Exhaust gas purification catalyst device
US-11524285-B2 · Dec 13, 2022 · US
characterised by a specific catalyst
characterised by a specific catalyst · 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 | B01D53/865 |
| Official title | {characterised by a specific catalyst} |
| Display label | characterised by a specific catalyst |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 14 |
| 2019 | 4 |
| 2020 | 14 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Preparation method of catalyst with white carbon black modified by Zr—Nd—O
US-11426719-B2 · Aug 30, 2022 · US
System and process for efficient SCR at high NO2 to NOx ratios
US-11378278-B2 · Jul 5, 2022 · US
Single module integrated aftertreatment module
US-11141696-B2 · Oct 12, 2021 · US
System and Process for Efficient SCR at High NO2 to NOx Ratios
US-2021180791-A1 · Jun 17, 2021 · US
Cluster supported catalyst and method for producing same
US-11014073-B2 · May 25, 2021 · US
Exhaust gas purification catalyst device
US-2021094027-A1 · Apr 1, 2021 · US
MULTI-FUNCTION CATALYST ARTICLE FOR TREATING BOTH CO AND NOx IN STATIONARY EMISSION SOURCE EXHAUST GAS
US-2021094022-A1 · Apr 1, 2021 · US
Partial burn combustor regenerator
US-10960390-B2 · Mar 30, 2021 · US
Supported catalyst for organic substance decomposition and organic substance decomposition device
US-2021053030-A1 · Feb 25, 2021 · US
Supported catalyst for organic substance decomposition and organic substance decomposing apparatus
US-2021016259-A1 · Jan 21, 2021 · US
Catalyst for organic substance decomposition and organic substance decomposing apparatus
US-2020406236-A1 · Dec 31, 2020 · US
Honeycomb-structured catalyst for organic substance decomposition and organic substance decomposing apparatus
US-2020406245-A1 · Dec 31, 2020 · US
Catalytic articles
US-2020384449-A1 · Dec 10, 2020 · US
Single module integrated aftertreatment module
US-2020376432-A1 · Dec 3, 2020 · US
Single module integrated aftertreatment module
US-10786783-B2 · Sep 29, 2020 · US
Moisture-resistant catalyst for air pollution remediation and method of making the same
US-2020298210-A1 · Sep 24, 2020 · US
Exhaust gas purification catalyst
US-10753248-B2 · Aug 25, 2020 · US
Exhaust gas purification catalyst
US-10731532-B2 · Aug 4, 2020 · US
PREPARATION METHOD OF CATALYST WITH WHITE CARBON BLACK MODIFIED BY Zr-Nd-O
US-2020222892-A1 · Jul 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/865?
- CPC B01D53/865 is the Cooperative Patent Classification code for “characterised by a specific catalyst.”
- How many patents are filed under CPC B01D53/865 (characterised by a specific catalyst)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/865 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).