- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 51/04 - Tools for drilling machines for trepanning
Patent holdings for IPC class B23B 51/04
Total number of patents in this class: 579
10-year publication summary
|
38
|
55
|
65
|
76
|
99
|
44
|
64
|
36
|
45
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3227 |
79 |
| Milwaukee Electric Tool Corporation | 3572 |
64 |
| Black & Decker, Inc. | 2402 |
35 |
| Robert Bosch GmbH | 40953 |
26 |
| Iscar, Ltd. | 1084 |
19 |
| botek Präzisionsbohrtechnik GmbH | 26 |
18 |
| Kennametal Inc. | 1380 |
17 |
| Sandvik Intellectual Property AB | 1634 |
14 |
| Allied Machine & Engineering Corp. | 106 |
13 |
| Kabushiki Kaisha Miyanaga | 90 |
11 |
| Tungaloy Corporation | 481 |
9 |
| C. & E. FEIN GmbH | 187 |
8 |
| Boorwerk B.V. | 11 |
7 |
| Kennametal India Limited | 30 |
7 |
| Kyocera Corporation | 12735 |
6 |
| botek Praezisionsbohrtechnik GmbH | 12 |
6 |
| KOMET Group GmbH | 93 |
6 |
| Irwin Industrial Tool Company | 47 |
5 |
| AB Sandvik Coromant | 175 |
4 |
| Western SAW Manufacturers, Inc. | 8 |
4 |
| Other owners | 221 |