Secondary fuel flow demand fuel pumping system
US-11781484-B2 · Oct 10, 2023 · US
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Feeding/conveying devices
Feeding/conveying devices · 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 | F23K2203/20 |
| Official title | Feeding/conveying devices |
| Display label | Feeding/conveying devices |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2019 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pellet hopper liner
US-11708975-B2 · Jul 25, 2023 · US
Secondary fuel flow demand fuel pumping system
US-2022381187-A1 · Dec 1, 2022 · US
Pellet hopper liner
US-2022034512-A1 · Feb 3, 2022 · US
Pellet hopper liner
US-11162684-B2 · Nov 2, 2021 · US
Simultaneous reaction system and method for organic material pyrolysis and combustion
US-11020702-B2 · Jun 1, 2021 · US
Secondary fuel flow demand fuel pumping system
US-2021079848-A1 · Mar 18, 2021 · US
Solenoid operated valve for reducing excessive piping pressure in a fluid distribution system
US-10883717-B2 · Jan 5, 2021 · US
Solenoid Operated Valve for Reducing Excessive Piping Pressure in a Fluid Distribution System
US-2019277496-A1 · Sep 12, 2019 · US
Pellet hopper liner
US-2019277507-A1 · Sep 12, 2019 · US
A self-powered time sharing reaction system and method for organic materials pyrolysis and combustion
US-2019039010-A1 · Feb 7, 2019 · US
Method for gas treatment of coal
US-9085739-B2 · Jul 21, 2015 · US