Pneumatic conveying system and circulating fluidized bed boiler
US-12571534-B2 · Mar 10, 2026 · US
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using pneumatic means
using pneumatic means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23K2203/201 |
| Official title | using pneumatic means |
| Display label | using pneumatic means |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pneumatic conveying system and circulating fluidized bed boiler
US-2025383085-A1 · Dec 18, 2025 · US
Pulverizing device, throat for pulverizing device, and pulverized-coal fired boiler
US-10974251-B2 · Apr 13, 2021 · US
Hybrid boiler-dryer and method
US-10976049-B2 · Apr 13, 2021 · US
Hybrid boiler-dryer and method
US-2020300454-A1 · Sep 24, 2020 · US
Pulverizing device, throat for pulverizing device, and pulverized-coal fired boiler
US-2018372313-A1 · Dec 27, 2018 · US
Combustion system
US-10012382-B2 · Jul 3, 2018 · US
Combination of pressure charging and metering for continuously supplying pulverized fuel into an entrained-flow gasifying reactor with long conveying distances
US-9939152-B2 · Apr 10, 2018 · US
Combustion burner, solid-fuel-combustion burner, solid-fuel-combustion boiler, boiler, and method for operating boiler
US-9671108-B2 · Jun 6, 2017 · US
Assembly for fossil fuel distribution
US-9657944-B2 · May 23, 2017 · US
Solid-fuel burner
US-9599335-B2 · Mar 21, 2017 · US
Fuel head assembly with replaceable wear components
US-9593795-B2 · Mar 14, 2017 · US
Combustion burner, solid-fuel-combustion burner, solid-fuel-combustion boiler, boiler, and method for operating boiler
US-2017045221-A1 · Feb 16, 2017 · US
Combustion burner, solid-fuel-combustion burner, solid-fuel-combustion boiler, boiler, and method for operating boiler
US-2016356489-A1 · Dec 8, 2016 · US
Combustion burner, solid-fuel-combustion burner, solid-fuel-combustion boiler, boiler, and method for operating boiler
US-2016356494-A1 · Dec 8, 2016 · US
Combustion burner, solid-fuel-combustion burner, solid-fuel-combustion boiler, boiler, and method for operating boiler
US-2016356490-A1 · Dec 8, 2016 · US
Dual phase fuel feeder for boilers
US-9482428-B2 · Nov 1, 2016 · US
Combustion system
US-2016061446-A1 · Mar 3, 2016 · US
Bin system and char recovery unit
US-9199806-B2 · Dec 1, 2015 · US
Coal rope distributor with replaceable wear components
US-9151493-B2 · Oct 6, 2015 · US