- 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 9/00 - Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
Patent holdings for IPC class B23H 9/00
Total number of patents in this class: 245
10-year publication summary
|
21
|
28
|
18
|
20
|
4
|
6
|
4
|
11
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13838 |
14 |
| Mitsubishi Electric Corporation | 45899 |
10 |
| Perfect Point EDM Corporation | 18 |
10 |
| FANUC Corporation | 6624 |
8 |
| NGK Insulators, Ltd. | 4943 |
7 |
| Sikorsky Aircraft Corporation | 1105 |
6 |
| MAG IAS GmbH | 80 |
5 |
| Safran Aircraft Engines | 6265 |
5 |
| Rtx Corporation | 9319 |
5 |
| Siemens AG | 24552 |
4 |
| Robert Bosch GmbH | 42596 |
4 |
| WHG Properties, LLC | 339 |
4 |
| Vactronix Scientific, LLC | 86 |
4 |
| Halliburton Energy Services, Inc. | 20788 |
3 |
| Centre National de La Recherche Scientifique | 10395 |
3 |
| Medtronic, Inc. | 9797 |
3 |
| Daimler AG | 3402 |
3 |
| Cummins Inc. | 2565 |
3 |
| stoba Holding GmbH & Co. KG | 5 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 954 |
3 |
| Other owners | 138 |