- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/053 - Shafts
Patent holdings for IPC class F04D 29/053
Total number of patents in this class: 493
10-year publication summary
|
74
|
113
|
89
|
47
|
42
|
41
|
41
|
27
|
35
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9410 |
36 |
| LG Electronics Inc. | 73344 |
20 |
| BorgWarner Inc. | 2599 |
17 |
| IHI Corporation | 3450 |
13 |
| Mitsubishi Heavy Industries Compressor Corporation | 631 |
13 |
| Delta Electronics, Inc. | 2620 |
12 |
| General Electric Company | 13810 |
11 |
| Hamilton Sundstrand Corporation | 4891 |
11 |
| Siemens Energy Global GmbH & Co. KG | 2978 |
10 |
| Safran Aircraft Engines | 6294 |
9 |
| Robert Bosch GmbH | 42705 |
8 |
| Fisher & Paykel Healthcare Limited | 2482 |
8 |
| Nuovo Pignone Tecnologie S.r.l. | 981 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
6 |
| Amotech Co., Ltd. | 523 |
6 |
| Edwards Japan Limited | 423 |
6 |
| Siemens AG | 24453 |
5 |
| Daikin Industries, Ltd. | 10027 |
5 |
| Rolls-Royce PLC | 3107 |
5 |
| Cryostar SAS | 120 |
5 |
| Other owners | 279 |