- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 2/24 - Rotary-piston machines or pumps of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions
Patent holdings for IPC class F04C 2/24
Total number of patents in this class: 12
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bitzer Kuehlmaschinenbau GmbH | 156 |
1 |
| Bosch Pouch Systems AG | 20 |
1 |
| Edwards Limited | 781 |
1 |
| Equistar Chemicals, LP | 352 |
1 |
| FLUID-O-TECH S.r.l. | 27 |
1 |
| IHI Corporation | 3516 |
1 |
| INGERSOLL Rand International Limited | 4 |
1 |
| Kobe Steel, Ltd. | 893 |
1 |
| Kyungwon Machinery Co., Ltd. | 5 |
1 |
| Schwabische Huttenwerke Automotive GmbH | 63 |
1 |
| Exodus R&D International PTE, LTD. | 7 |
1 |
| Torad, Inc. | 8 |
1 |
| Other owners | 0 |