Sanitization system
US-2025215679-A1 · Jul 3, 2025 · US
Conditioning by chemical additives, e.g. with SO3
Conditioning by chemical additives, e.g. with SO3 · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B03C3/013 |
| Official title | Conditioning by chemical additives, e.g. with SO3 |
| Display label | Conditioning by chemical additives, e.g. with SO3 |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sanitization system
US-12281468-B2 · Apr 22, 2025 · US
Systems and methods for removing species from gas streams
US-2025001355-A1 · Jan 2, 2025 · US
Apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
US-12083468-B2 · Sep 10, 2024 · US
Apparatus and method for removing nitrogen oxide from exhaust gas
US-11883781-B2 · Jan 30, 2024 · US
Apparatus for capturing bioaerosols
US-11833527-B2 · Dec 5, 2023 · US
Apparatus and method for removing nitrogen oxide from exhaust gas
US-2023087167-A1 · Mar 23, 2023 · US
Product removing method, flux removing method, and product removing apparatus
US-2022203471-A1 · Jun 30, 2022 · US
Apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
US-2022184545-A1 · Jun 16, 2022 · US
Apparatus for capturing bioaerosols
US-2022161272-A1 · May 26, 2022 · US
Sanitization system
US-2022112704-A1 · Apr 14, 2022 · US
Apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
US-11298646-B2 · Apr 12, 2022 · US
Dust collecting module, desulfurizing apparatus having same, and method of installing dust collecting module
US-11260401-B2 · Mar 1, 2022 · US
Dust collecting module and desulfurizing apparatus having same
US-11253872-B2 · Feb 22, 2022 · US
Electrostatic precipitator module and desulfurization system including the same
US-11198136-B2 · Dec 14, 2021 · US
Sorbent utilization improvement by selective ash recirculation from a particulate collector
US-11124718-B2 · Sep 21, 2021 · US
Systems and methods for collecting a species
US-2021220838-A1 · Jul 22, 2021 · US
Systems and methods for collecting a species
US-10882054-B2 · Jan 5, 2021 · US
Sorbent composition for an electrostatic precipitator
US-10874975-B2 · Dec 29, 2020 · US
Electrostatic precipitor
US-10751729-B2 · Aug 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03C3/013?
- CPC B03C3/013 is the Cooperative Patent Classification code for “Conditioning by chemical additives, e.g. with SO3.”
- How many patents are filed under CPC B03C3/013 (Conditioning by chemical additives, e.g. with SO3)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B03C3/013 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).