Wastewater filtration system
US-10513450-B2 · Dec 24, 2019 · US
Devices in which the water progressively dissolves a solid compound
Devices in which the water progressively dissolves a solid compound · 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 | C02F1/688 |
| Official title | {Devices in which the water progressively dissolves a solid compound} |
| Display label | Devices in which the water progressively dissolves a solid compound |
| Total patents | 147 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 21 |
| 2019 | 14 |
| 2020 | 16 |
| 2021 | 16 |
| 2022 | 12 |
| 2023 | 19 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Use of an encapsulated chlorine bleach particle to reduce gas evolution during dispensing
US-10499647-B2 · Dec 10, 2019 · US
Condensate neutralizer system including condensate device health monitoring
US-10486082-B2 · Nov 26, 2019 · US
Method of scavenging hydrogen sulfide and mercaptans using well treatment composites
US-10434467-B2 · Oct 8, 2019 · US
Gravity feed water treatment system
US-10336639-B2 · Jul 2, 2019 · US
Customizable multi-stage water treatment system
US-2019135656-A1 · May 9, 2019 · US
Dispensing system
US-2019048604-A1 · Feb 14, 2019 · US
Floating chemical dispenser
US-2019022603-A1 · Jan 24, 2019 · US
Customizable multi-stage water treatment system
US-10155669-B2 · Dec 18, 2018 · US
Bromate suppression
US-10123539-B2 · Nov 13, 2018 · US
Dispensers
US-10119287-B2 · Nov 6, 2018 · US
Application of cyclodextrins (cds) for remediation of perfluoroalkyl substances (pfass)
US-2018282530-A1 · Oct 4, 2018 · US
Multi-stage dispensers
US-2018237320-A1 · Aug 23, 2018 · US
Drinking water supply device and method of controlling the same
US-2018229991-A1 · Aug 16, 2018 · US
Dispenser and multi-cartridge systems
US-10047535-B2 · Aug 14, 2018 · US
Multi-stage dispensers
US-10029931-B2 · Jul 24, 2018 · US
Dispensing systems
US-10029932-B2 · Jul 24, 2018 · US
Use of an encapsulated chlorine bleach particle to reduce gas evolution during dispensing
US-2018192643-A1 · Jul 12, 2018 · US
Floating dispensers
US-10017402-B2 · Jul 10, 2018 · US
Scale inhibitor, scale-inhibiting device using the same, and scale-inhibiting system
US-2018179093-A1 · Jun 28, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/688?
- CPC C02F1/688 is the Cooperative Patent Classification code for “Devices in which the water progressively dissolves a solid compound.”
- How many patents are filed under CPC C02F1/688 (Devices in which the water progressively dissolves a solid compound)?
- Our database includes 147 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/688 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).