Welding unit for welding rails of a track
US-12281448-B2 · Apr 22, 2025 · US
Railway- or like rails
Railway- or like rails · 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 | B23K2101/26 |
| Official title | Railway- or like rails |
| Display label | Railway- or like rails |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing rail, and rail
US-12186822-B2 · Jan 7, 2025 · US
Electroslag strip cladding
US-12060683-B2 · Aug 13, 2024 · US
Welding unit and method for welding rails of a track
US-11717908-B2 · Aug 8, 2023 · US
Welded rail
US-2023193438-A1 · Jun 22, 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
Method for manufacturing rail, and rail
US-2022145546-A1 · May 12, 2022 · US
Welding assembly for welding two rails of a track
US-11235416-B2 · Feb 1, 2022 · US
Electroslag strip cladding
US-2021292976-A1 · Sep 23, 2021 · US
Welding apparatus for welding rails of a track
US-11066787-B2 · Jul 20, 2021 · US
Portable inertia friction welding system and method
US-2021107088-A1 · Apr 15, 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
Stress-relief heat treatment apparatus
US-10526674-B2 · Jan 7, 2020 · US
Inertia friction welding system for martensite-free joining of materials
US-10239153-B2 · Mar 26, 2019 · 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
Method of reheating rail weld zone
US-10144983-B2 · Dec 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K2101/26?
- CPC B23K2101/26 is the Cooperative Patent Classification code for “Railway- or like rails.”
- How many patents are filed under CPC B23K2101/26 (Railway- or like rails)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC B23K2101/26 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).