Collapsible guardrail
US-12442205-B2 · Oct 14, 2025 · US
extensible or telescopic · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04G5/142 |
| Official title | {extensible or telescopic} |
| Display label | extensible or telescopic |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12442205-B2 · Oct 14, 2025 · US
US-2025154781-A1 · May 15, 2025 · US
US-2024328177-A1 · Oct 3, 2024 · US
US-2024151046-A1 · May 9, 2024 · US
US-2024091989-A1 · Mar 21, 2024 · US
US-11761216-B2 · Sep 19, 2023 · US
US-2022018146-A1 · Jan 20, 2022 · US
US-11156008-B2 · Oct 26, 2021 · US
US-2021293029-A1 · Sep 23, 2021 · US
US-2021276849-A1 · Sep 9, 2021 · US
US-11035135-B2 · Jun 15, 2021 · US
US-2020165828-A1 · May 28, 2020 · US
US-10648235-B2 · May 12, 2020 · US
US-2020087932-A1 · Mar 19, 2020 · US
US-2018044986-A1 · Feb 15, 2018 · US