- 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 20/18 - Zonal welding by interposing weld-preventing substances between zones not to be welded
Patent holdings for IPC class B23K 20/18
Total number of patents in this class: 32
10-year publication summary
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1
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1
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2
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2
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2
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1
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2
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3
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1
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SNECMA S.A. | 1160 |
3 |
| Rolls-Royce PLC | 2944 |
3 |
| Snecma | 1065 |
3 |
| Nissan Motor Co., Ltd. | 12249 |
2 |
| Schunk Sonosystems GmbH | 82 |
2 |
| Siemens AG | 24990 |
1 |
| The Boeing Company | 19843 |
1 |
| Komatsu Ltd. | 4265 |
1 |
| Constellium Neuf-brisach SAS | 6 |
1 |
| EMS Engineered Materials Solutions, LLC | 28 |
1 |
| Forschungszentrum Julich GmbH | 604 |
1 |
| Laird Technologies, Inc. | 385 |
1 |
| MAHLE International GmbH | 2670 |
1 |
| Public Stock Company "vsmpo-avisma Corporation" | 25 |
1 |
| Rolls-Royce Corporation | 1686 |
1 |
| Safran Aircraft Engines | 5739 |
1 |
| Vacuum Process Engineering, Inc. | 8 |
1 |
| Rubanox Chambery | 2 |
1 |
| Aviadvigatel Open Joint Stock Company | 1 |
1 |
| Institute for Metals Superplasticity Problems of The Russian Academy of Sciences (imsp Ras) | 4 |
1 |
| Other owners | 4 |