- 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 7/18 - Electric circuits specially adapted therefor, e.g. power supply for maintaining or controlling the desired spacing between electrode and workpiece
Patent holdings for IPC class B23H 7/18
Total number of patents in this class: 48
10-year publication summary
|
3
|
4
|
10
|
3
|
4
|
2
|
1
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FANUC Corporation | 6389 |
18 |
| General Electric Company | 17793 |
3 |
| Agie Charmilles SA | 38 |
3 |
| Makino Milling Machine Co., Ltd. | 405 |
3 |
| Johnson Technology, Inc. | 8 |
2 |
| Sodick America Corporation | 18 |
2 |
| Sodick Co., Ltd. | 297 |
2 |
| Pratt & Whitney Canada Corp. | 4453 |
1 |
| Robert Bosch GmbH | 41906 |
1 |
| Koninklijke Philips Electronics N.V. | 10687 |
1 |
| Industrial Technology Research Institute | 4955 |
1 |
| Mitsubishi Electric Corporation | 45024 |
1 |
| Beaumont Machine Repair, Inc. | 1 |
1 |
| Charmilles Technologies SA | 6 |
1 |
| Federal-Mogul Corporation | 334 |
1 |
| National University Corporation Okayama University | 483 |
1 |
| Nuovo Pignone SRL | 203 |
1 |
| Rolls-Royce Corporation | 1735 |
1 |
| Smaltec International, LLC | 9 |
1 |
| Nuovo Pignone Tecnologie S.r.l. | 870 |
1 |
| Other owners | 2 |