- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/64 - MountingAssemblingDisassembling of axial pumps
Patent holdings for IPC class F04D 29/64
Total number of patents in this class: 1051
10-year publication summary
|
131
|
118
|
118
|
83
|
70
|
84
|
82
|
78
|
64
|
51
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9352 |
61 |
| Safran Aircraft Engines | 6271 |
53 |
| Hunter Fan Company | 762 |
45 |
| ebm-papst Mulfingen GmbH & Co. KG | 610 |
23 |
| General Electric Company | 13762 |
18 |
| Edwards Japan Limited | 420 |
18 |
| Delta Electronics, Inc. | 2604 |
17 |
| Midea Group Co., Ltd. | 4536 |
15 |
| Opple Lighting Co., Ltd. | 810 |
15 |
| Suzhou Opple Lighting Co., Ltd. | 590 |
15 |
| Hamilton Sundstrand Corporation | 4860 |
14 |
| Pratt & Whitney Canada Corp. | 4722 |
12 |
| Delta T, LLC | 286 |
12 |
| Ziehl-abegg SE | 211 |
12 |
| GD Midea Environment Appliances MFG Co., Ltd. | 211 |
12 |
| Mitsubishi Power, Ltd. | 1759 |
12 |
| Nidec Corporation | 2658 |
11 |
| GE Infrastructure Technology, LLC | 6213 |
11 |
| Shimadzu Corporation | 6163 |
10 |
| Dyson Technology Limited | 3640 |
10 |
| Other owners | 655 |