- All sections
- B - Performing operations; transporting
- B23K - Soldering or unsoldering; welding; cladding or plating by soldering or welding; cutting by applying heat locally, e.g. flame cutting; working by laser beam
- B23K 15/04 - Electron-beam welding or cutting for welding annular seams
Patent holdings for IPC class B23K 15/04
Total number of patents in this class: 33
10-year publication summary
|
5
|
3
|
7
|
2
|
0
|
2
|
5
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
7 |
| Techmeta Engineering SAS | 3 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Aisin AW Co., Ltd. | 2430 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Electric Power Research Institute, Inc. | 223 |
2 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
2 |
| The Boeing Company | 19843 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| ATI Properties LLC | 202 |
1 |
| Bharat Forge Ltd. | 35 |
1 |
| BLANCO GmbH + Co KG | 323 |
1 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
1 |
| Endress+Hauser GmbH+Co. KG | 509 |
1 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 147 |
1 |
| SCHOTT AG | 1675 |
1 |
| Subaru Corporation | 2959 |
1 |
| Allectra Limited | 1 |
1 |
| Vertice Oil Tools Inc. | 87 |
1 |
| Other owners | 0 |