- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/84 - Traps for removing or diverting unwanted particles, e.g. negative ions or fringing electrons; Arrangements for velocity or mass selection
Patent holdings for IPC class H01J 29/84
Total number of patents in this class: 4
10-year publication summary
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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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2
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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
|
|---|---|---|
| Korea Institute of Industrial Technology | 994 |
1 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
1 |
| DH Technologies Development Pte. Ltd. | 938 |
1 |
| Analytik Jena GmbH+Co. KG | 52 |
1 |
| Other owners | 0 |