Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01G49/08 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 201 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 15 |
| 2017 | 12 |
| 2018 | 22 |
| 2019 | 22 |
| 2020 | 16 |
| 2021 | 20 |
| 2022 | 24 |
| 2023 | 24 |
| 2024 | 15 |
| 2025 | 10 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018358155-A1 · Dec 13, 2018 · US
US-2018327659-A1 · Nov 15, 2018 · US
US-2018327259-A1 · Nov 15, 2018 · US
US-10124045-B2 · Nov 13, 2018 · US
US-2018304325-A1 · Oct 25, 2018 · US
US-2018297857-A1 · Oct 18, 2018 · US
US-2018254130-A1 · Sep 6, 2018 · US
US-2018206366-A1 · Jul 19, 2018 · US
US-2018194696-A1 · Jul 12, 2018 · US
US-9938520-B2 · Apr 10, 2018 · US
US-2018057680-A1 · Mar 1, 2018 · US
US-2018057679-A1 · Mar 1, 2018 · US
US-9902631-B2 · Feb 27, 2018 · US
US-2018016162-A1 · Jan 18, 2018 · US
US-9862831-B2 · Jan 9, 2018 · US
US-9850389-B1 · Dec 26, 2017 · US
US-9809476-B2 · Nov 7, 2017 · US
US-9776154-B2 · Oct 3, 2017 · US
US-2017217770-A1 · Aug 3, 2017 · US
US-9719417-B2 · Aug 1, 2017 · US
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