Optical feedback control mechanism for solid reactant strand positioning
US-12460816-B2 · Nov 4, 2025 · US
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using screws
using screws · 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 | F23K2203/202 |
| Official title | using screws |
| Display label | using screws |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hopper cleanout and pellet handling mechanism
US-12241627-B2 · Mar 4, 2025 · US
Ignition-based protocols for pellet grills
US-2024053018-A1 · Feb 15, 2024 · US
Ignition-based protocols for pellet grills
US-11885499-B2 · Jan 30, 2024 · US
Optical feedback control mechanism for solid reactant strand positioning
US-2023366542-A1 · Nov 16, 2023 · US
Ignition-based protocols for pellet grills
US-2023204216-A1 · Jun 29, 2023 · US
Ignition-based protocols for pellet grills
US-11624505-B2 · Apr 11, 2023 · US
Pellet feeder shut-off mechanism for pellet grills and smokers
US-2022142405-A1 · May 12, 2022 · US
Hopper cleanout and pellet handling mechanism
US-2021341144-A1 · Nov 4, 2021 · US
Pellet hopper liner
US-11162684-B2 · Nov 2, 2021 · US
Ignition-based protocols for pellet grills
US-2021293413-A1 · Sep 23, 2021 · US
Simultaneous reaction system and method for organic material pyrolysis and combustion
US-11020702-B2 · Jun 1, 2021 · US
Battery enabled pellet grill
US-2020214501-A1 · Jul 9, 2020 · US
Methods and devices for even distribution of solid fuel materials
US-10443841-B2 · Oct 15, 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
Methods and devices for even distribution of solid fuel materials
US-2017356644-A1 · Dec 14, 2017 · US
Gasification furnace raw material supplying apparatus
US-9192900-B2 · Nov 24, 2015 · US
Solid fuel transporting system for a gasifier
US-8926231-B2 · Jan 6, 2015 · US