- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/46 - Rotary-piston machines or engines 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 F01C 1/46
Total number of patents in this class: 22
10-year publication summary
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1
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1
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2
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2
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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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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Beijing Rostar Technology Co. Ltd | 15 |
4 |
| Lumenium LLC | 15 |
3 |
| E.A. Technical Services Limited | 2 |
2 |
| Greystone Technologies Pty Ltd | 10 |
2 |
| WB Development Company, LLC | 20 |
2 |
| Copeland LP | 676 |
2 |
| Fujitsu General Limited | 579 |
1 |
| LiquidPiston, Inc. | 45 |
1 |
| MAHLE International GmbH | 2701 |
1 |
| Tocircle Industries AS | 12 |
1 |
| Novoro Oy | 2 |
1 |
| Monmic Engines AB | 2 |
1 |
| Nägele Mechanik GmbH | 1 |
1 |
| Other owners | 0 |