Crossing gate mechanism with integrated cover or door detection scheme
US-12485937-B2 · Dec 2, 2025 · US
Operation of gates; Combined operation of gates and signals
Operation of gates; Combined operation of gates and signals · 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 | B61L29/08 |
| Official title | Operation of gates; Combined operation of gates and signals |
| Display label | Operation of gates; Combined operation of gates and signals |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Devices and methods for controlling a railroad crossing gate mechanism
US-2025360954-A1 · Nov 27, 2025 · US
Automated counterbalance system and method for determining counterbalance and adjusting counterweights of a crossing gate
US-12384435-B2 · Aug 12, 2025 · US
Device and method for detecting an obstruction of a railroad crossing gate
US-12384436-B2 · Aug 12, 2025 · US
Crossing gate mechanism with programmable electronic switching devices
US-2025058808-A1 · Feb 20, 2025 · US
Information processing method
US-2025010863-A1 · Jan 9, 2025 · US
Crossing gate mechanism with integrated position detection andangle measurement
US-2024326884-A1 · Oct 3, 2024 · US
Monitoring of barrier gates at level crossings
US-12077199-B2 · Sep 3, 2024 · US
Wayside device monitoring system and method
US-2024262402-A1 · Aug 8, 2024 · US
System and method for monitoring a railroad grade crossing
US-12054185-B2 · Aug 6, 2024 · US
Method for withdrawal of a bearing from a gate mechanism
US-12038049-B2 · Jul 16, 2024 · US
Smart cam for digitalization of a gate mechanism
US-11938985-B2 · Mar 26, 2024 · US
Device and method for detecting an obstruction of a railroad crossing gate
US-2024059331-A1 · Feb 22, 2024 · US
Crossing gate mechanism with integrated cover or door detection scheme
US-2023399038-A1 · Dec 14, 2023 · US
Crossing gate mechanism with integrated cover or door detection scheme
US-2023294748-A1 · Sep 21, 2023 · US
Method for withdrawal of a bearing from a gate mechanism
US-2023279903-A1 · Sep 7, 2023 · US
Method and device for monitoring a hazard zone of a level crossing
US-11738786-B2 · Aug 29, 2023 · US
Supercapacitor power supply for a gate crossing mechanism
US-11667311-B2 · Jun 6, 2023 · US
Automated counterbalance system and method for determining counterbalance and adjusting counterweights of a crossing gate
US-2023073979-A1 · Mar 9, 2023 · US
Apparatus and method for withdrawal of a bearing from a gate mechanism
US-2022349446-A1 · Nov 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61L29/08?
- CPC B61L29/08 is the Cooperative Patent Classification code for “Operation of gates; Combined operation of gates and signals.”
- How many patents are filed under CPC B61L29/08 (Operation of gates; Combined operation of gates and signals)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B61L29/08 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).