water treatment or water treatment device |
| Display label | Location of water treatment or water treatment device |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems for groundwater remediation and methods of groundwater remediation in geological formations
US-2025073763-A1 · Mar 6, 2025 · US
Apparatus and process to control providing of electrolyzer water for hydrogen production
US-2024384428-A1 · Nov 21, 2024 · US
Apparatus and process to control providing purified water for hydrogen production
US-2024384429-A1 · Nov 21, 2024 · US
Water supply system
US-2024294404-A1 · Sep 5, 2024 · US
Modular system for waste treatment, water recycling, and resource recovery in a space environment
US-11891321-B2 · Feb 6, 2024 · US
Underwater water treatment unit and method for cleaning said unit
US-11498021-B2 · Nov 15, 2022 · US
Rural landscape-type nitrogen and phosphorus ecological interception ditch system and farmland drainage nitrogen and phosphorus interception method using the same
US-11352279-B2 · Jun 7, 2022 · US
Modular system for waste treatment, water recycling, and resource recovery in a space environment
US-2021395125-A1 · Dec 23, 2021 · US
Rural landscape-type ecological ditch nitrogen and phosphorus interception system and method
US-2021387881-A1 · Dec 16, 2021 · US
Antimicrobial toilet with electrolyzer
US-10920408-B2 · Feb 16, 2021 · US
Sterilization structure of water outlet and water treatment device containing same
US-10773975-B2 · Sep 15, 2020 · US
Underwater water treatment unit and method for cleaning said unit
US-2020269165-A1 · Aug 27, 2020 · US
Antimicrobial Toilet with Electrolyzer
US-2020131749-A1 · Apr 30, 2020 · US
Low energy fluid purification system
US-10550008-B2 · Feb 4, 2020 · US
Device for vehicle hindrance and rainwater treatment and system comprising the same
US-2019382971-A1 · Dec 19, 2019 · US
Device for vehicle hindrance and rainwater treatment and system comprising the same
US-10508394-B1 · Dec 17, 2019 · US
Closed-loop bioregenerative water purification system for the international space station (ISS) and for sustainable mars exploration
US-10336637-B2 · Jul 2, 2019 · US
Closed-loop bioregenerative water purification system for the international space station (iss) and for sustainable mars exploration
US-2019016620-A1 · Jan 17, 2019 · US
Sterilization structure of water outlet and water treatment device containing same
US-2018244542-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2307/00?
- CPC C02F2307/00 is the Cooperative Patent Classification code for “Location of water treatment or water treatment device.”
- How many patents are filed under CPC C02F2307/00 (Location of water treatment or water treatment device)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C02F2307/00 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).