Acid-dispensing system for pools
US-2024254023-A1 · Aug 1, 2024 · US
by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)}
by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)} · 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 | C02F1/50 |
| Official title | by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)} |
| Display label | by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)} |
| Total patents | 688 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 63 |
| 2016 | 73 |
| 2017 | 45 |
| 2018 | 71 |
| 2019 | 73 |
| 2020 | 66 |
| 2021 | 74 |
| 2022 | 61 |
| 2023 | 36 |
| 2024 | 62 |
| 2025 | 54 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Straight-line sewage treatment system for enhanced treatment of low c/n domestic sewage
US-2024092664-A1 · Mar 21, 2024 · US
Rapid method for different types of biocide residual with analysis procedure
US-2024053305-A1 · Feb 15, 2024 · US
Non-phosphorous containing corrosion inhibitors for aqueous systems
US-2015376799-A1 · Dec 31, 2015 · US
Fouling inhibitor, filtration membrane and method for producing same
US-2015367290-A1 · Dec 24, 2015 · US
Pasteurization system with purification of the process liquid
US-2015368135-A1 · Dec 24, 2015 · US
Biocidal compositions and methods of use
US-9210936-B2 · Dec 15, 2015 · US
Ballast water treatment agent and method of treating ballast water of ship using the same
US-9212073-B2 · Dec 15, 2015 · US
Biocide composition and method for treating water
US-2015351383-A1 · Dec 10, 2015 · US
Biocide formulation and method for treating water
US-2015351389-A1 · Dec 10, 2015 · US
Sugar ester peracid on site generator and formulator
US-9192909-B2 · Nov 24, 2015 · US
Application system with recycle and related use of antimicrobial quaternary ammonium compound
US-9185929-B2 · Nov 17, 2015 · US
Peptides and compositions for prevention of cell adhesion and methods of using same
US-2015315253-A1 · Nov 5, 2015 · US
Methods and apparatus for cleaning or disinfecting a water delivery system
US-2015314342-A1 · Nov 5, 2015 · US
Apparatus and method for ultrasound treatment for ballast water management
US-9174189-B2 · Nov 3, 2015 · US
Formulations containing a non-oxidative biocide and a source of active halogen and use thereof in water treatment
US-2015307380-A1 · Oct 29, 2015 · US
Apparatus and method for treating ballast water
US-2015307372-A1 · Oct 29, 2015 · US
Application system with recycle and related use of antimicrobial quaternary ammonium compound
US-2015296858-A1 · Oct 22, 2015 · US
Integrated water testing system and method for ultra-low total chlorine detection
US-9162021-B2 · Oct 20, 2015 · US
System and Method for Detecting Biofilm Growth in Water Systems
US-2015291993-A1 · Oct 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/50?
- CPC C02F1/50 is the Cooperative Patent Classification code for “by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)}.”
- How many patents are filed under CPC C02F1/50 (by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)})?
- Our database includes 688 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/50 growing?
- Publication counts under this code: 62 in 2024 vs 54 in 2025 (latest complete years).