Coagulant composition for wastewater treatment
US-2020299157-A1 · Sep 24, 2020 · US
Devices for dosing liquid additives
Devices for dosing liquid 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 | C02F1/686 |
| Official title | {Devices for dosing liquid additives} |
| Display label | Devices for dosing liquid additives |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 13 |
| 2020 | 17 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chemical testing
US-2020271579-A1 · Aug 27, 2020 · US
Chemical testing
US-2020225125-A1 · Jul 16, 2020 · US
Mobile rustproofing washing system
US-10633118-B2 · Apr 28, 2020 · US
Low risk chlorine dioxide onsite generation system
US-2020071203-A1 · Mar 5, 2020 · US
Peristaltic motor and pump combination
US-10578095-B2 · Mar 3, 2020 · US
Low risk chlorine dioxide onsite generation system
US-10501345-B2 · Dec 10, 2019 · US
Chemical injector for use with a pool or spa system and related methods
US-10480204-B2 · Nov 19, 2019 · US
Systems, compositions and methods for providing safe and healthy water and water-based products
US-10407325-B2 · Sep 10, 2019 · US
Drinking water supply device and method of controlling a drinking water supply device
US-10399874-B2 · Sep 3, 2019 · US
Cartridge for an additive dispensing system
US-10329134-B2 · Jun 25, 2019 · US
Chemical injector for use with a pool or spa system and related methods
US-2019153738-A2 · May 23, 2019 · US
Method of cleaning a drinking water supply device
US-10266437-B2 · Apr 23, 2019 · US
Dosing pump for dosing antiscalant into a membrane-based water treatment system
US-2019112202-A1 · Apr 18, 2019 · US
Passive-fluid dosing assembly
US-10240327-B2 · Mar 26, 2019 · US
Mobile rustproofing washing system
US-2019055037-A1 · Feb 21, 2019 · US
Low risk chlorine dioxide onsite generation system
US-2019055146-A1 · Feb 21, 2019 · US
Device and method for controlling chemical injection into boiler
US-10179743-B2 · Jan 15, 2019 · US
Process and apparatus for dosing nutrients to a bioreactor
US-2019002318-A1 · Jan 3, 2019 · US
Injection device and steam turbine system
US-10107491-B2 · Oct 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/686?
- CPC C02F1/686 is the Cooperative Patent Classification code for “Devices for dosing liquid additives.”
- How many patents are filed under CPC C02F1/686 (Devices for dosing liquid additives)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/686 growing?
- Publication counts under this code: 11 in 2024 vs 12 in 2025 (latest complete years).