Elevator system
US-11279592-B2 · Mar 22, 2022 · US
where the abnormal operating condition is caused by a natural event, e.g. earthquake
where the abnormal operating condition is caused by a natural event, e.g. earthquake · 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 | B66B5/022 |
| Official title | {where the abnormal operating condition is caused by a natural event, e.g. earthquake} |
| Display label | where the abnormal operating condition is caused by a natural event, e.g. earthquake |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Failure detection device for an elevator
US-2021347605-A1 · Nov 11, 2021 · US
Elevator system monitoring and control based on hoistway wind speed
US-2021339982-A1 · Nov 4, 2021 · US
Elevator device
US-11136220-B2 · Oct 5, 2021 · US
Vibration damping device and elevator apparatus
US-2021231190-A1 · Jul 29, 2021 · US
Method for operating an elevator
US-2021206600-A1 · Jul 8, 2021 · US
Sway amount estimation system and elevator apparatus
US-2021130127-A1 · May 6, 2021 · US
Vibration damping system and elevator apparatus
US-2021094793-A1 · Apr 1, 2021 · US
Vibration damping device and elevator apparatus
US-2021094799-A1 · Apr 1, 2021 · US
Elevator network for emergency operation
US-10882717-B2 · Jan 5, 2021 · US
Building drift determination based on elevator roping position
US-2020407191-A1 · Dec 31, 2020 · US
Elevator system control based on building sway
US-2020255260-A1 · Aug 13, 2020 · US
Hoisting rope monitoring device
US-2020239278-A1 · Jul 30, 2020 · US
Elevator system control based on building and rope sway
US-2020239274-A1 · Jul 30, 2020 · US
Monitoring image transmission apparatus for elevators
US-2020223659-A1 · Jul 16, 2020 · US
Elevator system
US-10696520-B2 · Jun 30, 2020 · US
System and method for operating elevator system during lockdown
US-2020180907-A1 · Jun 11, 2020 · US
Elevator accelerometer sensor data usage
US-10669121-B2 · Jun 2, 2020 · US
Elevator device that transmits inspection data when inspection operation after earthquake is interrupted
US-10625980-B2 · Apr 21, 2020 · US
Water detection in elevator pit using pit sensors
US-2020095092-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B5/022?
- CPC B66B5/022 is the Cooperative Patent Classification code for “where the abnormal operating condition is caused by a natural event, e.g. earthquake.”
- How many patents are filed under CPC B66B5/022 (where the abnormal operating condition is caused by a natural event, e.g. earthquake)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC B66B5/022 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).