of the platinum group metals, iron group metals or copper · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J31/28 |
| Official title | of the platinum group metals, iron group metals or copper |
| Display label | of the platinum group metals, iron group metals or copper |
| Total patents | 265 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 27 |
| 2017 | 25 |
| 2018 | 26 |
| 2019 | 34 |
| 2020 | 22 |
| 2021 | 29 |
| 2022 | 19 |
| 2023 | 21 |
| 2024 | 12 |
| 2025 | 15 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9586199-B2 · Mar 7, 2017 · US
US-2016347734-A1 · Dec 1, 2016 · US
US-2016339416-A1 · Nov 24, 2016 · US
US-2016329571-A1 · Nov 10, 2016 · US
US-2016304795-A1 · Oct 20, 2016 · US
US-2016304792-A1 · Oct 20, 2016 · US
US-2016303555-A1 · Oct 20, 2016 · US
US-2016304418-A1 · Oct 20, 2016 · US
US-2016280725-A1 · Sep 29, 2016 · US
US-2016243534-A1 · Aug 25, 2016 · US
US-2016237188-A1 · Aug 18, 2016 · US
US-9409161-B2 · Aug 9, 2016 · US
US-2016222194-A1 · Aug 4, 2016 · US
US-2016221841-A1 · Aug 4, 2016 · US
US-2016215399-A1 · Jul 28, 2016 · US
US-9382626-B2 · Jul 5, 2016 · US
US-9381507-B2 · Jul 5, 2016 · US
US-2016175830-A1 · Jun 23, 2016 · US
US-9364820-B2 · Jun 14, 2016 · US
US-9364822-B2 · Jun 14, 2016 · US
Answers are generated from the same data shown on this page.