Combustion-chamber structure of engine
US-11078866-B1 · Aug 3, 2021 · US
having expansion-controlling inserts · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02F3/04 |
| Official title | having expansion-controlling inserts |
| Display label | having expansion-controlling inserts |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11078866-B1 · Aug 3, 2021 · US
US-10724467-B2 · Jul 28, 2020 · US
US-2018128203-A1 · May 10, 2018 · US
US-2018128202-A1 · May 10, 2018 · US
US-9010296-B2 · Apr 21, 2015 · US
US-2015096524-A1 · Apr 9, 2015 · US