Excavation machine having a frame equipped with guide wings
US-12398534-B2 · Aug 26, 2025 · US
Fixed Constructions · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E02F3/22 |
| Official title | — |
| Display label | Fixed Constructions (mapped technology topic) |
| Total patents | 20 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12398534-B2 · Aug 26, 2025 · US
US-2024410126-A1 · Dec 12, 2024 · US
US-2024240426-A1 · Jul 18, 2024 · US
US-2024141614-A1 · May 2, 2024 · US
US-11619023-B2 · Apr 4, 2023 · US
US-2021262192-A1 · Aug 26, 2021 · US
US-10822767-B2 · Nov 3, 2020 · US
US-2020232183-A1 · Jul 23, 2020 · US
US-10577913-B2 · Mar 3, 2020 · US
US-10480147-B2 · Nov 19, 2019 · US
US-10443208-B2 · Oct 15, 2019 · US
US-2019040601-A1 · Feb 7, 2019 · US
US-2018327996-A1 · Nov 15, 2018 · US
US-2018080311-A1 · Mar 22, 2018 · US
US-2017320129-A1 · Nov 9, 2017 · US
US-2017159261-A1 · Jun 8, 2017 · US
US-9587373-B2 · Mar 7, 2017 · US
US-2015191893-A1 · Jul 9, 2015 · US
US-2015122962-A1 · May 7, 2015 · US
US-8955919-B2 · Feb 17, 2015 · US
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