Spindle device
US-2025332644-A1 · Oct 30, 2025 · US
clamping the end of the toolholder shank · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23B31/261 |
| Official title | {clamping the end of the toolholder shank} |
| Display label | clamping the end of the toolholder shank |
| Total patents | 24 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025332644-A1 · Oct 30, 2025 · US
US-2025214151-A1 · Jul 3, 2025 · US
US-2025144718-A1 · May 8, 2025 · US
US-2025091138-A1 · Mar 20, 2025 · US
US-12220750-B2 · Feb 11, 2025 · US
US-2024293873-A1 · Sep 5, 2024 · US
US-2024278334-A1 · Aug 22, 2024 · US
US-2023271261-A1 · Aug 31, 2023 · US
US-2023087832-A1 · Mar 23, 2023 · US
US-2022250165-A1 · Aug 11, 2022 · US
US-2021138599-A1 · May 13, 2021 · US
US-2021046558-A1 · Feb 18, 2021 · US
US-2019232389-A1 · Aug 1, 2019 · US
US-10252389-B2 · Apr 9, 2019 · US
US-2019009381-A1 · Jan 10, 2019 · US
US-10090730-B2 · Oct 2, 2018 · US
US-9796025-B2 · Oct 24, 2017 · US
US-9649698-B2 · May 16, 2017 · US
US-2016245380-A1 · Aug 25, 2016 · US
US-2016226337-A1 · Aug 4, 2016 · US