Member Profile Population
US-2025305444-A1 · Oct 2, 2025 · US
The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087)
The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087) · 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 | F02B19/165 |
| Official title | {The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087)} |
| Display label | The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087) |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine with monolithic pilot chamber structure
US-2025101907-A1 · Mar 27, 2025 · US
Internal combustion engine with monolithic pilot chamber structure
US-12163462-B1 · Dec 10, 2024 · US
Internal combustion engine with ceramic pilot chamber component(s)
US-2024344700-A1 · Oct 17, 2024 · US
Internal combustion engine with ceramic pilot chamber component(s)
US-12117173-B1 · Oct 15, 2024 · US
Guide stud valve
US-11867114-B2 · Jan 9, 2024 · US
Passive prechamber spark plug
US-11815005-B2 · Nov 14, 2023 · US
Passive prechamber spark plug
US-11749972-B2 · Sep 5, 2023 · US
Passive Prechamber Spark Plug
US-2023093289-A1 · Mar 23, 2023 · US
Passive Prechamber Spark Plug
US-2023082577-A1 · Mar 16, 2023 · US
Flowpath assembly with composite tube array
US-2022252012-A1 · Aug 11, 2022 · US
Clapet a teton de guidage
US-2022120208-A1 · Apr 21, 2022 · US
Pre-chamber type diesel engine
US-2022010721-A1 · Jan 13, 2022 · US
Internal combustion engine with pre-chamber
US-11215109-B2 · Jan 4, 2022 · US
Thermal architecture of an air compressor
US-11209004-B2 · Dec 28, 2021 · US
Active prechamber for use in an internal combustion engine
US-11156148-B1 · Oct 26, 2021 · US
Internal combustion engine with pre-chamber
US-2021246822-A1 · Aug 12, 2021 · US
Thermal architecture of an air compressor
US-2021239124-A1 · Aug 5, 2021 · US
Rotary internal combustion engine with pilot subchamber
US-10578012-B2 · Mar 3, 2020 · US
Rotary internal combustion engine with pilot subchamber
US-2018187593-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B19/165?
- CPC F02B19/165 is the Cooperative Patent Classification code for “The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087).”
- How many patents are filed under CPC F02B19/165 (The shape or construction of the pre-combustion chambers is specially adapted to be formed, at least in part, of ceramic material (surface coverings of combustion-gas-swept parts F02B77/02; shaped ceramic products characterised by their composition or ceramic compositions C04B35/00; ceramic material for engine casings F02F7/0087))?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F02B19/165 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).