Vehicle collision prevention device for bridge pier
US-2026071397-A1 · Mar 12, 2026 · US
for column or post protection · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E01F15/141 |
| Official title | {for column or post protection} |
| Display label | for column or post protection |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2021 | 2 |
| 2024 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026071397-A1 · Mar 12, 2026 · US
US-11913182-B2 · Feb 27, 2024 · US
US-2021388565-A1 · Dec 16, 2021 · US
US-11021843-B2 · Jun 1, 2021 · US
US-2020190753-A1 · Jun 18, 2020 · US