- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/0456 - Distribution members, e.g. valves cylindrical
Patent holdings for IPC class F04B 1/0456
Total number of patents in this class: 9
10-year publication summary
|
2
|
1
|
2
|
1
|
1
|
1
|
2
|
2
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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
|
|---|---|---|
| GD Energy Products, LLC | 126 |
3 |
| Domin Fluid Power Limited | 17 |
2 |
| Denso Corporation | 25153 |
1 |
| Poclain Hydraulics Industrie | 244 |
1 |
| Power Packer North America Inc | 21 |
1 |
| SPM Oil & Gas Inc. | 346 |
1 |
| Other owners | 0 |