Static mixers in the preparation of alicyclic carboxylic acids and esters thereof
US-2025197320-A1 · Jun 19, 2025 · US
by moving the components in a convoluted or labyrinthine path (B01F25/433 takes precedence)
by moving the components in a convoluted or labyrinthine path (B01F25/433 takes precedence) · 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 | B01F25/421 |
| Official title | by moving the components in a convoluted or labyrinthine path (B01F25/433 takes precedence) |
| Display label | by moving the components in a convoluted or labyrinthine path (B01F25/433 takes precedence) |
| Total patents | 36 |
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 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid mixing device and fluid delivery tube set including same
US-2024408371-A1 · Dec 12, 2024 · US
Fluid mixing device and fluid delivery tube set including same
US-12070568-B2 · Aug 27, 2024 · US
Full continuous synthesis device and method for metronidazole
US-2024270696-A1 · Aug 15, 2024 · US
Device, system and method for mixing
US-11896939-B2 · Feb 13, 2024 · US
Method and apparatus for supplying improved gas flow to a processing volume of a processing chamber
US-2023407471-A1 · Dec 21, 2023 · US
Systems for an anesthetic vaporizer gas mixer
US-2023347098-A1 · Nov 2, 2023 · US
Fluid mixing device and fluid delivery tube set including same
US-2023293874-A1 · Sep 21, 2023 · US
Method and apparatus for supplying improved gas flow to a processing volume of a processing chamber
US-11732355-B2 · Aug 22, 2023 · US
Fluid mixing set
US-11712552-B2 · Aug 1, 2023 · US
Fluid mixing set
US-2023063649-A1 · Mar 2, 2023 · US
Engine mixing structures
US-11549429-B2 · Jan 10, 2023 · US
Device, system and method for mixing
US-2022410088-A1 · Dec 29, 2022 · US
Device, system and method for mixing
US-11406945-B2 · Aug 9, 2022 · US
Liquid supply method and inspection chip
US-2022226823-A1 · Jul 21, 2022 · US
Ballast water treatment device
US-2022033048-A1 · Feb 3, 2022 · US
Turbulent flow mixing bag and related systems and methods
US-2021402359-A1 · Dec 30, 2021 · US
Electrochemical flow reactor
US-2021253452-A1 · Aug 19, 2021 · US
Plate swirler with converging swirl passages
US-11015811-B2 · May 25, 2021 · US
Lab on a chip device for multi-analyte detection and a method of fabrication thereof
US-11009480-B2 · May 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F25/421?
- CPC B01F25/421 is the Cooperative Patent Classification code for “by moving the components in a convoluted or labyrinthine path (B01F25/433 takes precedence).”
- How many patents are filed under CPC B01F25/421 (by moving the components in a convoluted or labyrinthine path (B01F25/433 takes precedence))?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B01F25/421 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).