Systems and methods for inspecting an amusement park attraction system
US-2026070592-A1 · Mar 12, 2026 · US
power propelled
power propelled · 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 | B61D15/12 |
| Official title | power propelled |
| Display label | power propelled |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for inspecting an amusement park attraction system
US-12472999-B2 · Nov 18, 2025 · US
Systems and methods for inspection of a track of an amusement attraction
US-12466450-B2 · Nov 11, 2025 · US
Track travelling device
US-12466449-B2 · Nov 11, 2025 · US
Vehicle system and method
US-2024425088-A1 · Dec 26, 2024 · US
Device, system and method for detecting leakage current for traction power system
US-12145636-B2 · Nov 19, 2024 · US
Systems and methods for inspecting an amusement park attraction system
US-2024270295-A1 · Aug 15, 2024 · US
Apparatus and method for measuring railroad of transfer vehicle
US-2024149927-A1 · May 9, 2024 · US
Systems and methods for inspection of a track of an amusement attraction
US-2024083475-A1 · Mar 14, 2024 · US
Measuring system and method for measuring the elasticity of an overhead line of a track
US-2024043048-A1 · Feb 8, 2024 · US
Rail inspection device
US-2023339523-A1 · Oct 26, 2023 · US
Comprehensive inspection vehicle for subway tunnel
US-11673587-B2 · Jun 13, 2023 · US
Device, system and method for detecting leakage current for traction power system
US-2023084963-A1 · Mar 16, 2023 · US
Track travelling device
US-2022402531-A1 · Dec 22, 2022 · US
Inspection device and method for subway tunnels based on three-dimensional laser scanning
US-11359945-B2 · Jun 14, 2022 · US
Electromagnetic propulsion system
US-11309783-B2 · Apr 19, 2022 · US
Inspection device and method for subway tunnels based on three-dimensional laser scanning
US-2021325213-A1 · Oct 21, 2021 · US
Electromagnetic propulsion system
US-2021099066-A1 · Apr 1, 2021 · US
Comprehensive inspection vehicle for subway tunnel
US-2020353956-A1 · Nov 12, 2020 · US
Rail inspection device and rail inspection system
US-10604899-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61D15/12?
- CPC B61D15/12 is the Cooperative Patent Classification code for “power propelled.”
- How many patents are filed under CPC B61D15/12 (power propelled)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC B61D15/12 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).