- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17B - Gas-holders of variable capacity
- F17B 1/00 - Gas-holders of variable capacity
Patent holdings for IPC class F17B 1/00
Total number of patents in this class: 13
10-year publication summary
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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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0
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2
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1
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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
|
|---|---|---|
| Chevron U.S.A. Inc. | 3914 |
1 |
| The Trustees of Columbia University in the City of New York | 3556 |
1 |
| The Board of Regents for Oklahoma State University | 156 |
1 |
| Luon Energy LLC | 1 |
1 |
| Particle Measuring Systems, Inc. | 161 |
1 |
| PENTAIR Residential Filtration, LLC | 105 |
1 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2358 |
1 |
| Sattler AG | 76 |
1 |
| Haier Smart Home Co., Ltd. | 5417 |
1 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1851 |
1 |
| Gerdau Açominas S/A | 6 |
1 |
| Hefei All-plus Environmental Technology Co., Ltd. | 1 |
1 |
| Shenzhen Cone Technology Co., Ltd. | 15 |
1 |
| Other owners | 0 |