Multistep pretreatment · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C18/1837 |
| Official title | {Multistep pretreatment} |
| Display label | Multistep pretreatment |
| Total patents | 34 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024417837-A1 · Dec 19, 2024 · US
US-2024344202-A1 · Oct 17, 2024 · US
US-2024165921-A1 · May 23, 2024 · US
US-11814717-B2 · Nov 14, 2023 · US
US-11781236-B2 · Oct 10, 2023 · US
US-11486394-B2 · Nov 1, 2022 · US
US-2021310127-A1 · Oct 7, 2021 · US
US-11081417-B2 · Aug 3, 2021 · US
US-11001928-B2 · May 11, 2021 · US
US-10903081-B2 · Jan 26, 2021 · US
US-2020332431-A1 · Oct 22, 2020 · US
US-2020248688-A1 · Aug 6, 2020 · US
US-2020224315-A1 · Jul 16, 2020 · US
US-2019341324-A1 · Nov 7, 2019 · US
US-2019337086-A1 · Nov 7, 2019 · US
US-10396007-B2 · Aug 27, 2019 · US
US-2019169764-A1 · Jun 6, 2019 · US
US-10287689-B2 · May 14, 2019 · US
US-2018187309-A1 · Jul 5, 2018 · US
US-2018122641-A1 · May 3, 2018 · US
Answers are generated from the same data shown on this page.