- 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 3/04 - Electrodes specially adapted therefor or their manufacture
Patent holdings for IPC class B23H 3/04
Total number of patents in this class: 197
10-year publication summary
|
19
|
14
|
16
|
9
|
11
|
9
|
18
|
17
|
12
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MTU Aero Engines AG | 709 |
19 |
| General Electric Company | 13776 |
17 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
9 |
| Nanjing University of Aeronautics and Astronautics | 468 |
9 |
| GE Infrastructure Technology, LLC | 6202 |
9 |
| Safran Aircraft Engines | 6474 |
7 |
| Siemens AG | 24278 |
5 |
| MTU Aero Engines GmbH | 458 |
5 |
| Vactronix Scientific, LLC | 84 |
5 |
| Cummins Ltd. | 202 |
4 |
| Rolls-Royce Corporation | 1691 |
4 |
| Triwatech, L.L.C. | 12 |
4 |
| Voxel Innovations, Inc. | 7 |
4 |
| Anycasting Co., Ltd. | 50 |
3 |
| Ensitech IP Pty Ltd | 38 |
3 |
| Extrude Hone GmbH | 16 |
3 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 40 |
3 |
| Jiangsu University | 1140 |
3 |
| stoba Holding GmbH & Co. KG | 5 |
3 |
| Cloud Network Technology Singapore Pte. Ltd. | 387 |
3 |
| Other owners | 75 |