Volume measuring structure for cylinder head and piston for engine
US-2016369690-A1 · Dec 22, 2016 · US
Arrangement of spark plugs or injectors · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02F1/242 |
| Official title | {Arrangement of spark plugs or injectors} |
| Display label | Arrangement of spark plugs or injectors |
| Total patents | 426 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 44 |
| 2017 | 40 |
| 2018 | 49 |
| 2019 | 50 |
| 2020 | 47 |
| 2021 | 48 |
| 2022 | 43 |
| 2023 | 28 |
| 2024 | 28 |
| 2025 | 16 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2016369690-A1 · Dec 22, 2016 · US
US-2016369691-A1 · Dec 22, 2016 · US
US-2016363041-A1 · Dec 15, 2016 · US
US-2016363094-A1 · Dec 15, 2016 · US
US-2016356201-A1 · Dec 8, 2016 · US
US-2016341106-A1 · Nov 24, 2016 · US
US-2016312685-A1 · Oct 27, 2016 · US
US-2016303672-A1 · Oct 20, 2016 · US
US-2016290279-A1 · Oct 6, 2016 · US
US-2016281633-A1 · Sep 29, 2016 · US
US-2016273481-A1 · Sep 22, 2016 · US
US-9447740-B2 · Sep 20, 2016 · US
US-2016265473-A1 · Sep 15, 2016 · US
US-2016258346-A1 · Sep 8, 2016 · US
US-2016252045-A1 · Sep 1, 2016 · US
US-2016252006-A1 · Sep 1, 2016 · US
US-2016201596-A1 · Jul 14, 2016 · US
US-2016201551-A1 · Jul 14, 2016 · US
US-9382887-B2 · Jul 5, 2016 · US
US-2016160742-A1 · Jun 9, 2016 · US
Answers are generated from the same data shown on this page.