Internal combustion engine with spark plug and prechamber spark plug
US-12385446-B2 · Aug 12, 2025 · US
the spray interacting with one or more glow plugs · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B23/0657 |
| Official title | {the spray interacting with one or more glow plugs} |
| Display label | the spray interacting with one or more glow plugs |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12385446-B2 · Aug 12, 2025 · US
US-12123383-B2 · Oct 22, 2024 · US
US-2024229734-A9 · Jul 11, 2024 · US
US-2024133350-A1 · Apr 25, 2024 · US
US-2023392569-A1 · Dec 7, 2023 · US
US-9915222-B2 · Mar 13, 2018 · US
US-2015275820-A1 · Oct 1, 2015 · US