Phase change microcapsule for drilling fluid cooling and its preparation method and application
US-2025250474-A1 · Aug 7, 2025 · US
Applications of microcapsules not provided for in other subclasses · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J13/025 |
| Official title | {Applications of microcapsules not provided for in other subclasses} |
| Display label | Applications of microcapsules not provided for in other subclasses |
| Total patents | 42 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 6 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025250474-A1 · Aug 7, 2025 · US
US-12378458-B1 · Aug 5, 2025 · US
US-2025194664-A1 · Jun 19, 2025 · US
US-2024316523-A1 · Sep 26, 2024 · US
US-11998642-B2 · Jun 4, 2024 · US
US-11905464-B2 · Feb 20, 2024 · US
US-11821109-B2 · Nov 21, 2023 · US
US-2023366125-A1 · Nov 16, 2023 · US
US-2023285973-A1 · Sep 14, 2023 · US
US-11731099-B2 · Aug 22, 2023 · US
US-2023048266-A1 · Feb 16, 2023 · US
US-11572503-B2 · Feb 7, 2023 · US
US-2022378953-A1 · Dec 1, 2022 · US
US-2022306931-A1 · Sep 29, 2022 · US
US-11452784-B2 · Sep 27, 2022 · US
US-11406603-B2 · Aug 9, 2022 · US
US-2022152571-A1 · May 19, 2022 · US
US-2022041925-A1 · Feb 10, 2022 · US
US-2020384133-A1 · Dec 10, 2020 · US
US-10816716-B2 · Oct 27, 2020 · US
Answers are generated from the same data shown on this page.