Automatic step cleaning device for passenger conveyor and passenger conveyor
US-2025162839-A1 · May 22, 2025 · US
Chains therefor · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66B23/024 |
| Official title | {Chains therefor} |
| Display label | Chains therefor |
| Total patents | 59 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 16 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025162839-A1 · May 22, 2025 · US
US-2024367944-A1 · Nov 7, 2024 · US
US-2024279028-A1 · Aug 22, 2024 · US
US-11479446-B2 · Oct 25, 2022 · US
US-11459212-B2 · Oct 4, 2022 · US
US-11339029-B2 · May 24, 2022 · US
US-2022081259-A1 · Mar 17, 2022 · US
US-2021371247-A1 · Dec 2, 2021 · US
US-2021339986-A1 · Nov 4, 2021 · US
US-2021284505-A1 · Sep 16, 2021 · US
US-11117788-B1 · Sep 14, 2021 · US
US-11091354-B2 · Aug 17, 2021 · US
US-11034552-B2 · Jun 15, 2021 · US
US-2021101786-A1 · Apr 8, 2021 · US
US-10968080-B2 · Apr 6, 2021 · US
US-10954104-B2 · Mar 23, 2021 · US
US-10875745-B2 · Dec 29, 2020 · US
US-10843903-B2 · Nov 24, 2020 · US
US-10829346-B2 · Nov 10, 2020 · US
US-2020325004-A1 · Oct 15, 2020 · US
Answers are generated from the same data shown on this page.