Elevator system with approaching hazard warning system
US-2026001743-A1 · Jan 1, 2026 · US
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Chains
Chains · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66B7/066 |
| Official title | {Chains} |
| Display label | Chains |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Safety chain device and safety protection system for escalator
US-2023312306-A1 · Oct 5, 2023 · US
Destination dispatch sectoring
US-11691845-B2 · Jul 4, 2023 · US
Guide device and elevator system
US-11358833-B2 · Jun 14, 2022 · US
Method and elevator arrangement
US-2022127107-A1 · Apr 28, 2022 · US
Destination dispatch sectoring
US-2021229951-A1 · Jul 29, 2021 · US
Destination dispatch sectoring
US-11027943-B2 · Jun 8, 2021 · US
Guide device and elevator system
US-2021053796-A1 · Feb 25, 2021 · US
Rope, rope arrangement and hoisting device
US-10865070-B2 · Dec 15, 2020 · US
Chain link for a highly resilient conveyor chain of a moving walkway, an escalator or a lift
US-10435276-B2 · Oct 8, 2019 · US
Destination dispatch sectoring
US-2019300327-A1 · Oct 3, 2019 · US
Chain link for a highly resilent conveyor chain of a moving walkway, an escalator or a lift
US-2019218071-A1 · Jul 18, 2019 · US
Elevator
US-10351389-B2 · Jul 16, 2019 · US
Rope, rope arrangement and hoisting device
US-2018186604-A1 · Jul 5, 2018 · US
Elevator
US-2017349409-A1 · Dec 7, 2017 · US