- 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 2/46 - Rotary-piston machines or pumps 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 outer member
Patent holdings for IPC class F04C 2/46
Total number of patents in this class: 14
10-year publication summary
5
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0
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1
|
2
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1
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0
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1
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2
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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
|
---|---|---|
Beijing Rostar Technology Co. Ltd | 15 |
4 |
Greystone Technologies Pty Ltd | 10 |
3 |
Pierburg Pump Technology GmbH | 305 |
2 |
Copeland LP | 656 |
2 |
BMA Braunschweigische Maschinenbauanstalt AG | 36 |
1 |
Vhit S.p.A. | 64 |
1 |
Nägele Mechanik GmbH | 1 |
1 |
Other owners | 0 |