- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 9/28 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity by measuring pressure differences by measuring the blowing pressure of gas bubbles escaping from nozzles at different depths in a liquid
Patent holdings for IPC class G01N 9/28
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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2
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0
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0
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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
|
|---|---|---|
| Battelle Energy Alliance, LLC | 588 |
1 |
| Shandong University of Science and Technology | 528 |
1 |
| Universidad de Santiago de Chile | 157 |
1 |
| Sany Heavy Equipment Co., Ltd. | 77 |
1 |
| Other owners | 0 |