NOx ADSORBER CATALYST
US-2017356317-A1 · Dec 14, 2017 · US
Impregnation and coating simultaneously
Impregnation and coating simultaneously · 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 | B01J37/0234 |
| Official title | {Impregnation and coating simultaneously} |
| Display label | Impregnation and coating simultaneously |
| Total patents | 199 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 22 |
| 2017 | 26 |
| 2018 | 36 |
| 2019 | 22 |
| 2020 | 18 |
| 2021 | 12 |
| 2022 | 17 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
NOx ADSORBER CATALYST
US-2017320046-A1 · Nov 9, 2017 · US
Exhaust gas-purifying catalyst
US-2017297004-A1 · Oct 19, 2017 · US
Catalyst for the oxidation of CO and HC at low temperatures
US-9757712-B2 · Sep 12, 2017 · US
Oxidation Catalyst for a Compression Ignition Engine
US-2017216822-A1 · Aug 3, 2017 · US
Oxidation catalyst for a compression ignition engine
US-9707542-B2 · Jul 18, 2017 · US
Honeycomb filter
US-9700842-B2 · Jul 11, 2017 · US
Exhaust gas purification catalyst composition and exhaust gas purification catalyst
US-9682365-B2 · Jun 20, 2017 · US
Diesel oxidation catalyst and exhaust system
US-9636634-B2 · May 2, 2017 · US
Exhaust gas purifying catalyst
US-9616410-B2 · Apr 11, 2017 · US
Zoned catalysed substrate monolith
US-9611773-B2 · Apr 4, 2017 · US
Improved Catalyzed Soot Filter
US-2017021338-A1 · Jan 26, 2017 · US
NITROGEN OXIDES (NOx) STORAGE CATALYST
US-2017009623-A1 · Jan 12, 2017 · US
Exhaust gas purifying catalyst composition and exhaust gas purifying catalyst
US-9533290-B2 · Jan 3, 2017 · US
Oxidation catalyst for treating the exhaust gas of a compression ignition engine
US-9527034-B2 · Dec 27, 2016 · US
Catalysed soot filter for treating the exhaust gas of a compression ignition engine
US-9527035-B2 · Dec 27, 2016 · US
Ferrous zeolite, method for producing ferrous zeolites, and method for catalytically reducing nitrous oxides
US-9517461-B2 · Dec 13, 2016 · US
Catalytic member for purifying exhaust gases, and washcoat
US-2016332146-A1 · Nov 17, 2016 · US
Photocatalyst material and method for producing same
US-2016332147-A1 · Nov 17, 2016 · US
Catalyst unit
US-9458749-B2 · Oct 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J37/0234?
- CPC B01J37/0234 is the Cooperative Patent Classification code for “Impregnation and coating simultaneously.”
- How many patents are filed under CPC B01J37/0234 (Impregnation and coating simultaneously)?
- Our database includes 199 publications tagged with this CPC code.
- Is patent activity under CPC B01J37/0234 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).