Ballast water treatment device
US-2017349450-A1 · Dec 7, 2017 · US
with halogen or compound of halogens, e.g. chlorine, bromine
with halogen or compound of halogens, e.g. chlorine, bromine · 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 | C02F1/4674 |
| Official title | {with halogen or compound of halogens, e.g. chlorine, bromine} |
| Display label | with halogen or compound of halogens, e.g. chlorine, bromine |
| Total patents | 333 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 28 |
| 2017 | 17 |
| 2018 | 42 |
| 2019 | 41 |
| 2020 | 36 |
| 2021 | 34 |
| 2022 | 30 |
| 2023 | 30 |
| 2024 | 32 |
| 2025 | 14 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrolyzed water generating device, electrolyte for generating electrolyzed water, and electrolyzed water for disinfection
US-2017298552-A1 · Oct 19, 2017 · US
Electrode for electrochlorination processes and method of manufacturing thereof
US-2017297928-A1 · Oct 19, 2017 · US
Subsea Deoxygenation In A Water Injection Process Plant
US-2017253506-A1 · Sep 7, 2017 · US
Electrochemical system for disinfecting and cleaning contact lenses
US-2017173206-A1 · Jun 22, 2017 · US
Acidic electrolyzed water and production method therefor
US-2017156341-A1 · Jun 8, 2017 · US
Method and apparatus for controlling concentration of free chlorine, and sterilization method and sterilization apparatus each utilizing said method and said apparatus
US-2017137305-A1 · May 18, 2017 · US
Refrigerator
US-9651296-B2 · May 16, 2017 · US
Low Energy System and Method of Desalinating Seawater
US-2017050866-A1 · Feb 23, 2017 · US
Composition for treatment of ballast water
US-2017036932-A1 · Feb 9, 2017 · US
Physico-chemical process for removal of nitrogen species from recirculated aquaculture systems
US-9560839-B2 · Feb 7, 2017 · US
Physico-chemical process for removal of nitrogen species from recirculated aquaculture systems
US-2017029299-A1 · Feb 2, 2017 · US
Liquid treatment method and liquid treatment device used therein
US-9522829-B2 · Dec 20, 2016 · US
pH Balancing System
US-2016355421-A1 · Dec 8, 2016 · US
Cdi-type water treatment device
US-2016355418-A1 · Dec 8, 2016 · US
Centrifugal solid-liquid separation device and water treatment device using same
US-2016355413-A1 · Dec 8, 2016 · US
Composition for treatment of ballast water
US-9505640-B2 · Nov 29, 2016 · US
Systems and Methods for Interrelated Control of Chlorinators and Pumps
US-2016340205-A1 · Nov 24, 2016 · US
Device for killing microorganisms within ballast water
US-2016340213-A1 · Nov 24, 2016 · US
Drop-in chlorinator for portable spas
US-9493369-B2 · Nov 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/4674?
- CPC C02F1/4674 is the Cooperative Patent Classification code for “with halogen or compound of halogens, e.g. chlorine, bromine.”
- How many patents are filed under CPC C02F1/4674 (with halogen or compound of halogens, e.g. chlorine, bromine)?
- Our database includes 333 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/4674 growing?
- Publication counts under this code: 32 in 2024 vs 14 in 2025 (latest complete years).