- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 37/18 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use for specific elastic fluids
Patent holdings for IPC class F04B 37/18
Total number of patents in this class: 70
10-year publication summary
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8
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9
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6
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7
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6
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5
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6
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9
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9
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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
|
|---|---|---|
| Linde Aktiengesellschaft | 1548 |
5 |
| LG Electronics Inc. | 71185 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10700 |
3 |
| General Fusion Inc. | 73 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3606 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 866 |
3 |
| Eaton Corporation | 1830 |
2 |
| Burckhardt Compression AG | 116 |
2 |
| Gardner Denver Thomas GmbH | 12 |
2 |
| Pressure Wave Systems GmbH | 13 |
2 |
| sera GmbH | 57 |
2 |
| TPE Midstream LLC | 41 |
2 |
| LiquidPower Specialty Products, Inc. | 69 |
2 |
| Van Halteren Technologies Boxtel B.V. | 10 |
2 |
| Panasonic Corporation | 20307 |
1 |
| Industrial Technology Research Institute | 4954 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 29895 |
1 |
| AOSense, Inc. | 31 |
1 |
| Chinook End-Stage Recycling Limited | 20 |
1 |
| Cryostar SAS | 113 |
1 |
| Other owners | 28 |