- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 9/04 - PrimingPreventing vapour lock using priming pumpsPrimingPreventing vapour lock using booster pumps to prevent vapour lock
Patent holdings for IPC class F04D 9/04
Total number of patents in this class: 84
10-year publication summary
|
7
|
8
|
4
|
3
|
10
|
13
|
11
|
8
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cornell Pump Company LLC | 83 |
6 |
| GEA Tuchenhagen GmbH | 153 |
5 |
| Rtx Corporation | 10264 |
4 |
| Smith & Loveless, Inc. | 121 |
3 |
| Waterous Company | 12 |
3 |
| Altop Patents B.V. | 3 |
3 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| Avent, Inc. | 922 |
2 |
| B.B.A. Participaties B.V. | 23 |
2 |
| Hale Products, Inc. | 82 |
2 |
| Jiangsu University | 1179 |
2 |
| Sulzer Management AG | 719 |
2 |
| Woodward, Inc. | 680 |
2 |
| Eaton Intelligent Power Limited | 6306 |
2 |
| PHINIA Jersey Holdings LLC | 370 |
2 |
| Halliburton Energy Services, Inc. | 21259 |
1 |
| SNECMA S.A. | 1145 |
1 |
| Pratt & Whitney Canada Corp. | 5638 |
1 |
| Rolls-Royce PLC | 3238 |
1 |
| Shimadzu Corporation | 6388 |
1 |
| Other owners | 37 |