Internal combustion engine for gaseous fuel
US-12253046-B2 · Mar 18, 2025 · US
with positive ignition (with non-timed positive ignition F02B9/06) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B3/02 |
| Official title | with positive ignition (with non-timed positive ignition F02B9/06) |
| Display label | with positive ignition (with non-timed positive ignition F02B9/06) |
| Total patents | 18 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12253046-B2 · Mar 18, 2025 · US
US-2024068426-A1 · Feb 29, 2024 · US
US-11840984-B2 · Dec 12, 2023 · US
US-2023193848-A1 · Jun 22, 2023 · US
US-11149675-B2 · Oct 19, 2021 · US
US-2021025318-A1 · Jan 28, 2021 · US
US-10823127-B2 · Nov 3, 2020 · US
US-10787985-B2 · Sep 29, 2020 · US
US-10677143-B2 · Jun 9, 2020 · US
US-2020141348-A1 · May 7, 2020 · US
US-10605193-B2 · Mar 31, 2020 · US
US-10458380-B2 · Oct 29, 2019 · US
US-2019285037-A1 · Sep 19, 2019 · US
US-2019285038-A1 · Sep 19, 2019 · US
US-2019186405-A1 · Jun 20, 2019 · US
US-2019107040-A1 · Apr 11, 2019 · US
US-10100772-B2 · Oct 16, 2018 · US
US-2018171926-A1 · Jun 21, 2018 · US