Clutch having tamper evident indicator
US-12304778-B2 · May 20, 2025 · US
to vertical edge portions of sheets, tubes, or like thin or thin-walled articles (internally-expanding grippers B66C1/54) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66C1/48 |
| Official title | to vertical edge portions of sheets, tubes, or like thin or thin-walled articles (internally-expanding grippers B66C1/54) |
| Display label | to vertical edge portions of sheets, tubes, or like thin or thin-walled articles (internally-expanding grippers B66C1/54) |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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