Combustion injection and control method for rotary valve engine
US-12460563-B2 · Nov 4, 2025 · US
with one rotary valve · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01L7/021 |
| Official title | {with one rotary valve} |
| Display label | with one rotary valve |
| Total patents | 11 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 2 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12460563-B2 · Nov 4, 2025 · US
US-2025334063-A1 · Oct 30, 2025 · US
US-2025334062-A1 · Oct 30, 2025 · US
US-12454899-B1 · Oct 28, 2025 · US
US-12366183-B1 · Jul 22, 2025 · US
US-10436100-B2 · Oct 8, 2019 · US
US-10196991-B2 · Feb 5, 2019 · US
US-9765732-B2 · Sep 19, 2017 · US
US-2016201583-A1 · Jul 14, 2016 · US
US-2016195001-A1 · Jul 7, 2016 · US
US-2015027423-A1 · Jan 29, 2015 · US