Hybrid boiler-dryer and method
US-11142717-B2 · Oct 12, 2021 · US
with fluegas recirculation to combustion chamber · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23B7/007 |
| Official title | {with fluegas recirculation to combustion chamber} |
| Display label | with fluegas recirculation to combustion chamber |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11142717-B2 · Oct 12, 2021 · US
US-2020299600-A1 · Sep 24, 2020 · US
US-10451271-B2 · Oct 22, 2019 · US
US-2019186731-A1 · Jun 20, 2019 · US
US-9874346-B2 · Jan 23, 2018 · US