Sound-absorbing material particle and preparation method thereof
US-11661348-B2 · May 30, 2023 · US
Agglomerated materials {, e.g. artificial aggregates} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B18/02 |
| Official title | Agglomerated materials {, e.g. artificial aggregates} |
| Display label | Agglomerated materials {, e.g. artificial aggregates} |
| Total patents | 81 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 13 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 7 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11661348-B2 · May 30, 2023 · US
US-11577996-B2 · Feb 14, 2023 · US
US-11492293-B2 · Nov 8, 2022 · US
US-11427506-B2 · Aug 30, 2022 · US
US-11377564-B2 · Jul 5, 2022 · US
US-2022153641-A1 · May 19, 2022 · US
US-11254820-B2 · Feb 22, 2022 · US
US-11236018-B2 · Feb 1, 2022 · US
US-2021395147-A1 · Dec 23, 2021 · US
US-2021387914-A1 · Dec 16, 2021 · US
US-2021380478-A1 · Dec 9, 2021 · US
US-2021380479-A1 · Dec 9, 2021 · US
US-2021363059-A1 · Nov 25, 2021 · US
US-11168027-B2 · Nov 9, 2021 · US
US-2021269359-A1 · Sep 2, 2021 · US
US-11014852-B2 · May 25, 2021 · US
US-2021147295-A1 · May 20, 2021 · US
US-2021039993-A1 · Feb 11, 2021 · US
US-2021024418-A1 · Jan 28, 2021 · US
US-2021024416-A1 · Jan 28, 2021 · US
Answers are generated from the same data shown on this page.