Passenger Conveyor Display Device, and Passenger Conveyor
US-2021380374-A1 · Dec 9, 2021 · US
linear type
linear type · 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 | B66B21/04 |
| Official title | linear type |
| Display label | linear type |
| Total patents | 93 |
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 | 3 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 15 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 21 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Framework dataset for an escalator or a moving walkway
US-2021342497-A1 · Nov 4, 2021 · US
Monitoring of the mechanical condition of an escalator or a moving walkway
US-11161717-B2 · Nov 2, 2021 · US
Method and device for monitoring a state of a passenger transport system using a digital double
US-2021292131-A1 · Sep 23, 2021 · US
Method and device for monitoring a passenger transport system using a detection device and a digital double
US-2021276832-A1 · Sep 9, 2021 · US
Drive systems for people conveyors
US-2021229958-A1 · Jul 29, 2021 · US
Drive belt montoring for passenger conveyors
US-2021221649-A1 · Jul 22, 2021 · US
Conveyance belt for a conveyor
US-11066275-B2 · Jul 20, 2021 · US
Passenger conveyance system
US-2021179391-A1 · Jun 17, 2021 · US
Escalator controls data to internet of things
US-11034551-B2 · Jun 15, 2021 · US
Passenger conveyor
US-11034552-B2 · Jun 15, 2021 · US
Belt-driven people conveyors
US-11027946-B2 · Jun 8, 2021 · US
Monitoring systems for inclined passenger conveyors
US-2021139288-A1 · May 13, 2021 · US
Monitoring arrangement and method for a people conveyor
US-2021122612-A1 · Apr 29, 2021 · US
Belt-driven people conveyors
US-2020385238-A1 · Dec 10, 2020 · US
People conveyor drive and people conveyor
US-10858221-B2 · Dec 8, 2020 · US
Drive belt for a people conveyor
US-10843903-B2 · Nov 24, 2020 · US
Method and passenger conveyor
US-2020339389-A1 · Oct 29, 2020 · US
Run-in guide rail for escalators or moving walkways and passenger conveyance device having a run-in guide rail of this kind
US-2020325004-A1 · Oct 15, 2020 · US
Escalator step comprising plug-in parts
US-10737909-B2 · Aug 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B21/04?
- CPC B66B21/04 is the Cooperative Patent Classification code for “linear type.”
- How many patents are filed under CPC B66B21/04 (linear type)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC B66B21/04 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).