- All sections
- B - Performing operations; transporting
- 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 tool; such 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: 257
10-year publication summary
|
32
|
21
|
28
|
18
|
20
|
4
|
6
|
4
|
10
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
16 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Perfect Point EDM Corporation | 18 |
10 |
| NGK Insulators, Ltd. | 4589 |
9 |
| FANUC Corporation | 5803 |
9 |
| Siemens AG | 24990 |
7 |
| Robert Bosch GmbH | 40953 |
6 |
| Sikorsky Aircraft Corporation | 1150 |
6 |
| MAG IAS GmbH | 82 |
5 |
| Rtx Corporation | 8674 |
5 |
| Safran Aircraft Engines | 5739 |
4 |
| WHG Properties, LLC | 284 |
4 |
| Vactronix Scientific, LLC | 91 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Medtronic, Inc. | 9964 |
3 |
| Daimler AG | 3462 |
3 |
| Cummins Inc. | 2369 |
3 |
| IHI Corporation | 3268 |
3 |
| stoba Holding GmbH & Co. KG | 5 |
3 |
| Other owners | 141 |