Ion removal system
US-12552696-B2 · Feb 17, 2026 · US
Devices for dosing solid compounds
Devices for dosing solid compounds · 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 | C02F1/687 |
| Official title | {Devices for dosing solid compounds} |
| Display label | Devices for dosing solid compounds |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Introduction of an additive to water
US-2026022006-A1 · Jan 22, 2026 · US
Remote-operated flushing system
US-12421699-B2 · Sep 23, 2025 · US
Fluid flushing system
US-12385233-B2 · Aug 12, 2025 · US
Sterile and/or purified fluid and/or solution delivery system
US-12365609-B2 · Jul 22, 2025 · US
Filter Assembly
US-2025230084-A1 · Jul 17, 2025 · US
Remote-operated flushing system
US-2025101721-A1 · Mar 27, 2025 · US
Remote-operated flushing system
US-2024392541-A1 · Nov 28, 2024 · US
Sterile and/or purified fluid and/or solution delivery system
US-2024286938-A1 · Aug 29, 2024 · US
Sterile and/or purified fluid and/or solution delivery system
US-11981588-B2 · May 14, 2024 · US
Filter for controlling ph of purified water and water purifier including the same
US-2024076215-A1 · Mar 7, 2024 · US
Fluid flushing system
US-2023340763-A1 · Oct 26, 2023 · US
Remote-operated flushing system
US-11725366-B2 · Aug 15, 2023 · US
Drop-in treatment apparatus and system for PFAS-impacted liquids
US-11667546-B1 · Jun 6, 2023 · US
Method for the removal of at least one contaminant from an aqueous liquor or a gas
US-2022081334-A1 · Mar 17, 2022 · US
Ballast water treatment device
US-2022033048-A1 · Feb 3, 2022 · US
Remote-operated flushing system
US-2022018101-A1 · Jan 20, 2022 · US
Time-release tablet and methods
US-11111163-B2 · Sep 7, 2021 · US
Multiple-bore solute cartridge carrier
US-11097965-B2 · Aug 24, 2021 · US
Sterile and/or purified fluid and/or solution delivery system
US-2021171371-A1 · Jun 10, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/687?
- CPC C02F1/687 is the Cooperative Patent Classification code for “Devices for dosing solid compounds.”
- How many patents are filed under CPC C02F1/687 (Devices for dosing solid compounds)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/687 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).