Crossing gate mechanism with integrated position detection andangle measurement
US-2024326884-A1 · Oct 3, 2024 · US
Timing, e.g. advance warning of approaching train
Timing, e.g. advance warning of approaching train · 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 | B61L29/32 |
| Official title | Timing, e.g. advance warning of approaching train |
| Display label | Timing, e.g. advance warning of approaching train |
| Total patents | 65 |
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 | 9 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Controlling a level crossing and railway control arrangement
US-11964684-B2 · Apr 23, 2024 · US
Method and apparatus for identifying properties of a vehicle, computer program product and computer-readable medium for storing and/or providing the computer program product
US-11958515-B2 · Apr 16, 2024 · US
Determination of train direction for bi-directional grade crossings
US-11938978-B2 · Mar 26, 2024 · US
Anomaly detection using machine learning
US-11851096-B2 · Dec 26, 2023 · US
Grade crossing control system
US-11827260-B2 · Nov 28, 2023 · US
Railroad crossing control system including constant warning time device and axle counter system
US-11713066-B2 · Aug 1, 2023 · US
Method and apparatus for identifying properties of a vehicle, computer program product and computer-readable medium for storing and/or providing the computer program product
US-2023166781-A1 · Jun 1, 2023 · US
Method and apparatus with an axle counter for operating a railroad crossing, computer program product and delivery apparatus for the computer program product
US-2023091168-A1 · Mar 23, 2023 · US
Target activation system for transportation network
US-11535286-B2 · Dec 27, 2022 · US
Automated warning time inspection at railroad grade crossings on a given track route
US-11472451-B2 · Oct 18, 2022 · US
Determination of train direction for bi-directional grade crossings
US-2022315071-A1 · Oct 6, 2022 · US
System and method for providing railroad grade crossing status information to autonomous vehicles
US-11420663-B2 · Aug 23, 2022 · US
Method, system, computer-readable medium comprising software code for estimating parameters of railway track circuits, and related track circuit
US-2022185351-A1 · Jun 16, 2022 · US
Method and system for warning a motor vehicle of a collision with a railway vehicle
US-2022063691-A1 · Mar 3, 2022 · US
Systems and methods for controlling railroad highway crossing flashers
US-11208131-B2 · Dec 28, 2021 · US
Controlling a Level Crossing and Railway Control Arrangement
US-2021362760-A1 · Nov 25, 2021 · US
Anomaly detection using machine learning
US-2021309271-A1 · Oct 7, 2021 · US
Method for securing a level crossing, and stationary control device for a train control system
US-11124213-B2 · Sep 21, 2021 · US
System and method for providing railroad grade crossing status information to autonomous vehicles
US-2021284213-A1 · Sep 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61L29/32?
- CPC B61L29/32 is the Cooperative Patent Classification code for “Timing, e.g. advance warning of approaching train.”
- How many patents are filed under CPC B61L29/32 (Timing, e.g. advance warning of approaching train)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC B61L29/32 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).