Abnormality detection apparatus for passenger conveyor
US-2020180915-A1 · Jun 11, 2020 · US
Steps
Steps · 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 | B66B23/12 |
| Official title | Steps |
| Display label | Steps |
| Total patents | 99 |
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 | 6 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 13 |
| 2019 | 15 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Floor cover arrangement for covering an underfloor space of a passenger conveyor
US-2019367332-A1 · Dec 5, 2019 · US
Belt safety device and people conveyor with a belt safety device
US-2019352141-A1 · Nov 21, 2019 · US
Drive belt for a people conveyor
US-2019292018-A1 · Sep 26, 2019 · US
Escalator having step treads that interengage in the return run
US-2019263633-A1 · Aug 29, 2019 · US
Passenger transferring device
US-2019263632-A1 · Aug 29, 2019 · US
Escalator step comprising plug-in parts
US-2019210843-A1 · Jul 11, 2019 · US
Passenger transport system with monitoring and marking device for characterizing defective step units
US-10336582-B2 · Jul 2, 2019 · US
Tread element for people conveyor comprising a cantilever arm
US-10308482-B2 · Jun 4, 2019 · US
Drag rollers for escalators, moving walkways, and other conveyors
US-10308483-B2 · Jun 4, 2019 · US
Passenger transport system with monitoring and marking device for characterizing defective step units
US-2019161324-A1 · May 30, 2019 · US
Comb plate and people conveyor
US-2019112162-A1 · Apr 18, 2019 · US
Ladder rung bracket assembly
US-10246941-B2 · Apr 2, 2019 · US
Conveyor device with moving comb plate in the longitudinal direction
US-10239732-B2 · Mar 26, 2019 · US
Passenger conveyor
US-10214390-B2 · Feb 26, 2019 · US
Drive chain and drive chain mechanism and conveyor comprising such a drive chain mechanism
US-10214389-B2 · Feb 26, 2019 · US
Pallet conveyor
US-10160621-B2 · Dec 25, 2018 · US
Endless handrail manufacturing method, endless handrail and escalator
US-10124992-B2 · Nov 13, 2018 · US
Passenger conveyor step and method for assembling passenger conveyor step
US-2018305184-A1 · Oct 25, 2018 · US
Passenger conveyor
US-10065837-B2 · Sep 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B23/12?
- CPC B66B23/12 is the Cooperative Patent Classification code for “Steps.”
- How many patents are filed under CPC B66B23/12 (Steps)?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC B66B23/12 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).