- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 5/20 - Seals between parts of vessels
Patent holdings for IPC class H01J 5/20
Total number of patents in this class: 18
10-year publication summary
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0
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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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1
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1
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1
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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
|
|---|---|---|
| Bourns, Inc. | 171 |
5 |
| Messier-Bugatti-Dowty | 243 |
2 |
| General Electric Company | 18133 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Raytheon Canada Limited | 152 |
1 |
| Arioli S.p.A. | 16 |
1 |
| Nano UV | 6 |
1 |
| Nippon Electric Glass Co., Ltd. | 2299 |
1 |
| Psion Inc. | 193 |
1 |
| Toagosei Co., Ltd. | 894 |
1 |
| ULVAC, Inc. | 1448 |
1 |
| Universita degli Studi di Milano-bicocca | 150 |
1 |
| Stazione Sperimentale per La Seta | 1 |
1 |
| Other owners | 0 |