Screwing/unscrewing tool suitable for a screw or a bolt that is difficult to access, in particular on a mast or a jib of a crane
US-12447586-B2 · Oct 21, 2025 · US
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with locking devices
with locking devices · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66C23/286 |
| Official title | {with locking devices} |
| Display label | with locking devices |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lattice structure and work machine
US-12195308-B2 · Jan 14, 2025 · US
Fall protection device to retain and prevent the fall of a connecting pin
US-12066050-B2 · Aug 20, 2024 · US
Device for mounting/dismounting a connecting pin used for an end-to-end assembly of two frame elements
US-11951577-B2 · Apr 9, 2024 · US
Lattice structure, lattice structure coupling body, work machine, and connector
US-11787672-B2 · Oct 17, 2023 · US
Screwing/unscrewing tool suitable for a screw or a bolt that is difficult to access, in particular on a mast or a jib of a crane
US-2023234191-A1 · Jul 27, 2023 · US
Device for mounting/dismounting a connecting pin used for an end-to-end assembly of two frame elements
US-2023150074-A1 · May 18, 2023 · US
Lattice structure and work machine
US-2022259017-A1 · Aug 18, 2022 · US
Fall protection device to retain and prevent the fall of a connecting pin
US-2021388864-A1 · Dec 16, 2021 · US
Lattice structure, lattice structure coupling body, work machine, and connector
US-2021214195-A1 · Jul 15, 2021 · US
Carriage for different elements of a crane to be loaded in a container
US-2021130081-A1 · May 6, 2021 · US
Crane
US-10421648-B2 · Sep 24, 2019 · US
Crane
US-2016185575-A1 · Jun 30, 2016 · US
Apparatus for assembling or dismantling a crane
US-9327944-B2 · May 3, 2016 · US