Pneumatic chipping hammer
US-12459099-B2 · Nov 4, 2025 · US
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Trolleys
Trolleys · 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 | B25D17/32 |
| Official title | Trolleys |
| Display label | Trolleys |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-aligning tool guide
US-11745327-B2 · Sep 5, 2023 · US
Self-aligning tool guide
US-11673252-B2 · Jun 13, 2023 · US
Pneumatic chipping hammer
US-2022402108-A1 · Dec 22, 2022 · US
Self-aligning tool guide
US-11478918-B2 · Oct 25, 2022 · US
Self-Aligning Tool Guide
US-2021162579-A1 · Jun 3, 2021 · US
Self-Aligning Tool Guide
US-2021001472-A1 · Jan 7, 2021 · US
Self-Aligning Tool Guide
US-2020346340-A1 · Nov 5, 2020 · US
Arrangement for assigning and drilling bore holes
US-10392863-B2 · Aug 27, 2019 · US