- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/00 - ChucksExpansion mandrelsAdaptations thereof for remote control
Patent holdings for IPC class B23B 31/00
Total number of patents in this class: 399
10-year publication summary
|
33
|
32
|
36
|
22
|
37
|
26
|
35
|
21
|
20
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3705 |
20 |
| Franz Haimer Maschinenbau KG | 141 |
19 |
| Iscar, Ltd. | 1083 |
15 |
| Kennametal Inc. | 1354 |
14 |
| Robert Bosch GmbH | 44252 |
10 |
| DMG MORI Co., Ltd. | 933 |
10 |
| Fuji Corporation | 3668 |
8 |
| Ceratizit Austria Gesellschaft mbH | 118 |
7 |
| Aesculap AG | 1454 |
6 |
| Haimer GmbH | 75 |
6 |
| Milwaukee Electric Tool Corporation | 5004 |
6 |
| Guehring KG | 65 |
5 |
| Howa Machinery, Ltd. | 32 |
5 |
| KOMET Group GmbH | 85 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 127 |
5 |
| Schunk GmbH & Co. KG Spann- und Greiftechnik | 94 |
5 |
| Medtronic PS Medical, Inc. | 100 |
4 |
| C. & E. FEIN GmbH | 192 |
4 |
| Makino Milling Machine Co., Ltd. | 432 |
4 |
| Nikken Kosakusho Works Ltd. | 27 |
4 |
| Other owners | 237 |