Mobile UV sterilization device and method
US-9827340-B2 · Nov 28, 2017 · US
Lamp control systems
Lamp control systems · 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 | C02F2201/326 |
| Official title | Lamp control systems |
| Display label | Lamp control systems |
| Total patents | 282 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 27 |
| 2017 | 25 |
| 2018 | 30 |
| 2019 | 25 |
| 2020 | 30 |
| 2021 | 33 |
| 2022 | 30 |
| 2023 | 14 |
| 2024 | 22 |
| 2025 | 25 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water purifier
US-2017327388-A1 · Nov 16, 2017 · US
Ultraviolet water disinfection system
US-9802840-B2 · Oct 31, 2017 · US
Liquid processing system and control method
US-2017283276-A9 · Oct 5, 2017 · US
Method and system for providing ultrapure water
US-9764968-B2 · Sep 19, 2017 · US
Ballast water treatment device, and method for treating ballast water
US-2017240263-A1 · Aug 24, 2017 · US
System and method for measuring and treating a liquid stream
US-9725343-B2 · Aug 8, 2017 · US
Ultraviolet irradiation apparatus
US-9725337-B2 · Aug 8, 2017 · US
Biocidal purification device
US-9695062-B2 · Jul 4, 2017 · US
Ballast water treatment device
US-2017174531-A1 · Jun 22, 2017 · US
Irradiation assembly for liquid purification assembly, purification assembly and beverage dispenser
US-2017166458-A1 · Jun 15, 2017 · US
Ultraviolet irradiation apparatus
US-9676637-B2 · Jun 13, 2017 · US
Irradiation chamber for liquid purification apparatus, purification apparatus and beverage dispenser
US-2017158529-A1 · Jun 8, 2017 · US
Inductively coupled ballast circuit
US-2017133882-A1 · May 11, 2017 · US
Sterilization apparatus having ultraviolet light
US-9630859-B2 · Apr 25, 2017 · US
Circulating water utilization system
US-9611161-B2 · Apr 4, 2017 · US
Inductively coupled ballast circuit
US-9590456-B2 · Mar 7, 2017 · US
Fluid Disinfection Using Ultraviolet Light
US-2017057842-A1 · Mar 2, 2017 · US
Docking station for a beverage dispenser having a reservoir
US-9560934-B2 · Feb 7, 2017 · US
Inductively coupled dieletric barrier discharge lamp
US-2017015566-A1 · Jan 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/326?
- CPC C02F2201/326 is the Cooperative Patent Classification code for “Lamp control systems.”
- How many patents are filed under CPC C02F2201/326 (Lamp control systems)?
- Our database includes 282 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/326 growing?
- Publication counts under this code: 22 in 2024 vs 25 in 2025 (latest complete years).