- 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 7/20 - Electric circuits specially adapted therefor, e.g. power supply for programme-control, e.g. adaptive
Patent holdings for IPC class B23H 7/20
Total number of patents in this class: 208
10-year publication summary
|
17
|
28
|
16
|
12
|
12
|
12
|
23
|
8
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FANUC Corporation | 7277 |
99 |
| Mitsubishi Electric Corporation | 48146 |
28 |
| Agie Charmilles SA | 40 |
8 |
| Makino Milling Machine Co., Ltd. | 435 |
8 |
| Sodick Co., Ltd. | 301 |
6 |
| Pratt & Whitney Canada Corp. | 5519 |
5 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1612 |
5 |
| Roche Sequencing Solutions, Inc. | 730 |
5 |
| General Electric Company | 13912 |
3 |
| National Taiwan Normal University | 142 |
3 |
| Thermocompact | 42 |
3 |
| Industrial Technology Research Institute | 5204 |
2 |
| Johnson Technology, Inc. | 8 |
2 |
| Metal Industries Research & Development Centre | 243 |
2 |
| MTU Aero Engines AG | 731 |
2 |
| Nuovo Pignone S.p.A. | 89 |
2 |
| Seibu Electric & Machinery Co., Ltd. | 50 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 1219 |
2 |
| REC Solar Pte. Ltd. | 116 |
2 |
| GF Machining Solutions Services SA | 4 |
2 |
| Other owners | 17 |