- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/08 - Manufacture of heaters for indirectly-heated cathodes
Patent holdings for IPC class H01J 9/08
Total number of patents in this class: 2
10-year publication summary
0
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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
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0
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1
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Aerojet-general Corporation | 22 |
1 |
Pipl Limited | 26 |
1 |
Other owners | 0 |