- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 51/12 - Adapters for drills or chucks; Tapered sleeves
Patent holdings for IPC class B23B 51/12
Total number of patents in this class: 74
10-year publication summary
|
10
|
6
|
6
|
7
|
11
|
12
|
14
|
11
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1380 |
8 |
| Robert Bosch GmbH | 40953 |
5 |
| Milwaukee Electric Tool Corporation | 3572 |
5 |
| Zhejiang Sanou Machinery Co. Ltd. | 22 |
4 |
| The Boeing Company | 19843 |
3 |
| Mueller International, LLC | 694 |
3 |
| Shandong Weida Machinery Co., Ltd. | 25 |
3 |
| Medtronic Xomed, Inc. | 669 |
2 |
| Aesculap AG | 1306 |
2 |
| J.H. Fletcher & Co. | 82 |
2 |
| Suzhou Maikafu Industrial Technology Co., Ltd. | 7 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Black & Decker, Inc. | 2402 |
1 |
| The Johns Hopkins University | 5377 |
1 |
| Depuy Synthes Products, LLC | 2880 |
1 |
| Hubbell Incorporated | 3052 |
1 |
| Allied Machine & Engineering Corp. | 106 |
1 |
| Apex Brands, Inc. | 820 |
1 |
| Chang, Yeh-ching | 1 |
1 |
| Crewe-tech Pty Ltd | 4 |
1 |
| Other owners | 26 |