- All sections
- B - Performing operationstransporting
- B23H - Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a toolsuch working combined with other forms of working of metal
- B23H 7/34 - Working media
Patent holdings for IPC class B23H 7/34
Total number of patents in this class: 12
10-year publication summary
|
0
|
0
|
4
|
1
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5014 |
3 |
| Pratt & Whitney Canada Corp. | 5213 |
2 |
| Infineon Technologies AG | 8381 |
1 |
| National Taiwan University | 1296 |
1 |
| Android Industries LLC | 121 |
1 |
| Makino Milling Machine Co., Ltd. | 425 |
1 |
| oelheld GmbH | 41 |
1 |
| Perfect Point EDM Corporation | 18 |
1 |
| Sodick Co., Ltd. | 301 |
1 |
| Other owners | 0 |