- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21H - Incandescent mantlesother incandescent bodies heated by combustion
- F21H 1/00 - Incandescent mantlesSelection of imbibition liquids therefor
Patent holdings for IPC class F21H 1/00
Total number of patents in this class: 2
10-year publication summary
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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
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4053 |
1 |
| Lamplight Farms Incorporated | 109 |
1 |
| Other owners | 0 |