- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 3/38 - Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with stationary measuring chambers having constant volume during measurement having only one measuring chamber
Patent holdings for IPC class G01F 3/38
Total number of patents in this class: 32
10-year publication summary
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0
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2
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3
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4
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2
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1
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1
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3
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 692 |
4 |
| Unilever PLC | 3201 |
2 |
| Unilever N.V. | 3108 |
2 |
| Conopco, Inc. | 5020 |
2 |
| CKD Corporation | 453 |
2 |
| Observe Medical ApS | 15 |
2 |
| Saudi Arabian Oil Company | 13091 |
2 |
| Dell Products L.P. | 14332 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4946 |
1 |
| Battelle Energy Alliance, LLC | 583 |
1 |
| Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | 77 |
1 |
| HORIBA STEC, Co., Ltd. | 334 |
1 |
| Illumina, Inc. | 3345 |
1 |
| Korea Institute of Geoscience and Mineral Resources | 239 |
1 |
| Nordson Corporation | 1197 |
1 |
| Talley Group Limited | 29 |
1 |
| University of Idaho | 103 |
1 |
| Westfaliasurge GmbH | 11 |
1 |
| Kesem Health Pty Ltd | 3 |
1 |
| MEON Medical Solutions GmbH & Co. KG | 27 |
1 |
| Other owners | 3 |