Mixer insert, static mixer and production method
US-12582947-B2 · Mar 24, 2026 · US
between stacked plates, e.g. grooved or perforated plates
between stacked plates, e.g. grooved or perforated plates · 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 | B01F25/422 |
| Official title | between stacked plates, e.g. grooved or perforated plates |
| Display label | between stacked plates, e.g. grooved or perforated plates |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydration systems and methods
US-12576556-B2 · Mar 17, 2026 · US
Scr reactor system, scr reactor assembly, scr reactor apparatus, and mixing device, and methods of using and assembling each of the same
US-2025303362-A1 · Oct 2, 2025 · US
Microchannel chip
US-12420281-B2 · Sep 23, 2025 · US
Inlet assembly for aftertreatment system
US-12352199-B1 · Jul 8, 2025 · US
Micromixer
US-12280346-B2 · Apr 22, 2025 · US
Method for foaming adhesive and related system
US-12145111-B2 · Nov 19, 2024 · US
Mixer for reverse flow reactor
US-2024116020-A1 · Apr 11, 2024 · US
Exhaust gas/reactant mixing device
US-11702974-B2 · Jul 18, 2023 · US
Inlet flow for high efficiency mixers
US-11680507-B2 · Jun 20, 2023 · US
Microchannel chip
US-2023145735-A1 · May 11, 2023 · US
Hydration systems and methods
US-2023086438-A1 · Mar 23, 2023 · US
Exhaust gas/reactant mixing arrangement
US-11585256-B2 · Feb 21, 2023 · US
Exhaust gas/reactant mixing device
US-2022333521-A1 · Oct 20, 2022 · US
Mixer insert, static mixer and production method
US-2022331757-A1 · Oct 20, 2022 · US
Micromixer
US-2022314177-A1 · Oct 6, 2022 · US
Exhaust gas/reactant mixing arrangement
US-2022290601-A1 · Sep 15, 2022 · US
Inlet flow for high efficiency mixers
US-2022162974-A1 · May 26, 2022 · US
Systems and methods for mixing exhaust gas and reductant
US-2022056831-A1 · Feb 24, 2022 · US
Systems and methods for mixing exhaust gas and reductant
US-11208934-B2 · Dec 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F25/422?
- CPC B01F25/422 is the Cooperative Patent Classification code for “between stacked plates, e.g. grooved or perforated plates.”
- How many patents are filed under CPC B01F25/422 (between stacked plates, e.g. grooved or perforated plates)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC B01F25/422 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).