- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 31/02 - Chucks
Patent holdings for IPC class B23B 31/02
Total number of patents in this class: 285
10-year publication summary
|
29
|
31
|
26
|
14
|
14
|
24
|
16
|
10
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Franz Haimer Maschinenbau KG | 140 |
22 |
| Kennametal Inc. | 1386 |
13 |
| Iscar, Ltd. | 1124 |
10 |
| Haimer GmbH | 73 |
9 |
| Robert Bosch GmbH | 41786 |
7 |
| Bilz Werkzeugfabrik GmbH & Co. KG | 22 |
7 |
| J.R. Automation Technologies, L.L.C. | 39 |
6 |
| Edison Industrial Innovation, LLC | 9 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 154 |
5 |
| The Gleason Works | 201 |
4 |
| Gühring KG | 349 |
4 |
| Gühring oHG | 68 |
4 |
| Kabushiki Kaisha Miyanaga | 87 |
4 |
| Khan Workholding Co., Ltd | 14 |
4 |
| KOMET Group GmbH | 92 |
4 |
| Sandvik Intellectual Property AB | 1542 |
4 |
| Black & Decker, Inc. | 2405 |
3 |
| Makita Corporation | 2415 |
3 |
| Fuji Corporation | 3182 |
3 |
| Guehring OHG | 16 |
3 |
| Other owners | 161 |