- 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 3/04 - Electrodes specially adapted therefor or their manufacture
Patent holdings for IPC class B23H 3/04
Total number of patents in this class: 179
10-year publication summary
15
|
18
|
21
|
15
|
16
|
9
|
12
|
8
|
16
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
General Electric Company | 18133 |
14 |
MTU Aero Engines AG | 622 |
14 |
GE Infrastructure Technology, LLC | 5873 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
8 |
Safran Aircraft Engines | 5739 |
7 |
Siemens AG | 24990 |
6 |
MTU Aero Engines GmbH | 565 |
5 |
Vactronix Scientific, LLC | 91 |
5 |
Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 47 |
4 |
Nanjing University of Aeronautics and Astronautics | 360 |
4 |
Rolls-Royce Corporation | 1686 |
4 |
Triwatech, L.L.C. | 12 |
4 |
Rtx Corporation | 8674 |
4 |
Anycasting Co., Ltd. | 44 |
3 |
Jiangsu University | 950 |
3 |
stoba Holding GmbH & Co. KG | 5 |
3 |
Cloud Network Technology Singapore Pte. Ltd. | 431 |
3 |
Centre National de La Recherche Scientifique | 9632 |
2 |
Corning Incorporated | 9932 |
2 |
Continental Automotive GmbH | 5573 |
2 |
Other owners | 73 |