- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/06 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of other than internal-axis type
Patent holdings for IPC class F04C 18/06
Total number of patents in this class: 8
10-year publication summary
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1
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2
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0
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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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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15920 |
1 |
| Carrier Corporation | 3963 |
1 |
| Toyota Industries Corporation | 1195 |
1 |
| Bitzer Kühlmaschinenbau GmbH | 176 |
1 |
| Danfoss Commercial Compressors | 95 |
1 |
| Pierburg Pump Technology GmbH | 333 |
1 |
| Gert-Willem Hartmans | 1 |
1 |
| Ingersoll-Rand Industrial U.S., Inc. | 527 |
1 |
| Other owners | 0 |