- All sections
- C - Chemistrymetallurgy
- C10H - Production of acetylene by wet methods
- C10H 19/00 - Other acetylene gas generators
Patent holdings for IPC class C10H 19/00
Total number of patents in this class: 4
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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1
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell USA, Inc. | 1243 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
1 |
| Bestrong International Limited | 4 |
1 |
| Other owners | 0 |