Preparative liquid chromatograph and method for controlling the same
US-2025362280-A1 · Nov 27, 2025 · US
Fraction collectors · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D15/247 |
| Official title | {Fraction collectors} |
| Display label | Fraction collectors |
| Total patents | 71 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 10 |
| 2026 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025362280-A1 · Nov 27, 2025 · US
US-2025269301-A1 · Aug 28, 2025 · US
US-12222340-B2 · Feb 11, 2025 · US
US-12222335-B2 · Feb 11, 2025 · US
US-12158455-B2 · Dec 3, 2024 · US
US-2024345039-A1 · Oct 17, 2024 · US
US-12105066-B2 · Oct 1, 2024 · US
US-2024316478-A1 · Sep 26, 2024 · US
US-11940428-B2 · Mar 26, 2024 · US
US-2023405491-A1 · Dec 21, 2023 · US
US-2023347262-A1 · Nov 2, 2023 · US
US-2023243788-A1 · Aug 3, 2023 · US
US-2023131152-A1 · Apr 27, 2023 · US
US-11498941-B2 · Nov 15, 2022 · US
US-11478524-B1 · Oct 25, 2022 · US
US-2022317101-A1 · Oct 6, 2022 · US
US-2022299485-A1 · Sep 22, 2022 · US
US-2022299488-A1 · Sep 22, 2022 · US
US-2022283132-A1 · Sep 8, 2022 · US
US-2022137007-A1 · May 5, 2022 · US
Answers are generated from the same data shown on this page.