Elevator device
US-2025340403-A1 · Nov 6, 2025 · US
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Positively-acting devices, e.g. latches, knives
Positively-acting devices, e.g. latches, knives · 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 | B66B5/26 |
| Official title | Positively-acting devices, e.g. latches, knives |
| Display label | Positively-acting devices, e.g. latches, knives |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Safety gear for an elevator
US-11472670-B2 · Oct 18, 2022 · US
Overspeed protection switch, overspeed governor assembly and elevator system
US-11465882-B2 · Oct 11, 2022 · US
Elevator safety gear trigger and reset system
US-11459208-B2 · Oct 4, 2022 · US
Elevator seismic performance apparatus
US-11214464-B2 · Jan 4, 2022 · US
Device and method for actuating an elevator safety brake
US-10894695-B2 · Jan 19, 2021 · US
Fail safe bar for clutch type brake adjustment
US-10822215-B2 · Nov 3, 2020 · US
Safety gear for an elevator
US-2020223665-A1 · Jul 16, 2020 · US
Elevator safety gear trigger and reset system
US-2020198932-A1 · Jun 25, 2020 · US
Lifting assembly, jump elevator and jumping method
US-2020180912-A1 · Jun 11, 2020 · US
Fail safe bar for clutch type brake adjustment
US-2020165111-A1 · May 28, 2020 · US
Overspeed protection switch, overspeed governor assembly and elevator system
US-2020102190-A1 · Apr 2, 2020 · US
Elevator seismic performance apparatus
US-2019352126-A1 · Nov 21, 2019 · US
Electromagnetic brake system for elevator application
US-10442659-B2 · Oct 15, 2019 · US
Safety device for elevators
US-10407278-B2 · Sep 10, 2019 · US
Magnetic brake actuator assembly for elevator system
US-2019248628-A1 · Aug 15, 2019 · US
Overwind conveyance drop protection
US-10150649-B2 · Dec 11, 2018 · US
Device and method for actuating an elevator safety brake
US-2018222717-A1 · Aug 9, 2018 · US
Safety device for elevators
US-2017066628-A1 · Mar 9, 2017 · US
Electromagnetic brake system for elevator application
US-2016376123-A1 · Dec 29, 2016 · US