SCR system and engine
US-12503968-B2 · Dec 23, 2025 · US
using vanes arranged on the flow path or flow tubes with tangentially directed apertures
using vanes arranged on the flow path or flow tubes with tangentially directed apertures · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01N1/088 |
| Official title | {using vanes arranged on the flow path or flow tubes with tangentially directed apertures} |
| Display label | using vanes arranged on the flow path or flow tubes with tangentially directed apertures |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust mixer assembly
US-2025327414-A1 · Oct 23, 2025 · US
Exhaust mixer assembly
US-12372021-B2 · Jul 29, 2025 · US
Mixer for exhaust aftertreatment system
US-2025237160-A1 · Jul 24, 2025 · US
Air-transparent selective sound silencer using ultra-open metamaterial
US-12352190-B2 · Jul 8, 2025 · US
Inlet assembly for aftertreatment system
US-12352199-B1 · Jul 8, 2025 · US
Scr system and engine
US-2025172084-A1 · May 29, 2025 · US
Exhaust mixer assembly
US-2025122820-A1 · Apr 17, 2025 · US
Air-transparent selective sound silencer using ultra-open metamaterial
US-2024077008-A1 · Mar 7, 2024 · US
Air-transparent selective sound silencer using ultra-open metamaterial
US-11846217-B2 · Dec 19, 2023 · US
Exhaust treatment system for work vehicles and related flow mixers
US-11686234-B2 · Jun 27, 2023 · US
Exhaust treatment system for work vehicles and related flow mixers
US-2023122951-A1 · Apr 20, 2023 · US
System for a combined spark arrestor and muffler assembly
US-11629621-B2 · Apr 18, 2023 · US
Panel assembly and aftertreatment assembly including panel assemblies
US-11614010-B2 · Mar 28, 2023 · US
Methods and systems of mitigating high-speed jet noise
US-2023041941-A1 · Feb 9, 2023 · US
Dosing and mixing arrangement for use in exhaust aftertreatment
US-11465108-B2 · Oct 11, 2022 · US
Panel assembly and aftertreatment assembly including panel assemblies
US-2022065145-A1 · Mar 3, 2022 · US
System for a combined spark arrestor and muffler assembly
US-2021404359-A1 · Dec 30, 2021 · US
Dosing and mixing arrangement for use in exhaust aftertreatment
US-2021213401-A1 · Jul 15, 2021 · US
Dosing and mixing arrangement for use in exhaust aftertreatment
US-10960366-B2 · Mar 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01N1/088?
- CPC F01N1/088 is the Cooperative Patent Classification code for “using vanes arranged on the flow path or flow tubes with tangentially directed apertures.”
- How many patents are filed under CPC F01N1/088 (using vanes arranged on the flow path or flow tubes with tangentially directed apertures)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F01N1/088 growing?
- Publication counts under this code: 1 in 2024 vs 8 in 2025 (latest complete years).