- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/64 - Mounting; Assembling; Disassembling of axial pumps
Patent holdings for IPC class F04D 29/64
Total number of patents in this class: 980
10-year publication summary
|
106
|
131
|
118
|
118
|
83
|
70
|
84
|
81
|
76
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
59 |
| Safran Aircraft Engines | 5739 |
49 |
| Hunter Fan Company | 699 |
41 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
23 |
| General Electric Company | 18133 |
18 |
| Delta Electronics, Inc. | 2401 |
16 |
| Edwards Japan Limited | 376 |
16 |
| Opple Lighting Co., Ltd. | 698 |
15 |
| Hamilton Sundstrand Corporation | 4525 |
14 |
| Midea Group Co., Ltd. | 4025 |
14 |
| Suzhou Opple Lighting Co., Ltd. | 479 |
14 |
| Pratt & Whitney Canada Corp. | 4215 |
12 |
| Delta T, LLC | 272 |
12 |
| Ziehl-abegg SE | 184 |
12 |
| GD Midea Environment Appliances MFG Co., Ltd. | 177 |
12 |
| GE Infrastructure Technology, LLC | 5873 |
11 |
| Mitsubishi Power, Ltd. | 1680 |
11 |
| Dyson Technology Limited | 3124 |
10 |
| Nidec Corporation | 2579 |
10 |
| Shimadzu Corporation | 5791 |
9 |
| Other owners | 602 |