Heat damper for a waste heat recovery unit and waste heat recovery unit comprising a heat damper
US-2025067427-A1 · Feb 27, 2025 · US
Controlling by flue-gas dampers (for superheaters F22G5/04) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F22B35/001 |
| Official title | {Controlling by flue-gas dampers (for superheaters F22G5/04)} |
| Display label | Controlling by flue-gas dampers (for superheaters F22G5/04) |
| Total patents | 12 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025067427-A1 · Feb 27, 2025 · US
US-12098659-B2 · Sep 24, 2024 · US
US-2024191871-A1 · Jun 13, 2024 · US
US-2024052761-A1 · Feb 15, 2024 · US
US-2022136437-A1 · May 5, 2022 · US
US-11319874-B1 · May 3, 2022 · US
US-11156130-B2 · Oct 26, 2021 · US
US-10851678-B2 · Dec 1, 2020 · US
US-2019383177-A1 · Dec 19, 2019 · US
US-2019218942-A1 · Jul 18, 2019 · US
US-9638064-B2 · May 2, 2017 · US
US-9488369-B2 · Nov 8, 2016 · US