Work machine with leader
US-12305509-B2 · May 20, 2025 · US
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for vertical holes
for vertical holes · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E02F5/20 |
| Official title | for vertical holes |
| Display label | for vertical holes |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 6 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Work machine with leader
US-2024035340-A1 · Feb 1, 2024 · US
Cutting device with tapered cutting element
US-11499426-B2 · Nov 15, 2022 · US
Cutting head having segmented cutting disc
US-10989050-B2 · Apr 27, 2021 · US
Cutting device with tapered cutting element
US-2021032989-A1 · Feb 4, 2021 · US
Cutting device with tapered cutting element
US-10808531-B2 · Oct 20, 2020 · US
Cutting head having segmented cutting disc
US-2020217198-A1 · Jul 9, 2020 · US
Cutting head having segmented cutting disc
US-10626723-B2 · Apr 21, 2020 · US
Hammer drill mechanism
US-10550641-B2 · Feb 4, 2020 · US
Cutting device with wear elements
US-10287881-B2 · May 14, 2019 · US
Excavating pump apparatus and pile installation apparatus comprising same
US-10267005-B2 · Apr 23, 2019 · US
Machine leveling assembly and method
US-10184295-B2 · Jan 22, 2019 · US
Hammer Drill Mechanism
US-2017356248-A1 · Dec 14, 2017 · US
Earth auger and pole machine, and pole installation method
US-9834950-B2 · Dec 5, 2017 · US
Cutting device with wear elements
US-2017342829-A1 · Nov 30, 2017 · US
Cutting device with tapered cutting element
US-2017342835-A1 · Nov 30, 2017 · US
Cutting head having segmented cutting disc
US-2017342830-A1 · Nov 30, 2017 · US
Excavating pump apparatus and pile installation apparatus comprising same
US-2017275844-A1 · Sep 28, 2017 · US
Earth auger and pole machine, and pole installation method
US-2016298355-A1 · Oct 13, 2016 · US
Machine Leveling Assembly and Method
US-2016097238-A1 · Apr 7, 2016 · US