- 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: 1118
10-year publication summary
|
117
|
115
|
79
|
69
|
84
|
83
|
77
|
68
|
96
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9825 |
62 |
| Safran Aircraft Engines | 6509 |
54 |
| Hunter Fan Company | 865 |
50 |
| ebm-papst Mulfingen GmbH & Co. KG | 513 |
23 |
| General Electric Company | 13809 |
19 |
| Edwards Japan Limited | 436 |
18 |
| Delta Electronics, Inc. | 2768 |
17 |
| Opple Lighting Co., Ltd. | 874 |
17 |
| Suzhou Opple Lighting Co., Ltd. | 647 |
17 |
| Midea Group Co., Ltd. | 4811 |
15 |
| Hamilton Sundstrand Corporation | 5013 |
14 |
| Delta T, LLC | 281 |
14 |
| Pratt & Whitney Canada Corp. | 5197 |
12 |
| Ziehl-abegg SE | 217 |
12 |
| GE Infrastructure Technology, LLC | 6214 |
12 |
| GD Midea Environment Appliances MFG Co., Ltd. | 223 |
12 |
| Mitsubishi Power, Ltd. | 1818 |
12 |
| Nidec Corporation | 2751 |
11 |
| Shimadzu Corporation | 6302 |
10 |
| Dyson Technology Limited | 3868 |
10 |
| Other owners | 707 |