Sample liquid accommodation container, sample liquid stirring device, microparticle sorting kit, and microparticle sorting device
US-12560524-B2 · Feb 24, 2026 · US
of test-tubes or the like
of test-tubes or the like · 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 | B01F29/321 |
| Official title | of test-tubes or the like |
| Display label | of test-tubes or the like |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Evaporation-limiting inserts for reagent containers and related methods of use
US-2025144635-A1 · May 8, 2025 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-12290817-B2 · May 6, 2025 · US
Sample liquid accommodation container, sample liquid stirring device, microparticle sorting kit, and microparticle sorting device
US-2024159651-A1 · May 16, 2024 · US
Methods and apparatus to mitigate bubble formation in a liquid
US-11738346-B2 · Aug 29, 2023 · US
Cartridge, detection method, and detection device
US-11511246-B2 · Nov 29, 2022 · US
Devices and methods for detecting analytes
US-11369967-B2 · Jun 28, 2022 · US
Methods and apparatus to mitigate bubble formation in a liquid
US-2021170414-A1 · Jun 10, 2021 · US
Rotary reagent tray assembly and method of mixing solid-phase reagents
US-10974213-B2 · Apr 13, 2021 · US
Methods and apparatus to mitigate bubble formation in a liquid
US-10926263-B2 · Feb 23, 2021 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-2021008561-A1 · Jan 14, 2021 · US
Reagent kit frame
US-D905866-S · Dec 22, 2020 · US
Devices and methods for detecting analytes
US-2020338558-A1 · Oct 29, 2020 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-10799870-B2 · Oct 13, 2020 · US
Specimen disrupting method and specimen disrupting apparatus
US-10760115-B2 · Sep 1, 2020 · US
Reagent kit with multiple bottles
US-D875270-S · Feb 11, 2020 · US
Cartridge, detection method, and detection device
US-2019099728-A1 · Apr 4, 2019 · US
Methods and apparatus to mitigate bubble formation in a liquid
US-2018353964-A1 · Dec 13, 2018 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-2018290142-A1 · Oct 11, 2018 · US
Methods and apparatus to mitigate bubble formation in a liquid
US-10058866-B2 · Aug 28, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F29/321?
- CPC B01F29/321 is the Cooperative Patent Classification code for “of test-tubes or the like.”
- How many patents are filed under CPC B01F29/321 (of test-tubes or the like)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC B01F29/321 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).