- All sections
- H - Electricity
- H01K - Electric incandescent lamps
- H01K 3/26 - Closing of vessels
Patent holdings for IPC class H01K 3/26
Total number of patents in this class: 4
10-year publication summary
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0
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0
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1
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1
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0
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0
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0
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0
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0
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 11136 |
1 |
| E-Circuit Motors, Inc. | 51 |
1 |
| Heraeus Noblelight GmbH | 123 |
1 |
| Jiangxi Klite Lighting Co., Ltd | 1 |
1 |
| Other owners | 0 |