Automatic transport device
US-12415709-B2 · Sep 16, 2025 · US
for handrails
for handrails · 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 | B66B23/04 |
| Official title | for handrails |
| Display label | for handrails |
| Total patents | 36 |
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 | 6 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Escalator module and escalator
US-2025026614-A1 · Jan 23, 2025 · US
Automatic transport device
US-2024166473-A1 · May 23, 2024 · US
Monitoring systems for passenger conveyors
US-11214466-B2 · Jan 4, 2022 · US
Monitoring systems for passenger conveyors
US-2021276833-A1 · Sep 9, 2021 · US
Drive belt for people conveyors
US-10968080-B2 · Apr 6, 2021 · US
People conveyor and method of determining power for driving a handrail element of a people conveyor
US-10954103-B2 · Mar 23, 2021 · US
Handrail-drive system with drive elements integrated in the handrail
US-10875745-B2 · Dec 29, 2020 · US
Handrail automatically tensioning system and a method for adjusting tension level of handrail
US-10865074-B2 · Dec 15, 2020 · US
Escalator with a sensor for detecting sheave misalignment
US-10850948-B2 · Dec 1, 2020 · US
Handrail belt tension device for escalator
US-10745248-B2 · Aug 18, 2020 · US
Handrail-drive system with drive elements integrated in the handrail
US-2020207587-A1 · Jul 2, 2020 · US
Handrail automatically tensioning system and a method for adjusting tension level of handrail
US-2020087116-A1 · Mar 19, 2020 · US
Escalator with a sensor for detecting sheave misalignment
US-2020079623-A1 · Mar 12, 2020 · US
Tension device for drive chain, method and escalator system using same
US-10457524-B2 · Oct 29, 2019 · US
Device for driving a handrail
US-10414631-B2 · Sep 17, 2019 · US
Handrail belt tension device for escalator
US-2019241405-A1 · Aug 8, 2019 · US
Drive belt for people conveyors
US-2019119076-A1 · Apr 25, 2019 · US
People conveyor and method of determining power for driving a handrail element of a people conveyor
US-2019112161-A1 · Apr 18, 2019 · US
Tension device for drive chain, method and escalator system using same
US-2019071286-A1 · Mar 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B23/04?
- CPC B66B23/04 is the Cooperative Patent Classification code for “for handrails.”
- How many patents are filed under CPC B66B23/04 (for handrails)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B66B23/04 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).