Piston and internal combustion engine having such a piston
US-12209552-B2 · Jan 28, 2025 · US
Engines characterised by precombustion chambers
Engines characterised by precombustion chambers · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B19/00 |
| Official title | Engines characterised by precombustion chambers |
| Display label | Engines characterised by precombustion chambers |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Conditioning of a pre-chamber gas flow for a combustion engine
US-12163492-B2 · Dec 10, 2024 · US
Pre-chamber and internal combustion engine
US-12078094-B2 · Sep 3, 2024 · US
Pre-chamber and internal combustion engine
US-2024247605-A1 · Jul 25, 2024 · US
Conditioning of a pre-chamber gas flow for a combustion engine
US-2024183326-A1 · Jun 6, 2024 · US
Method for operating an internal combustion engine
US-11885256-B2 · Jan 30, 2024 · US
Piston and internal combustion engine having such a piston
US-2023417204-A1 · Dec 28, 2023 · US
Fuel supply system for active pre-combustor
US-11788458-B2 · Oct 17, 2023 · US
Fuel supply system for active pre-combustor
US-2023160334-A1 · May 25, 2023 · US
Seal and method for a fuel gas supply to a pre-combustion chamber
US-11549466-B2 · Jan 10, 2023 · US
Method for operating an internal combustion engine
US-2022307412-A1 · Sep 29, 2022 · US
Seal and Method for a Fuel Gas Supply to a Pre-Combustion Chamber
US-2022136461-A1 · May 5, 2022 · US
Supply of an active prechamber for turbocharged gasoline engines with an air extraction downstream of an exhaust gas turbocharger
US-11319904-B2 · May 3, 2022 · US
Systems and methods for adjustable pre-chamber
US-11293337-B1 · Apr 5, 2022 · US
Systems and methods for a combined pre-chamber and thermactor air system
US-11255240-B1 · Feb 22, 2022 · US
Rotary internal combustion engine with removable subchamber insert
US-11028768-B2 · Jun 8, 2021 · US
Supply of an active prechamber for turbocharged gasoline engines with an air extraction downstream of an exhaust gas turbocharger
US-2021115880-A1 · Apr 22, 2021 · US
Internal combustion engine
US-10767549-B2 · Sep 8, 2020 · US
Method of remanufacturing a prechamber assembly
US-10662865-B2 · May 26, 2020 · US
Rotary internal combustion engine with removable subchamber insert
US-2020158011-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B19/00?
- CPC F02B19/00 is the Cooperative Patent Classification code for “Engines characterised by precombustion chambers.”
- How many patents are filed under CPC F02B19/00 (Engines characterised by precombustion chambers)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F02B19/00 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).