Seal arrangement of a rotary kiln
US-2025224178-A1 · Jul 10, 2025 · US
Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23B30/00 |
| Official title | Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber |
| Display label | Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025224178-A1 · Jul 10, 2025 · US
US-11142717-B2 · Oct 12, 2021 · US
US-2020299600-A1 · Sep 24, 2020 · US
US-10340434-B2 · Jul 2, 2019 · US
US-2018306435-A1 · Oct 25, 2018 · US
US-2018163961-A1 · Jun 14, 2018 · US
US-2017008765-A1 · Jan 12, 2017 · US
US-2016225975-A1 · Aug 4, 2016 · US