Pallet conveyor
US-10160621-B2 · Dec 25, 2018 · US
Escalators
Escalators · 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 | B66B21/02 |
| Official title | Escalators |
| Display label | Escalators |
| Total patents | 118 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 28 |
| 2019 | 21 |
| 2020 | 12 |
| 2021 | 12 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Escalator system
US-10112804-B2 · Oct 30, 2018 · US
Self-braking gear and people conveyor comprising a self-braking gear
US-10094437-B2 · Oct 9, 2018 · US
System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof
US-2018257912-A1 · Sep 13, 2018 · US
Detection of state of engagement between step and comb plate of passenger conveyor
US-10071884-B2 · Sep 11, 2018 · US
Brake system for passenger conveyors
US-10065839-B2 · Sep 4, 2018 · US
Monitoring system of a passenger conveyor, a passenger conveyor, and a monitoring method thereof
US-10059569-B2 · Aug 28, 2018 · US
People conveyor and method of operating a people conveyor
US-10053337-B2 · Aug 21, 2018 · US
Truss support device for passenger conveyor
US-10046950-B2 · Aug 14, 2018 · US
Passenger conveyor system and starting/stopping control method thereof
US-2018194597-A1 · Jul 12, 2018 · US
Truss support device for passenger conveyor
US-2018179025-A1 · Jun 28, 2018 · US
Step chain for escalators, and person conveyor device having a step chain of this type
US-2018170717-A1 · Jun 21, 2018 · US
Self-braking gear and people conveyor comprising a self-braking gear
US-2018172093-A1 · Jun 21, 2018 · US
Self-locking gear and people conveyor comprising a self-locking gear
US-2018172094-A1 · Jun 21, 2018 · US
Track system for an escalator or moving walkway
US-9988244-B2 · Jun 5, 2018 · US
Escalator system
US-2018134523-A1 · May 17, 2018 · US
Handrail system of a people mover and method for preventing injuries in a handrail system of a people mover
US-2018111800-A1 · Apr 26, 2018 · US
People conveyor and method of operating a people conveyor
US-2018105399-A1 · Apr 19, 2018 · US
Track system for an escalator or a moving walkway
US-9944496-B2 · Apr 17, 2018 · US
Passenger conveyor and method for monitoring vibrations in a passenger conveyor
US-2018057315-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B21/02?
- CPC B66B21/02 is the Cooperative Patent Classification code for “Escalators.”
- How many patents are filed under CPC B66B21/02 (Escalators)?
- Our database includes 118 publications tagged with this CPC code.
- Is patent activity under CPC B66B21/02 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).