Systems and methods for treatment of hard water
US-12404194-B2 · Sep 2, 2025 · US
Condensed phosphates
Condensed phosphates · 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 | C02F5/086 |
| Official title | {Condensed phosphates} |
| Display label | Condensed phosphates |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 4 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water-savings adiabatic spray system
US-12264088-B2 · Apr 1, 2025 · US
Scaling Treatment Systems for Water Heaters
US-2025051207-A1 · Feb 13, 2025 · US
Scaling treatment systems for water heaters
US-12139429-B2 · Nov 12, 2024 · US
Water-savings adiabatic spray system
US-2024018022-A1 · Jan 18, 2024 · US
Liquid concentrate dosing systems
US-11866915-B2 · Jan 9, 2024 · US
Water-savings adiabatic spray system
US-11679997-B2 · Jun 20, 2023 · US
Systems and methods for treatment of hard water
US-2023108978-A1 · Apr 6, 2023 · US
Method for suppressing corrosion fatigue of boiler evaporation tube
US-2023108206-A1 · Apr 6, 2023 · US
Removable scale collector and inhibitor filter
US-2023056272-A1 · Feb 23, 2023 · US
Method for electrolysis-ozone-corrosion inhibitor/electrolysis-ozone-hydrogen peroxide-corrosion inhibitor coupling treatment on toxic and refractory wastewater
US-11548797-B2 · Jan 10, 2023 · US
Method for reducing formation of CaSO4 and Fe2O3 containing deposits in a pressure oxidation autoclave and/or adjacent circuits during pressure oxidation of gold-containing ore
US-11535911-B2 · Dec 27, 2022 · US
Method for electrolysis-ozone-corrosion inhibitor/electrolysis-ozone-hydrogen peroxide-corrosion inhibitor coupling treatment on toxic and refractory wastewater
US-2022356086-A1 · Nov 10, 2022 · US
Liquid concentrate dosing systems
US-2022178117-A1 · Jun 9, 2022 · US
Scaling treatment systems for water heaters
US-2022177338-A1 · Jun 9, 2022 · US
Composite phosphorus-based calcification inhibitor
US-11192812-B2 · Dec 7, 2021 · US
METHOD FOR REDUCING FORMATION OF CaSO4 AND Fe2O3 CONTAINING DEPOSITS IN A PRESSURE OXIDATION AUTOCLAVE AND/OR ADJACENT CIRCUITS DURING PRESSURE OXIDATION OF GOLD-CONTAINING ORE
US-2021123117-A1 · Apr 29, 2021 · US
Method and device for treating high-calcium wastewater by calcification blocking
US-10981816-B1 · Apr 20, 2021 · US
Water-savings adiabatic spray system
US-2021107809-A1 · Apr 15, 2021 · US
Composite phosphorus-based calcification inhibitor
US-2021032140-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F5/086?
- CPC C02F5/086 is the Cooperative Patent Classification code for “Condensed phosphates.”
- How many patents are filed under CPC C02F5/086 (Condensed phosphates)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C02F5/086 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).