Device and method for preparing low-impurity regenerated brass alloy through step-by-step insertion of electrode
US-11981979-B2 · May 14, 2024 · US
with lead as the next major constituent · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22C9/08 |
| Official title | with lead as the next major constituent |
| Display label | with lead as the next major constituent |
| Total patents | 32 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11981979-B2 · May 14, 2024 · US
US-2024043964-A1 · Feb 8, 2024 · US
US-11649527-B2 · May 16, 2023 · US
US-11427888-B2 · Aug 30, 2022 · US
US-2022228238-A1 · Jul 21, 2022 · US
US-11107499-B2 · Aug 31, 2021 · US
US-11098761-B2 · Aug 24, 2021 · US
US-10984931-B2 · Apr 20, 2021 · US
US-2021095720-A1 · Apr 1, 2021 · US
US-10964347-B2 · Mar 30, 2021 · US
US-10955003-B2 · Mar 23, 2021 · US
US-2021010105-A1 · Jan 14, 2021 · US
US-2020227086-A1 · Jul 16, 2020 · US
US-10482914-B2 · Nov 19, 2019 · US
US-2019301529-A1 · Oct 3, 2019 · US
US-2019088280-A1 · Mar 21, 2019 · US
US-2019055625-A1 · Feb 21, 2019 · US
US-2018366153-A1 · Dec 20, 2018 · US
US-10134436-B2 · Nov 20, 2018 · US
US-2018137889-A1 · May 17, 2018 · US
Answers are generated from the same data shown on this page.