Acid-dispensing system for pools
US-2024254023-A1 · Aug 1, 2024 · US
Devices for dosing the additives
Devices for dosing the additives · 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 | C02F1/685 |
| Official title | {Devices for dosing the additives} |
| Display label | Devices for dosing the additives |
| Total patents | 156 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 14 |
| 2021 | 21 |
| 2022 | 11 |
| 2023 | 25 |
| 2024 | 13 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-stage dispensers
US-10875797-B2 · Dec 29, 2020 · US
Hardness reduction filter
US-10836664-B2 · Nov 17, 2020 · US
Passive, Tunable Biocide Delivery System
US-2020317550-A1 · Oct 8, 2020 · US
Method of Controlling Salinity of a Low Salinity Injection Water
US-2020230554-A1 · Jul 23, 2020 · US
Power operation of intelligent devices
US-10663938-B2 · May 26, 2020 · US
Removal of selenocyanate from refinery sour water stripper wastewater
US-2020087179-A1 · Mar 19, 2020 · US
Conductive aqueous solution production device and conductive aqueous solution production method
US-2020040285-A1 · Feb 6, 2020 · US
Water treatment system with passive halogen barrier
US-2019367383-A1 · Dec 5, 2019 · US
Ammonia solution production device and ammonia solution production method
US-2019367391-A1 · Dec 5, 2019 · US
Ballast water measurement device and ballast water measurement method
US-2019359509-A1 · Nov 28, 2019 · US
Water treatment system with passive halogen barrier
US-10427952-B2 · Oct 1, 2019 · US
Water-soluble unit dose articles made from a combination of different films
US-10428297-B2 · Oct 1, 2019 · US
Chemical Controller System and Method
US-2019227581-A1 · Jul 25, 2019 · US
Resistivity adjustment device and resistivity adjustment method
US-2019224633-A1 · Jul 25, 2019 · US
Cartridge for an additive dispensing system
US-10329134-B2 · Jun 25, 2019 · US
Apparatus for germ reduction of a fluid and a process for use thereof
US-10315937-B2 · Jun 11, 2019 · US
Light guide
US-2019146438-A1 · May 16, 2019 · US
Geographic analysis of water conditions
US-2019120809-A1 · Apr 25, 2019 · US
Power operation of intelligent devices
US-2019090056-A1 · Mar 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/685?
- CPC C02F1/685 is the Cooperative Patent Classification code for “Devices for dosing the additives.”
- How many patents are filed under CPC C02F1/685 (Devices for dosing the additives)?
- Our database includes 156 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/685 growing?
- Publication counts under this code: 13 in 2024 vs 15 in 2025 (latest complete years).