- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 31/00 - Chucks; Expansion mandrels; Adaptations thereof for remote control
Patent holdings for IPC class B23B 31/00
Total number of patents in this class: 387
10-year publication summary
|
40
|
28
|
33
|
32
|
36
|
22
|
38
|
27
|
31
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3227 |
20 |
| Franz Haimer Maschinenbau KG | 144 |
20 |
| Iscar, Ltd. | 1084 |
14 |
| Kennametal Inc. | 1380 |
11 |
| Robert Bosch GmbH | 40953 |
9 |
| DMG MORI Co., Ltd. | 751 |
9 |
| Fuji Corporation | 2924 |
8 |
| Ceratizit Austria Gesellschaft mbH | 118 |
7 |
| Aesculap AG | 1306 |
6 |
| Haimer GmbH | 73 |
6 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 153 |
6 |
| Milwaukee Electric Tool Corporation | 3572 |
6 |
| Schunk GmbH & Co. KG Spann- und Greiftechnik | 111 |
6 |
| Guehring KG | 58 |
5 |
| Howa Machinery, Ltd. | 40 |
5 |
| KOMET Group GmbH | 93 |
5 |
| Sandvik Intellectual Property AB | 1634 |
5 |
| Medtronic PS Medical, Inc. | 81 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Gyrus ACMI, Inc. | 1071 |
3 |
| Other owners | 230 |