- 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 18/44 - 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 having the movement defined in group or and having a hinged member with vanes hinged to the inner member
Patent holdings for IPC class F04C 18/44
Total number of patents in this class: 17
10-year publication summary
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2
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2
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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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2
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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
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Hanon Systems | 1632 |
2 |
| Hyundai Motor Company | 19021 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 155 |
1 |
| Nanyang Technological University | 1739 |
1 |
| WEINMANN Emergency Medical Technology GmbH + Co. KG | 68 |
1 |
| Radziwill Compressors SP. Z O.O. | 1 |
1 |
| Pars Maina Sanayi ve Ticaret Limited Sirketi | 1 |
1 |
| Halttec Group Ltd. | 2 |
1 |
| Hydrotech Holding AG | 1 |
1 |
| Suzhou Herobest Pump Industry Co., Ltd. | 1 |
1 |
| Ningbo Yongwei Group Co., Ltd. | 2 |
1 |
| Nanjing Vocational University of Industry Technology | 19 |
1 |
| LeimbachCausey, LLC | 2 |
1 |
| Other owners | 0 |