- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 3/02 - Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged at an angle of 90 degrees
Patent holdings for IPC class F04C 3/02
Total number of patents in this class: 5
10-year publication summary
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0
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0
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0
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2
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0
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1
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0
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21242 |
1 |
| Hero Europe S.r.l. | 13 |
1 |
| Central Victory Limited HK | 9 |
1 |
| Copeland Industrial LP | 45 |
1 |
| Obshchestvo S Ogranichennoi Otvetstvennostiu "amatec" | 3 |
1 |
| Other owners | 0 |