Engine having hotspot fuel igniter and piston and methodology using same
US-12565865-B2 · Mar 3, 2026 · US
with non-timed positive ignition, e.g. with hot-spots · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B9/06 |
| Official title | with non-timed positive ignition, e.g. with hot-spots |
| Display label | with non-timed positive ignition, e.g. with hot-spots |
| Total patents | 10 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12565865-B2 · Mar 3, 2026 · US
US-2025270969-A1 · Aug 28, 2025 · US
US-12168952-B1 · Dec 17, 2024 · US
US-12123383-B2 · Oct 22, 2024 · US
US-11873779-B2 · Jan 16, 2024 · US
US-2023392569-A1 · Dec 7, 2023 · US
US-2023193849-A1 · Jun 22, 2023 · US
US-10082292-B1 · Sep 25, 2018 · US
US-9822977-B1 · Nov 21, 2017 · US
US-9181869-B2 · Nov 10, 2015 · US