B23B 2231/2075
Of special form
Official title: of special form
B23B2231/2075 (Of special form) appears on 8 US grants and 12 published applications in this corpus.
Search patents in B23B- Granted patents
- 8
- Published applications
- 12
- Assignees
- 9
- Inventors
- 13
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
| 2026 | 4 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gripping device for holding, centring and/or collet-clamping a micromechanical or horological component7 Jul 2026US 12,673,373 B2ETA SA Manufacture Horlogere Suisse
- Gripping device for holding, centring and/or collet-clamping a micromechanical or horological component, and associated attachment method31 Mar 2026US 12,589,440 B2ETA SA Manufacture Horlogere Suisse
- Gripper device for maintaining, centring, and/or clamping a micromechanical or horological component, and associated fastening method17 Feb 2026US 12,554,228 B2ETA SA Manufacture Horlogere Suisse
- Method for gripping constant-velocity universal joint component13 Jan 2026US 12,521,831 B2Ntn Corporation
- Sealed collet6 Apr 2021US 10,967,438 B2Kennametal Inc.
- Collet Chuck8 May 2025US 2025/0144720 A1JBS System GMBH
- Gripping device for holding, centring and/or collet-clamping a micromechanical or horological component23 May 2024US 2024/0165714 A1ETA SA Manufacture Horlogere Suisse
- Gripping device for holding, centring and/or collet-clamping a micromechanical or horological component, and associated attachment method23 May 2024US 2024/0165715 A1ETA SA Manufacture Horlogere Suisse
- Gripper device for maintaining, centring, and/or clamping a micromechanical or horological component, and associated fastening method23 May 2024US 2024/0168441 A1ETA SA Manufacture Horlogere Suisse
- Method for gripping constant-velocity universal joint component9 Feb 2023US 2023/0045564 A1Ntn Corporation
Most cited
By later US patents
- Collet positioning mechanism for a rotary tool11US 9,156,093 B2Robert Bosch GmbH · 2015
- Collet retention mechanism for a rotary tool8US 9,149,873 B2Robert Bosch GmbH · 2015
- Sealed collet2US 10,399,150 B2Kennametal Inc. · 2019
- Gripper device for maintaining, centring, and/or clamping a micromechanical or horological component, and associated fastening method1US 12,554,228 B2ETA SA Manufacture Horlogere Suisse · 2026