Automatic conveyor and automatic cleaning device for the handrail belt thereof
US-12479702-B2 · Nov 25, 2025 · US
for handrails · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66B31/02 |
| Official title | for handrails |
| Display label | for handrails |
| Total patents | 45 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12479702-B2 · Nov 25, 2025 · US
US-12398019-B2 · Aug 26, 2025 · US
US-12398021-B2 · Aug 26, 2025 · US
US-12180037-B2 · Dec 31, 2024 · US
US-2024409374-A1 · Dec 12, 2024 · US
US-12133925-B2 · Nov 5, 2024 · US
US-2024359951-A1 · Oct 31, 2024 · US
US-2024199382-A1 · Jun 20, 2024 · US
US-2024158207-A1 · May 16, 2024 · US
US-11970366-B2 · Apr 30, 2024 · US
US-11900714-B2 · Feb 13, 2024 · US
US-11884511-B2 · Jan 30, 2024 · US
US-2023312308-A1 · Oct 5, 2023 · US
US-2023271811-A1 · Aug 31, 2023 · US
US-11707545-B2 · Jul 25, 2023 · US
US-2023143319-A1 · May 11, 2023 · US
US-2023106798-A1 · Apr 6, 2023 · US
US-11548765-B2 · Jan 10, 2023 · US
US-11365096-B2 · Jun 21, 2022 · US
US-2022175991-A1 · Jun 9, 2022 · US
Answers are generated from the same data shown on this page.