- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 21/22 - Vacuum gauges by measuring variation of frictional resistance of gases using resonance effects of a vibrating body; Vacuum gauges of the Klumb type
Patent holdings for IPC class G01L 21/22
Total number of patents in this class: 11
10-year publication summary
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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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1
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0
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2
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0
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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
|
|---|---|---|
| King Abdullah University of Science and Technology | 1703 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Oracle America, Inc. | 3928 |
1 |
| Epcos AG | 778 |
1 |
| Carl Zeiss SMT GmbH | 2646 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
1 |
| Technische Universität Chemnitz | 44 |
1 |
| Other owners | 0 |