Pre-chamber spark plug for a combustion chamber of an internal combustion engine, internal combustion engine, and motor vehicle
US-11815006-B2 · Nov 14, 2023 · US
with only one pre-combustion chamber (F02B19/1004 take precedence)
with only one pre-combustion chamber (F02B19/1004 take precedence) · 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 | F02B19/1019 |
| Official title | {with only one pre-combustion chamber (F02B19/1004 take precedence)} |
| Display label | with only one pre-combustion chamber (F02B19/1004 take precedence) |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 15 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine
US-2023175429-A1 · Jun 8, 2023 · US
Pre-Chamber Spark Plug for a Combustion Chamber of an Internal Combustion Engine, Internal Combustion Engine, and Motor Vehicle
US-2023140543-A1 · May 4, 2023 · US
Pre-Chamber Spark Plug for a Combustion Chamber of an Internal Combustion Engine, Internal Combustion Engine and Motor Vehicle
US-2023097104-A1 · Mar 30, 2023 · US
Pre-chamber arrangement for a gas engine and a gas engine
US-11578683-B2 · Feb 14, 2023 · US
Precombustion chamber gas engine
US-11566559-B2 · Jan 31, 2023 · US
Pre-Chamber Spark Plug for a Combustion Chamber of a Combustion Engine, Combustion Engine, and Motor Vehicle
US-2023010739-A1 · Jan 12, 2023 · US
Pre-Chamber Spark Plug for a Combustion Chamber of a Combustion Engine, Combustion Engine and Motor Vehicle
US-2023009522-A1 · Jan 12, 2023 · US
Engine turbulent jet ignition system
US-11408329-B2 · Aug 9, 2022 · US
Systems and methods for adjustable pre-chamber
US-11378002-B1 · Jul 5, 2022 · US
Feed and ignition device for a gas engine and method for operating a feed and ignition device for a gas engine
US-11352982-B2 · Jun 7, 2022 · US
Method of Providing Passive Pre-Chamber Ignition with Varying Nozzle Sizes for Internal Combustion Engine
US-2022170410-A1 · Jun 2, 2022 · US
Engine system for emission reduction without aftertreatment
US-11293339-B2 · Apr 5, 2022 · US
Assemblies for engines
US-2022049643-A1 · Feb 17, 2022 · US
Methods and systems for pre-chamber operation during catalyst heating
US-11248551-B1 · Feb 15, 2022 · US
A pre-chamber arrangement for a gas engine and a gas engine
US-2022034282-A1 · Feb 3, 2022 · US
Systems for a pre-chamber
US-11236662-B2 · Feb 1, 2022 · US
Systems for a pre-chamber
US-2022003146-A1 · Jan 6, 2022 · US
Internal combustion engine with pre-chamber
US-11215109-B2 · Jan 4, 2022 · US
Precombustion chamber gas engine
US-2021404373-A1 · Dec 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B19/1019?
- CPC F02B19/1019 is the Cooperative Patent Classification code for “with only one pre-combustion chamber (F02B19/1004 take precedence).”
- How many patents are filed under CPC F02B19/1019 (with only one pre-combustion chamber (F02B19/1004 take precedence))?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC F02B19/1019 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).