Cluster compounds containing [Mn3SrO4] and [Mn4SrO4] core structures, preparation method and application thereof
US-11511266-B2 · Nov 29, 2022 · US
Preparation of oxygen (by liquefying F25J) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B13/02 |
| Official title | Preparation of oxygen (by liquefying F25J) |
| Display label | Preparation of oxygen (by liquefying F25J) |
| Total patents | 94 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 14 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 15 |
| 2025 | 7 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11511266-B2 · Nov 29, 2022 · US
US-2022090278-A1 · Mar 24, 2022 · US
US-11248304-B2 · Feb 15, 2022 · US
US-2021354113-A1 · Nov 18, 2021 · US
US-2021322948-A1 · Oct 21, 2021 · US
US-11097847-B2 · Aug 24, 2021 · US
US-2021178103-A1 · Jun 17, 2021 · US
US-10912905-B2 · Feb 9, 2021 · US
US-2020385873-A1 · Dec 10, 2020 · US
US-10835629-B2 · Nov 17, 2020 · US
US-2020290031-A1 · Sep 17, 2020 · US
US-2020254200-A1 · Aug 13, 2020 · US
US-2020173044-A1 · Jun 4, 2020 · US
US-10583265-B2 · Mar 10, 2020 · US
US-10421065-B2 · Sep 24, 2019 · US
US-2019170346-A1 · Jun 6, 2019 · US
US-2019152612-A1 · May 23, 2019 · US
US-10213735-B2 · Feb 26, 2019 · US
US-10188821-B2 · Jan 29, 2019 · US
US-2018331370-A1 · Nov 15, 2018 · US
Answers are generated from the same data shown on this page.