- 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: 390
10-year publication summary
|
28
|
33
|
32
|
36
|
22
|
38
|
28
|
33
|
20
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3380 |
20 |
| Franz Haimer Maschinenbau KG | 140 |
19 |
| Iscar, Ltd. | 1124 |
15 |
| Kennametal Inc. | 1386 |
12 |
| Robert Bosch GmbH | 41765 |
10 |
| DMG MORI Co., Ltd. | 821 |
9 |
| Ceratizit Austria Gesellschaft mbH | 120 |
8 |
| Fuji Corporation | 3177 |
8 |
| Aesculap AG | 1340 |
6 |
| Haimer GmbH | 73 |
6 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 154 |
6 |
| Milwaukee Electric Tool Corporation | 4092 |
6 |
| Schunk GmbH & Co. KG Spann- und Greiftechnik | 104 |
6 |
| Guehring KG | 57 |
5 |
| Howa Machinery, Ltd. | 38 |
5 |
| KOMET Group GmbH | 92 |
5 |
| Sandvik Intellectual Property AB | 1543 |
5 |
| Medtronic PS Medical, Inc. | 93 |
4 |
| C. & E. FEIN GmbH | 190 |
4 |
| Nikken Kosakusho Works Ltd. | 25 |
4 |
| Other owners | 227 |