Spray evaporation of a liquid raw material for preparation of silicon dioxide and metal oxides
US-12410061-B2 · Sep 9, 2025 · US
by oxidation or hydrolysis of sprayed or atomised solutions · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B13/34 |
| Official title | by oxidation or hydrolysis of sprayed or atomised solutions |
| Display label | by oxidation or hydrolysis of sprayed or atomised solutions |
| Total patents | 41 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12410061-B2 · Sep 9, 2025 · US
US-2023037614-A1 · Feb 9, 2023 · US
US-2023035202-A1 · Feb 2, 2023 · US
US-2022356071-A1 · Nov 10, 2022 · US
US-11434146-B2 · Sep 6, 2022 · US
US-2022274843-A1 · Sep 1, 2022 · US
US-11358876-B2 · Jun 14, 2022 · US
US-11299394-B2 · Apr 12, 2022 · US
US-2021367264-A1 · Nov 25, 2021 · US
US-2021114874-A1 · Apr 22, 2021 · US
US-10906105-B2 · Feb 2, 2021 · US
US-10889507-B2 · Jan 12, 2021 · US
US-10874891-B2 · Dec 29, 2020 · US
US-2020231438-A1 · Jul 23, 2020 · US
US-2020140282-A1 · May 7, 2020 · US
US-10604418-B2 · Mar 31, 2020 · US
US-2019352189-A1 · Nov 21, 2019 · US
US-2019321894-A1 · Oct 24, 2019 · US
US-10384940-B2 · Aug 20, 2019 · US
US-10256402-B1 · Apr 9, 2019 · US
Answers are generated from the same data shown on this page.