Treatment of emissions in power plants
US-2017058738-A1 · Mar 2, 2017 · US
Processes characterised by a specific device
Processes characterised by a specific device · 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 | B01D53/8631 |
| Official title | {Processes characterised by a specific device} |
| Display label | Processes characterised by a specific device |
| Total patents | 279 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 36 |
| 2016 | 23 |
| 2017 | 25 |
| 2018 | 34 |
| 2019 | 21 |
| 2020 | 25 |
| 2021 | 35 |
| 2022 | 22 |
| 2023 | 23 |
| 2024 | 8 |
| 2025 | 21 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating a reductant metering process of an SCR catalytic converter system, and corresponding SCR catalytic converter system
US-9511324-B2 · Dec 6, 2016 · US
Catalytic filter module and catalytic filter system comprising same
US-9504958-B2 · Nov 29, 2016 · US
Method for heat-treating a material flow and for cleaning resulting exhaust gases
US-2016339381-A1 · Nov 24, 2016 · US
System for arranging an emission reducing catalyst in an exhaust duct of a gas turbine engine
US-2016341093-A1 · Nov 24, 2016 · US
Synthesis of AEI zeolite
US-9480976-B2 · Nov 1, 2016 · US
Predective emissions monitor systems and methods
US-2016310896-A1 · Oct 27, 2016 · US
Hydrothermally stable, low-temperature NOx reduction NH3-SCR catalyst
US-9475039-B2 · Oct 25, 2016 · US
On-site regeneration method of denitration catalyst in exhaust gas purification system
US-2016305303-A1 · Oct 20, 2016 · US
Gas processing apparatus
US-9468698-B2 · Oct 18, 2016 · US
Method for producing NOx removal catalyst for high-temperature exhaust gas
US-9463453-B2 · Oct 11, 2016 · US
Electric reagent launcher for reduction of nitrogen
US-9427702-B2 · Aug 30, 2016 · US
Flow control grid
US-9409124-B2 · Aug 9, 2016 · US
Exhaust-gas purification device and method for the reduction of nitrogen oxides from an exhaust gas of a fossil-fired power plant
US-9387436-B2 · Jul 12, 2016 · US
System and method for reducing emissions via solvent injection
US-9381462-B2 · Jul 5, 2016 · US
Method for purifying exhaust gas
US-2016166989-A1 · Jun 16, 2016 · US
Exhaust gas after-treatment apparatus having improved durability and exhaust gas after-treatment method
US-9346014-B2 · May 24, 2016 · US
Zeolite scr catalysts with iron or copper
US-2016136576-A1 · May 19, 2016 · US
Process for reducing the nitrogen oxide off-gas concentration in a nitric acid plant during shut-down and/or start-up, and nitric acid plant suitable therefor
US-9302222-B2 · Apr 5, 2016 · US
Exhaust gas treatment apparatus
US-9283520-B2 · Mar 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/8631?
- CPC B01D53/8631 is the Cooperative Patent Classification code for “Processes characterised by a specific device.”
- How many patents are filed under CPC B01D53/8631 (Processes characterised by a specific device)?
- Our database includes 279 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/8631 growing?
- Publication counts under this code: 8 in 2024 vs 21 in 2025 (latest complete years).