Automatic conveyor and automatic cleaning device for the handrail belt thereof
US-12479702-B2 · Nov 25, 2025 · US
for cleaning steps or pallets · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66B31/003 |
| Official title | {for cleaning steps or pallets} |
| Display label | for cleaning steps or pallets |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 3 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12479702-B2 · Nov 25, 2025 · US
US-12398021-B2 · Aug 26, 2025 · US
US-2025162839-A1 · May 22, 2025 · US
US-2025066162-A1 · Feb 27, 2025 · US
US-2024359951-A1 · Oct 31, 2024 · US
US-2024199382-A1 · Jun 20, 2024 · US
US-2024158207-A1 · May 16, 2024 · US
US-11505431-B2 · Nov 22, 2022 · US
US-2021101784-A1 · Apr 8, 2021 · US