High-efficiency linear generator
US-12421890-B2 · Sep 23, 2025 · US
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Starting
Starting · 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 | F02B71/02 |
| Official title | Starting |
| Display label | Starting |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-efficiency linear generator
US-2024287930-A1 · Aug 29, 2024 · US
High-efficiency linear generator
US-12000331-B2 · Jun 4, 2024 · US
High-efficiency linear generator
US-2023101969-A1 · Mar 30, 2023 · US
High-efficiency linear generator
US-11525391-B2 · Dec 13, 2022 · US
Control signals for free-piston engines
US-11078792-B2 · Aug 3, 2021 · US
High-efficiency linear combustion engine
US-2021079838-A1 · Mar 18, 2021 · US
High-efficiency linear combustion engine
US-10851708-B2 · Dec 1, 2020 · US
Control signals for free-piston engines
US-2017350248-A1 · Dec 7, 2017 · US