Spark discharge ignition promoting method, spark discharge ignition promoting apparatus, and engine with spark discharge ignition promoting apparatus
US-2019323476-A1 · Oct 24, 2019 · US
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02P15/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 130 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 13 |
| 2017 | 17 |
| 2018 | 14 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 14 |
| 2023 | 21 |
| 2024 | 10 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019323476-A1 · Oct 24, 2019 · US
US-2019203636-A1 · Jul 4, 2019 · US
US-10288031-B2 · May 14, 2019 · US
US-2019101048-A1 · Apr 4, 2019 · US
US-2019101047-A1 · Apr 4, 2019 · US
US-2019078498-A1 · Mar 14, 2019 · US
US-2018340506-A1 · Nov 29, 2018 · US
US-10132286-B2 · Nov 20, 2018 · US
US-2018298873-A1 · Oct 18, 2018 · US
US-10100743-B2 · Oct 16, 2018 · US
US-2018266382-A1 · Sep 20, 2018 · US
US-10066580-B2 · Sep 4, 2018 · US
US-2018195485-A1 · Jul 12, 2018 · US
US-10012134-B2 · Jul 3, 2018 · US
US-2018135590-A1 · May 17, 2018 · US
US-2018128157-A1 · May 10, 2018 · US
US-2018115280-A1 · Apr 26, 2018 · US
US-9920737-B2 · Mar 20, 2018 · US
US-9915207-B2 · Mar 13, 2018 · US
US-9860968-B2 · Jan 2, 2018 · US
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