- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 28/20 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by changing the form of the inner or outer contour of the working chamber
Patent holdings for IPC class F04C 28/20
Total number of patents in this class: 12
10-year publication summary
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0
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2
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2
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0
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1
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3
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0
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0
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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
|
|---|---|---|
| Magna Powertrain Inc. | 120 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Denso Corporation | 23338 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Johnson Controls Technology Company | 1522 |
1 |
| Bitzer Kuehlmaschinenbau GmbH | 140 |
1 |
| Green Refrigeration Equipment Engineering Research Center of Zhuhai GREE Co., Ltd. | 74 |
1 |
| Schwabische Huttenwerke Automotive GmbH | 68 |
1 |
| seepex GmbH | 54 |
1 |
| Soken Inc. | 211 |
1 |
| York (Wuxi) Air Conditioning and Refrigeration Co. , Ltd. | 43 |
1 |
| Other owners | 0 |