Sulfur Recovery Unit with Fuel Gas Firing
US-2023365406-A1 · Nov 16, 2023 · US
Catalytic converters · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B17/043 |
| Official title | {Catalytic converters} |
| Display label | Catalytic converters |
| Total patents | 11 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023365406-A1 · Nov 16, 2023 · US
US-11772970-B1 · Oct 3, 2023 · US
US-10954127-B2 · Mar 23, 2021 · US
US-10954126-B2 · Mar 23, 2021 · US
US-2020239308-A1 · Jul 30, 2020 · US
US-2020239309-A1 · Jul 30, 2020 · US
US-10676356-B2 · Jun 9, 2020 · US
US-2019300368-A1 · Oct 3, 2019 · US
US-9682343-B2 · Jun 20, 2017 · US
US-2016296878-A1 · Oct 13, 2016 · US
US-9005566-B2 · Apr 14, 2015 · US