- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/056 - Bearings
Patent holdings for IPC class F04D 29/056
Total number of patents in this class: 636
10-year publication summary
|
66
|
78
|
79
|
66
|
59
|
63
|
57
|
40
|
57
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9529 |
24 |
| IHI Corporation | 3462 |
23 |
| BorgWarner Inc. | 2607 |
21 |
| Hamilton Sundstrand Corporation | 4946 |
18 |
| Safran Aircraft Engines | 6352 |
18 |
| General Electric Company | 13865 |
16 |
| Dyson Technology Limited | 3723 |
16 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 788 |
16 |
| LG Electronics Inc. | 73818 |
15 |
| Daikin Industries, Ltd. | 10133 |
13 |
| Hanon Systems | 1998 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8847 |
10 |
| Robert Bosch GmbH | 42941 |
10 |
| Edwards Limited | 786 |
10 |
| Delta Electronics, Inc. | 2661 |
9 |
| JPMorgan Chase Bank, National Association | 8601 |
9 |
| Mitsubishi Heavy Industries Compressor Corporation | 633 |
9 |
| Nidec Corporation | 2692 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 32219 |
8 |
| Carrier Corporation | 4297 |
8 |
| Other owners | 363 |