Multi-configuration fire pit grate
US-12504172-B1 · Dec 23, 2025 · US
Mechanical Engineering
Mechanical Engineering · 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 | F24B5/021 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 8 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustible fuel burning fire pit
US-2025362022-A1 · Nov 27, 2025 · US
Combustible fuel burning fire pit
US-12422144-B2 · Sep 23, 2025 · US
Gravity fed smoker
US-2025185848-A1 · Jun 12, 2025 · US
Portable fireplace
US-2025093035-A1 · Mar 20, 2025 · US
Combustible fuel burning fire pit
US-2025052426-A1 · Feb 13, 2025 · US
Combustible fuel burning fire pit
US-12209751-B2 · Jan 28, 2025 · US
Combustion chamber for pellet grills
US-2025003595-A1 · Jan 2, 2025 · US
Pellet grill with two piece firebox
US-12127708-B2 · Oct 29, 2024 · US
Combustible fuel burning fire pit
US-2024280266-A1 · Aug 22, 2024 · US
Particle exhaust sensor for a solid fuel-burning appliance and solid fuel-burning appliance including same
US-2024230101-A1 · Jul 11, 2024 · US
Combustion chamber for pellet grills
US-11976822-B2 · May 7, 2024 · US
Combustible fuel burning fire pit
US-2024125477-A1 · Apr 18, 2024 · US
Combustible fuel burning fire pit
US-11953207-B1 · Apr 9, 2024 · US
Fire pit ventilation features
US-11885500-B1 · Jan 30, 2024 · US
Combustible fuel burning fire pit with removable fire grate and ash pan
US-11879641-B2 · Jan 23, 2024 · US
Pellet grill
US-11730315-B2 · Aug 22, 2023 · US
Combustible fuel burning fire pit with removable fire grate
US-11391465-B1 · Jul 19, 2022 · US
Pellet grill with two piece firebox
US-2022133087-A1 · May 5, 2022 · US
Combustion chamber for pellet grills
US-2020333011-A1 · Oct 22, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24B5/021?
- CPC F24B5/021 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F24B5/021 (Mechanical Engineering)?
- Our database includes 23 publications tagged with this CPC code.
- Is patent activity under CPC F24B5/021 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).