- 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 18/30 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
Patent holdings for IPC class F04C 18/30
Total number of patents in this class: 11
10-year publication summary
2
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2
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2
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1
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0
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2
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0
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3
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1
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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
|
---|---|---|
Edwards Limited | 764 |
3 |
Daikin Industries, Ltd. | 9495 |
2 |
Nanyang Technological University | 1739 |
2 |
Robert Bosch GmbH | 40953 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
1 |
Jiangsu Fengtai Fluid Machinery Technology Co., Ltd. | 2 |
1 |
Other owners | 0 |