- 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 18/348 - 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 relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member
Patent holdings for IPC class F04C 18/348
Total number of patents in this class: 16
10-year publication summary
0
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1
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2
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2
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1
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0
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1
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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
|
---|---|---|
LG Electronics Inc. | 69257 |
7 |
Nanyang Technological University | 1739 |
3 |
Nestec S.A. | 2777 |
1 |
Bristol Compressors International, LLC | 4 |
1 |
Dafeng Fengtai Fluid Machinery Technology Co., Ltd. | 2 |
1 |
Joma-Polytec GmbH | 45 |
1 |
Magna Powertrain Bad Homburg GmbH | 64 |
1 |
VHIT S.p.A. Unipersonale | 4 |
1 |
Other owners | 0 |