- All sections
- C - Chemistry; metallurgy
- C99Z - Subject matter not otherwise provided for in this section
- C99Z 99/00 - Subject matter not otherwise provided for in this section
Patent holdings for IPC class C99Z 99/00
Total number of patents in this class: 4
10-year publication summary
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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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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
|
|---|---|---|
| Hydro-Quebec | 637 |
2 |
| de Caries, Jennilee | 2 |
1 |
| Ville de Caries, Glenn | 1 |
1 |
| Other owners | 0 |