Elevator system with brake failure responses
US-2024383724-A1 · Nov 21, 2024 · US
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Control systems without regulation, i.e. without retroactive action
Control systems without regulation, i.e. without retroactive action · 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 | B66B1/02 |
| Official title | Control systems without regulation, i.e. without retroactive action |
| Display label | Control systems without regulation, i.e. without retroactive action |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-climbing self-locking elevator
US-11814266-B2 · Nov 14, 2023 · US
Method and apparatus for elevators to detect concealed object and inform building management system
US-11745978-B2 · Sep 5, 2023 · US
Automatic method of detecting visually impaired, pregnant, or disabled elevator passenger(s)
US-11708240-B2 · Jul 25, 2023 · US
Elevator control unit and a method for transferring data in an elevator arrangement
US-2023030084-A1 · Feb 2, 2023 · US
Elevator safety system
US-11535487-B2 · Dec 27, 2022 · US
Self-climbing self-locking elevator
US-2022063959-A1 · Mar 3, 2022 · US
Deployment of a controller in an elevator
US-11198587-B2 · Dec 14, 2021 · US
Audio orientation systems for elevator cars
US-11091350-B2 · Aug 17, 2021 · US
Automated elevator maintenance mode initiation
US-11072515-B2 · Jul 27, 2021 · US
Communication with a trapped passenger in a transportation system
US-10745241-B2 · Aug 18, 2020 · US
Elevator safety system
US-2020165098-A1 · May 28, 2020 · US
Method and an arrangement for enabling movement of the elevator while a maintanence technician is in the pit
US-10549950-B2 · Feb 4, 2020 · US
Method and apparatus for elevators to detect concealed object and inform building management system
US-2020031617-A1 · Jan 30, 2020 · US
Automatic method of detecting visually impaired, pregnant, or disabled elevator passenger(s)
US-2020031618-A1 · Jan 30, 2020 · US
Automated elevator maintenance mode initiation
US-2019300336-A1 · Oct 3, 2019 · US
Spoken command interface
US-2019066681-A1 · Feb 28, 2019 · US
Deployment of a controller in an elevator
US-2018319625-A1 · Nov 8, 2018 · US
Audio orientation systems for elevator cars
US-2018312369-A1 · Nov 1, 2018 · US
Elevator commuter boarding system and a method thereof
US-2018265331-A1 · Sep 20, 2018 · US