Multi-stage dispensers
US-10875797-B2 · Dec 29, 2020 · US
by oligodynamic treatment
by oligodynamic treatment · 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 | C02F1/505 |
| Official title | {by oligodynamic treatment} |
| Display label | by oligodynamic treatment |
| Total patents | 118 |
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 | 6 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 17 |
| 2019 | 12 |
| 2020 | 17 |
| 2021 | 21 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Passive, Tunable Biocide Delivery System
US-2020317550-A1 · Oct 8, 2020 · US
Purification unit and purification device
US-2020317544-A1 · Oct 8, 2020 · US
Water treatment system and methods thereof
US-10752527-B2 · Aug 25, 2020 · US
Inorganic particulate containing antimicrobial metal
US-10736324-B2 · Aug 11, 2020 · US
Water treatment system and methods thereof
US-2020247698-A1 · Aug 6, 2020 · US
Device for injecting water into an internal combustion engine
US-2020224609-A1 · Jul 16, 2020 · US
Filter Medium and Production Method, Filter Element, Use of the Filter Element, and Water Injection System
US-2020217275-A1 · Jul 9, 2020 · US
Prevention of starch degradation in pulp, paper or board making processes
US-10626559-B2 · Apr 21, 2020 · US
System to feed water to at least one combustion chamber in an internal combustion engine
US-2020018263-A1 · Jan 16, 2020 · US
Water outlet fitting with drinking water filter
US-2019382986-A1 · Dec 19, 2019 · US
Bacteria removing water discharge device
US-10499773-B2 · Dec 10, 2019 · US
Electrical-storage type desalination electrode module, production method therefor and desalination device using same
US-10472262-B2 · Nov 12, 2019 · US
Dispenser systems
US-2019257102-A1 · Aug 22, 2019 · US
Filters for appliances
US-10370260-B2 · Aug 6, 2019 · US
Dispenser systems
US-10337200-B2 · Jul 2, 2019 · US
Prevention of Starch Degradation in Pulp, Paper or Board Making Processes
US-2019145052-A1 · May 16, 2019 · US
Method and apparatus for preventing mold growth in the reservoir of a food waste recycling appliance
US-10189729-B2 · Jan 29, 2019 · US
Synthesis of silver-PMMA nanocomposite film
US-10184033-B1 · Jan 22, 2019 · US
Filtering medium for fluid purification
US-10173196-B2 · Jan 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/505?
- CPC C02F1/505 is the Cooperative Patent Classification code for “by oligodynamic treatment.”
- How many patents are filed under CPC C02F1/505 (by oligodynamic treatment)?
- Our database includes 118 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/505 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).