Method and device for controlling a closing movement of a door of an elevator car in the event of a power failure, method for retrofitting a door of an elevator car, door for an elevator car, and elevator system
US-12559350-B2 · Feb 24, 2026 · US
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mechanical
mechanical · 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 | B66B13/245 |
| Official title | {mechanical} |
| Display label | mechanical |
| Total patents | 16 |
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 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 5 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and Device for Controlling a Closing Movement of a Door of an Elevator Car in the Event of a Power Failure, Method for Retrofitting a Door of an Elevator Car, Door for an Elevator Car, and Elevator System
US-2025340404-A1 · Nov 6, 2025 · US
Gap-reducing sill assembly for an elevator car
US-11760606-B2 · Sep 19, 2023 · US
Gap-reducing sill assembly for an elevator car
US-2021309492-A1 · Oct 7, 2021 · US
Elevator access systems for elevators
US-11136217-B2 · Oct 5, 2021 · US
Gap-reducing sill assembly for an elevator car
US-11066277-B2 · Jul 20, 2021 · US
Gap-reducing sill assembly for an elevator car
US-11034549-B2 · Jun 15, 2021 · US
Blocking device
US-11008196-B2 · May 18, 2021 · US
Elevator landing door unlocking system
US-10822201-B2 · Nov 3, 2020 · US
Maintenance safety device for elevator and a operation method thereof
US-10676321-B2 · Jun 9, 2020 · US
Gap-reducing sill assembly for an elevator car
US-2019330027-A1 · Oct 31, 2019 · US
Gap-reducing sill assembly for an elevator car
US-2019330028-A1 · Oct 31, 2019 · US
Elevator access systems for elevators
US-2019270612-A1 · Sep 5, 2019 · US
Blocking device
US-2019016559-A1 · Jan 17, 2019 · US
Elevator landing door unlocking system
US-2018186606-A1 · Jul 5, 2018 · US
Maintenance safety device for elevator and a operation method thereof
US-2017355569-A1 · Dec 14, 2017 · US