- 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: 1063
10-year publication summary
|
131
|
118
|
118
|
83
|
70
|
84
|
82
|
79
|
64
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9376 |
61 |
| Safran Aircraft Engines | 6276 |
53 |
| Hunter Fan Company | 764 |
46 |
| ebm-papst Mulfingen GmbH & Co. KG | 615 |
23 |
| General Electric Company | 13780 |
18 |
| Edwards Japan Limited | 420 |
18 |
| Delta Electronics, Inc. | 2605 |
17 |
| Opple Lighting Co., Ltd. | 813 |
17 |
| Suzhou Opple Lighting Co., Ltd. | 593 |
17 |
| Midea Group Co., Ltd. | 4547 |
15 |
| Hamilton Sundstrand Corporation | 4868 |
14 |
| Delta T, LLC | 287 |
13 |
| Pratt & Whitney Canada Corp. | 4745 |
12 |
| Ziehl-abegg SE | 212 |
12 |
| GD Midea Environment Appliances MFG Co., Ltd. | 211 |
12 |
| Mitsubishi Power, Ltd. | 1762 |
12 |
| Nidec Corporation | 2662 |
11 |
| GE Infrastructure Technology, LLC | 6222 |
11 |
| Shimadzu Corporation | 6169 |
10 |
| Dyson Technology Limited | 3638 |
10 |
| Other owners | 661 |