Pellet grills
US-12535219-B2 · Jan 27, 2026 · US
the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed · 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 | F23B50/12 |
| Official title | the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed |
| Display label | the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 2 |
| 2020 | 10 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gravity fed smoker
US-2025031903-A1 · Jan 30, 2025 · US
Combustion chamber for pellet grills
US-2025003595-A1 · Jan 2, 2025 · US
Pellet grills
US-12140314-B2 · Nov 12, 2024 · US
Combustion chamber for pellet grills
US-11976822-B2 · May 7, 2024 · US
Pellet grills
US-2024035665-A1 · Feb 1, 2024 · US
Pellet grills
US-2023358408-A1 · Nov 9, 2023 · US
Pellet grills
US-11739938-B2 · Aug 29, 2023 · US
Pellet hopper liner
US-11708975-B2 · Jul 25, 2023 · US
Pellet grills
US-11371712-B2 · Jun 28, 2022 · US
Pellet grills
US-11359817-B2 · Jun 14, 2022 · US
Pellet grills
US-11248801-B2 · Feb 15, 2022 · US
Pellet grills
US-11248798-B2 · Feb 15, 2022 · US
Pellet grills
US-11248800-B2 · Feb 15, 2022 · US
Pellet grills
US-11248799-B2 · Feb 15, 2022 · US
Pellet hopper liner
US-2022034512-A1 · Feb 3, 2022 · US
Pellet grills
US-11181277-B2 · Nov 23, 2021 · US
Pellet hopper liner
US-11162684-B2 · Nov 2, 2021 · US
Combustion chamber for pellet grills
US-2020333011-A1 · Oct 22, 2020 · US
Pellet grills
US-2020237146-A1 · Jul 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23B50/12?
- CPC F23B50/12 is the Cooperative Patent Classification code for “the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed.”
- How many patents are filed under CPC F23B50/12 (the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F23B50/12 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).