Low compression natural gas engine piston bowl for improved combustion stability
US-12264636-B2 · Apr 1, 2025 · US
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the combustion space having a substantially flat and horizontal bottom
the combustion space having a substantially flat and horizontal bottom · 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 | F02B23/0636 |
| Official title | {the combustion space having a substantially flat and horizontal bottom} |
| Display label | the combustion space having a substantially flat and horizontal bottom |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston optimized for combustion flame speed and compression ratio in engine system
US-12037961-B1 · Jul 16, 2024 · US
Low compression natural gas engine piston bowl for improved combustion stability
US-2024093659-A1 · Mar 21, 2024 · US
Low compression natural gas engine piston bowl for improved combustion stability
US-11840983-B2 · Dec 12, 2023 · US
Low compression natural gas engine piston bowl for improved combustion stability
US-2023265810-A1 · Aug 24, 2023 · US
Engine system for emission reduction without aftertreatment
US-11293339-B2 · Apr 5, 2022 · US
Engine system for emission reduction without aftertreatment
US-2021040880-A1 · Feb 11, 2021 · US
Engine system for emission reduction without aftertreatment
US-10815871-B2 · Oct 27, 2020 · US
Engine system for emission reduction without aftertreatment
US-2020018223-A1 · Jan 16, 2020 · US
Internal combustion engine
US-10247156-B2 · Apr 2, 2019 · US
Internal combustion engine
US-2018216592-A1 · Aug 2, 2018 · US
Piston for prechamber-type gas engine and prechamber-type gas engine
US-10024221-B2 · Jul 17, 2018 · US
Control device of gasoline direct-injection engine
US-9599058-B2 · Mar 21, 2017 · US
Combustion engine piston and engine using same
US-9429101-B2 · Aug 30, 2016 · US
Piston for prechamber-type gas engine and prechamber-type gas engine
US-2016230647-A1 · Aug 11, 2016 · US
Control device of gasoline direct-injection engine
US-2015211431-A1 · Jul 30, 2015 · US
Combustion Engine Piston and Engine Using Same
US-2015053167-A1 · Feb 26, 2015 · US