- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/02 - Chucks
Patent holdings for IPC class B23B 31/02
Total number of patents in this class: 287
10-year publication summary
|
31
|
26
|
14
|
14
|
24
|
19
|
11
|
6
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Franz Haimer Maschinenbau KG | 141 |
19 |
| Kennametal Inc. | 1354 |
13 |
| Iscar, Ltd. | 1081 |
9 |
| Haimer GmbH | 74 |
8 |
| Robert Bosch GmbH | 44160 |
7 |
| Bilz Werkzeugfabrik GmbH & Co. KG | 21 |
7 |
| J.R. Automation Technologies, L.L.C. | 38 |
6 |
| Edison Industrial Innovation, LLC | 7 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 127 |
5 |
| The Gleason Works | 198 |
4 |
| Gühring KG | 367 |
4 |
| Gühring oHG | 65 |
4 |
| Khan Workholding Co., Ltd | 13 |
4 |
| KOMET Group GmbH | 86 |
4 |
| Milwaukee Electric Tool Corporation | 4958 |
4 |
| Sandvik Intellectual Property AB | 1398 |
4 |
| Black & Decker, Inc. | 2446 |
3 |
| Makita Corporation | 2566 |
3 |
| Fuji Corporation | 3647 |
3 |
| Guehring OHG | 14 |
3 |
| Other owners | 168 |