A pre-chamber arrangement for a gas engine and a gas engine
US-2021355860-A1 · Nov 18, 2021 · US
pre-combustion chamber and cylinder being fed with fuel-air mixture(s) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B19/1023 |
| Official title | {pre-combustion chamber and cylinder being fed with fuel-air mixture(s)} |
| Display label | pre-combustion chamber and cylinder being fed with fuel-air mixture(s) |
| Total patents | 127 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 14 |
| 2022 | 15 |
| 2023 | 36 |
| 2024 | 12 |
| 2025 | 2 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2021355860-A1 · Nov 18, 2021 · US
US-11156147-B1 · Oct 26, 2021 · US
US-2021324784-A1 · Oct 21, 2021 · US
US-11092063-B1 · Aug 17, 2021 · US
US-2021246862-A1 · Aug 12, 2021 · US
US-11073097-B1 · Jul 27, 2021 · US
US-11060443-B1 · Jul 13, 2021 · US
US-2021207523-A1 · Jul 8, 2021 · US
US-11047292-B2 · Jun 29, 2021 · US
US-2021189946-A1 · Jun 24, 2021 · US
US-2021115840-A1 · Apr 22, 2021 · US
US-10982587-B2 · Apr 20, 2021 · US
US-10947948-B1 · Mar 16, 2021 · US
US-10883413-B2 · Jan 5, 2021 · US
US-10837373-B2 · Nov 17, 2020 · US
US-10830201-B2 · Nov 10, 2020 · US
US-10823126-B2 · Nov 3, 2020 · US
US-2020276692-A1 · Sep 3, 2020 · US
US-2020165962-A1 · May 28, 2020 · US
US-2020123963-A1 · Apr 23, 2020 · US
Answers are generated from the same data shown on this page.