- 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: 292
10-year publication summary
|
28
|
31
|
26
|
14
|
14
|
22
|
16
|
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 | 143 |
22 |
| Kennametal Inc. | 1389 |
14 |
| Iscar, Ltd. | 1125 |
10 |
| Haimer GmbH | 73 |
9 |
| Robert Bosch GmbH | 42705 |
7 |
| Bilz Werkzeugfabrik GmbH & Co. KG | 22 |
7 |
| J.R. Automation Technologies, L.L.C. | 38 |
6 |
| Edison Industrial Innovation, LLC | 9 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 146 |
5 |
| The Gleason Works | 201 |
4 |
| Gühring KG | 357 |
4 |
| Gühring oHG | 68 |
4 |
| Kabushiki Kaisha Miyanaga | 85 |
4 |
| Khan Workholding Co., Ltd | 13 |
4 |
| KOMET Group GmbH | 90 |
4 |
| Milwaukee Electric Tool Corporation | 4417 |
4 |
| Sandvik Intellectual Property AB | 1482 |
4 |
| Black & Decker, Inc. | 2410 |
3 |
| Makita Corporation | 2453 |
3 |
| Fuji Corporation | 3377 |
3 |
| Other owners | 166 |