- 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 18/48 - Rotary-piston pumps with non-parallel axes of movement of co-operating members
Patent holdings for IPC class F04C 18/48
Total number of patents in this class: 12
10-year publication summary
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0
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0
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2
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2
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2
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1
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3
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1
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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
|
|---|---|---|
| Exponential Technologies, Inc. | 37 |
3 |
| Rotoliptic Technologies Incorporated | 19 |
3 |
| FeTu Limited | 17 |
2 |
| Shenzhen Spherical Fluid Power Technology Co.,Ltd. | 9 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| 2228146 Alberta Inc. | 6 |
1 |
| Other owners | 0 |