- 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 3/02 - Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits
Patent holdings for IPC class B23H 3/02
Total number of patents in this class: 72
10-year publication summary
|
4
|
5
|
8
|
4
|
2
|
3
|
11
|
7
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1684 |
6 |
| Illinois Tool Works Inc. | 11894 |
5 |
| General Electric Company | 13999 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
4 |
| Ensitech IP Pty Ltd | 38 |
3 |
| Robert Bosch GmbH | 44363 |
2 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1621 |
2 |
| Extrude Hone GmbH | 17 |
2 |
| Faraday Technology, Inc. | 32 |
2 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 38 |
2 |
| Nanjing University of Aeronautics and Astronautics | 503 |
2 |
| Roche Sequencing Solutions, Inc. | 738 |
2 |
| GE Infrastructure Technology, LLC | 6152 |
2 |
| Cloud Network Technology Singapore Pte. Ltd. | 379 |
2 |
| Hitachi, Ltd. | 16221 |
1 |
| Mitsubishi Electric Corporation | 48409 |
1 |
| Corning Incorporated | 10550 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5297 |
1 |
| The United States of America as represented by the Secretary of the Army | 1264 |
1 |
| Kennametal Inc. | 1355 |
1 |
| Other owners | 26 |