Tool for aligning rail segments
US-12516477-B2 · Jan 6, 2026 · US
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Devices for holding, positioning, or urging together the rail ends (adjusting the joint by moving rails E01B29/20)
Devices for holding, positioning, or urging together the rail ends (adjusting the joint by moving rails E01B29/20) · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E01B29/46 |
| Official title | Devices for holding, positioning, or urging together the rail ends (adjusting the joint by moving rails E01B29/20) |
| Display label | Devices for holding, positioning, or urging together the rail ends (adjusting the joint by moving rails E01B29/20) |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Welding unit for welding rails of a track
US-12281448-B2 · Apr 22, 2025 · US
Tool for aligning rail segments
US-2024279878-A1 · Aug 22, 2024 · US
Rail thread box assembly
US-2024083471-A1 · Mar 14, 2024 · US
Welding unit and method for welding rails of a track
US-11717908-B2 · Aug 8, 2023 · US
Device for welding a rail joint of a track
US-11613853-B2 · Mar 28, 2023 · US
Welding unit for welding rails of a track
US-2022316146-A1 · Oct 6, 2022 · US
Welding assembly for welding two rails of a track
US-11235416-B2 · Feb 1, 2022 · US
Welding apparatus for welding rails of a track
US-11066787-B2 · Jul 20, 2021 · US
Welding unit and method for welding rails of a track
US-2020282487-A1 · Sep 10, 2020 · US
Device for welding a rail joint of a track
US-2020199825-A1 · Jun 25, 2020 · US
Rail welding unit with eccentric cam driven clamping levers
US-10570573-B2 · Feb 25, 2020 · US
Welding assembly for welding two rails of a track
US-2019054561-A1 · Feb 21, 2019 · US
Welding Apparatus for Welding Rails of a Track
US-2019032283-A1 · Jan 31, 2019 · US
Welding unit
US-2017292225-A1 · Oct 12, 2017 · US
Welding Unit
US-2017209953-A1 · Jul 27, 2017 · US