- 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 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: 70
10-year publication summary
|
3
|
4
|
5
|
8
|
4
|
1
|
3
|
10
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1719 |
6 |
| Illinois Tool Works Inc. | 11386 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8531 |
4 |
| Robert Bosch GmbH | 41765 |
3 |
| Ensitech IP Pty Ltd | 38 |
3 |
| General Electric Company | 17783 |
2 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1500 |
2 |
| Faraday Technology, Inc. | 32 |
2 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 43 |
2 |
| Roche Sequencing Solutions, Inc. | 611 |
2 |
| GE Infrastructure Technology, LLC | 6114 |
2 |
| Cloud Network Technology Singapore Pte. Ltd. | 407 |
2 |
| Hitachi, Ltd. | 15220 |
1 |
| Mitsubishi Electric Corporation | 44794 |
1 |
| Corning Incorporated | 10112 |
1 |
| United Microelectronics Corp. | 4102 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4799 |
1 |
| The United States of America as represented by the Secretary of the Army | 1180 |
1 |
| Kennametal Inc. | 1386 |
1 |
| ACM Research (Shanghai) Inc. | 256 |
1 |
| Other owners | 28 |