- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 39/04 - Co-ordinate boring or drilling machines; Machines for making holes without previous marking
Patent holdings for IPC class B23B 39/04
Total number of patents in this class: 20
10-year publication summary
|
2
|
3
|
2
|
2
|
3
|
0
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milwaukee Electric Tool Corporation | 3572 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Aimmtech Co.,Ltd. | 5 |
2 |
| President and Fellows of Harvard College | 5792 |
1 |
| Hilti Aktiengesellschaft | 3227 |
1 |
| Kennametal Inc. | 1380 |
1 |
| Beth Israel Deaconess Medical Center, Inc. | 844 |
1 |
| C. & E. FEIN GmbH | 187 |
1 |
| Doosan Machine Tools Co., Ltd. | 53 |
1 |
| Martin Scientific, LLC | 5 |
1 |
| Sugino Machine Limited | 152 |
1 |
| Tetra Technologies, Inc. | 90 |
1 |
| Zagar Inc. | 4 |
1 |
| Jin Yang BGM Tech. Co.Ltd | 1 |
1 |
| Magswitch Technology Korea Co., Ltd | 1 |
1 |
| Sungnam Electronic.co., Ltd. | 2 |
1 |
| Other owners | 0 |