- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03C - Positive-displacement engines driven by liquids
- F03C 2/30 - Rotary-piston 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
Patent holdings for IPC class F03C 2/30
Total number of patents in this class: 22
10-year publication summary
|
1
|
5
|
1
|
0
|
3
|
2
|
1
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0
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0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Greystone Technologies Pty Ltd | 10 |
3 |
| Taizhou Hongyi Hydraulic Servo Technology Co., Ltd. | 7 |
2 |
| Hanon Systems EFP Deutschland GmbH | 94 |
2 |
| Hydraulic Technologies USA LLC | 26 |
2 |
| Samsung Electronics Co., Ltd. | 153573 |
1 |
| Denso Corporation | 25165 |
1 |
| Edwards Limited | 781 |
1 |
| Kuwait University | 87 |
1 |
| Mathers Hydraulics Technologies Pty Ltd | 22 |
1 |
| Nidec GPM GmbH | 141 |
1 |
| NS Creation Ltd. | 2 |
1 |
| Okamura Yugen Kaisha | 24 |
1 |
| Woodward, Inc. | 670 |
1 |
| Yugen Kaisha Nakanoseisakusho | 6 |
1 |
| Pdt, LLC | 2 |
1 |
| Shanghai Vision Mechanical Joint Co., Ltd. | 18 |
1 |
| DPC Hydraulics S.r.l. | 48 |
1 |
| Other owners | 0 |