Systems and methods for controlling a chloramine synthesis reaction in industrial water systems
US-2020325048-A1 · Oct 15, 2020 · US
Chlorine compounds
Chlorine compounds · 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 | C02F2209/29 |
| Official title | Chlorine compounds |
| Display label | Chlorine compounds |
| Total patents | 167 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 15 |
| 2020 | 14 |
| 2021 | 16 |
| 2022 | 20 |
| 2023 | 22 |
| 2024 | 21 |
| 2025 | 12 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of Controlling Salinity of a Low Salinity Injection Water
US-2020230554-A1 · Jul 23, 2020 · US
Method of Regulating One or More Component Values in Monochloramine Production Using Real-Time ElectroChemical Sensing
US-2020231476-A1 · Jul 23, 2020 · US
Low risk chlorine dioxide onsite generation system
US-2020071203-A1 · Mar 5, 2020 · US
Ship equipment management system, equipment management program, and equipment management method
US-2020010344-A1 · Jan 9, 2020 · US
Low risk chlorine dioxide onsite generation system
US-10501345-B2 · Dec 10, 2019 · US
On-demand system for drawing and purifying well water
US-10494284-B2 · Dec 3, 2019 · US
Systems and methods for interrelated control of chlorinators and pumps
US-10486985-B2 · Nov 26, 2019 · US
A method for electrochemical treatment of water
US-2019284066-A1 · Sep 19, 2019 · US
Administration of oral care antimicrobials
US-2019262112-A1 · Aug 29, 2019 · US
Systems and methods for dynamic sanitization control
US-2019194046-A1 · Jun 27, 2019 · US
A device for cell culture
US-2019144810-A1 · May 16, 2019 · US
Use of phosphotartaric acid and the salts thereof for the treatment of water in water-conducting systems
US-10287199-B2 · May 14, 2019 · US
Method for treating ballast water and device for treating ballast water used therefor
US-10287200-B2 · May 14, 2019 · US
System for treating ships' ballast water
US-2019127249-A1 · May 2, 2019 · US
Ultraviolet Irradiation of Aquatic Environment
US-2019100445-A1 · Apr 4, 2019 · US
On-demand system for drawing and purifying well water
US-2019092668-A1 · Mar 28, 2019 · US
Spectrophotometric sensors and methods of using same
US-10241035-B2 · Mar 26, 2019 · US
Portable liquid measuring and filtering device
US-2019054462-A1 · Feb 21, 2019 · US
Low risk chlorine dioxide onsite generation system
US-2019055146-A1 · Feb 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2209/29?
- CPC C02F2209/29 is the Cooperative Patent Classification code for “Chlorine compounds.”
- How many patents are filed under CPC C02F2209/29 (Chlorine compounds)?
- Our database includes 167 publications tagged with this CPC code.
- Is patent activity under CPC C02F2209/29 growing?
- Publication counts under this code: 21 in 2024 vs 12 in 2025 (latest complete years).