- 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: 618
10-year publication summary
|
66
|
79
|
80
|
66
|
61
|
64
|
58
|
39
|
57
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9325 |
24 |
| IHI Corporation | 3414 |
23 |
| BorgWarner Inc. | 2602 |
21 |
| Safran Aircraft Engines | 6265 |
18 |
| Hamilton Sundstrand Corporation | 4844 |
16 |
| Dyson Technology Limited | 3620 |
16 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 771 |
16 |
| General Electric Company | 13829 |
14 |
| LG Electronics Inc. | 72737 |
13 |
| Daikin Industries, Ltd. | 9973 |
13 |
| Hanon Systems | 1917 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8685 |
10 |
| Robert Bosch GmbH | 42614 |
10 |
| Edwards Limited | 793 |
10 |
| Delta Electronics, Inc. | 2596 |
9 |
| JPMorgan Chase Bank, National Association | 8542 |
9 |
| Mitsubishi Heavy Industries Compressor Corporation | 629 |
9 |
| Nidec Corporation | 2654 |
9 |
| Carrier Corporation | 4354 |
8 |
| Asia Vital Components Co., Ltd. | 406 |
8 |
| Other owners | 351 |