System and method for monitoring an exhaust gas purification system
US-12492658-B2 · Dec 9, 2025 · US
for measuring or detecting hydrogen H2 · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01N2560/024 |
| Official title | for measuring or detecting hydrogen H2 |
| Display label | for measuring or detecting hydrogen H2 |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12492658-B2 · Dec 9, 2025 · US
US-2024287926-A1 · Aug 29, 2024 · US
US-2024125750-A1 · Apr 18, 2024 · US
US-2024003285-A1 · Jan 4, 2024 · US
US-11649754-B2 · May 16, 2023 · US
US-2023003155-A1 · Jan 5, 2023 · US
US-10921302-B2 · Feb 16, 2021 · US
US-10619602-B2 · Apr 14, 2020 · US
US-2019345901-A1 · Nov 14, 2019 · US
US-2019339239-A1 · Nov 7, 2019 · US
US-9709425-B2 · Jul 18, 2017 · US
US-2017059538-A1 · Mar 2, 2017 · US
US-2015143901-A1 · May 28, 2015 · US