- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 51/00 - Tools for drilling machines
Patent holdings for IPC class B23B 51/00
Total number of patents in this class: 1387
10-year publication summary
|
113
|
109
|
113
|
118
|
90
|
73
|
84
|
77
|
79
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 1101 |
193 |
| Kyocera Corporation | 14433 |
125 |
| Mitsubishi Materials Corporation | 2481 |
83 |
| Tungaloy Corporation | 539 |
78 |
| Sumitomo Electric Industries, Ltd. | 16331 |
63 |
| Kennametal Inc. | 1354 |
58 |
| OSG Corporation | 350 |
51 |
| Milwaukee Electric Tool Corporation | 5004 |
43 |
| Iscar, Ltd. | 1083 |
38 |
| Robert Bosch GmbH | 44252 |
35 |
| Hilti Aktiengesellschaft | 3705 |
22 |
| Allied Machine & Engineering Corp. | 102 |
19 |
| AB Sandvik Coromant | 306 |
18 |
| Sandvik Intellectual Property AB | 1389 |
18 |
| The Boeing Company | 20196 |
14 |
| SECO Tools AB | 448 |
14 |
| Black & Decker, Inc. | 2463 |
12 |
| Mitsubishi Hitachi Tool Engineering, Ltd. | 90 |
9 |
| Unitac, Inc. | 15 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2841 |
8 |
| Other owners | 477 |