- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 51/02 - Twist drills
Patent holdings for IPC class B23B 51/02
Total number of patents in this class: 792
10-year publication summary
|
59
|
70
|
71
|
62
|
53
|
45
|
34
|
45
|
27
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1356 |
123 |
| Iscar, Ltd. | 1081 |
58 |
| Kyocera Corporation | 14335 |
38 |
| Robert Bosch GmbH | 44128 |
29 |
| Sandvik Intellectual Property AB | 1398 |
25 |
| Milwaukee Electric Tool Corporation | 4954 |
24 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 128 |
23 |
| Hilti Aktiengesellschaft | 3662 |
22 |
| Sumitomo Electric Hardmetal Corp. | 1101 |
21 |
| OSG Corporation | 351 |
17 |
| TaeguTec, Ltd. | 178 |
14 |
| Black & Decker, Inc. | 2443 |
13 |
| Mitsubishi Materials Corporation | 2468 |
12 |
| Subaru Corporation | 3999 |
11 |
| AB Sandvik Coromant | 296 |
10 |
| Gühring oHG | 65 |
10 |
| Korloy Inc. | 264 |
10 |
| SECO Tools AB | 449 |
10 |
| Shenzhen Jinzhou Precision Technology Corp. | 24 |
8 |
| Tungaloy Corporation | 536 |
8 |
| Other owners | 306 |