Welding unit and method for welding rails of a track
US-11717908-B2 · Aug 8, 2023 · US
for removing welding flashes on rails · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23D79/026 |
| Official title | {for removing welding flashes on rails} |
| Display label | for removing welding flashes on rails |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2020 | 1 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11717908-B2 · Aug 8, 2023 · US
US-2020282487-A1 · Sep 10, 2020 · US
US-9662726-B2 · May 30, 2017 · US
US-2016199925-A1 · Jul 14, 2016 · US