- 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: 288
10-year publication summary
|
28
|
31
|
26
|
14
|
14
|
22
|
17
|
11
|
6
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Franz Haimer Maschinenbau KG | 139 |
19 |
| Kennametal Inc. | 1379 |
14 |
| Iscar, Ltd. | 1130 |
10 |
| Haimer GmbH | 72 |
8 |
| Robert Bosch GmbH | 42922 |
7 |
| Bilz Werkzeugfabrik GmbH & Co. KG | 22 |
7 |
| J.R. Automation Technologies, L.L.C. | 37 |
6 |
| Edison Industrial Innovation, LLC | 9 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 140 |
5 |
| The Gleason Works | 200 |
4 |
| Gühring KG | 358 |
4 |
| Gühring oHG | 67 |
4 |
| Kabushiki Kaisha Miyanaga | 84 |
4 |
| Khan Workholding Co., Ltd | 13 |
4 |
| KOMET Group GmbH | 90 |
4 |
| Milwaukee Electric Tool Corporation | 4516 |
4 |
| Sandvik Intellectual Property AB | 1470 |
4 |
| Black & Decker, Inc. | 2407 |
3 |
| Makita Corporation | 2475 |
3 |
| Fuji Corporation | 3432 |
3 |
| Other owners | 166 |