- 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: 506
10-year publication summary
|
115
|
91
|
47
|
43
|
42
|
42
|
26
|
37
|
24
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9946 |
38 |
| LG Electronics Inc. | 75274 |
19 |
| BorgWarner Inc. | 2587 |
17 |
| Mitsubishi Heavy Industries Compressor Corporation | 636 |
14 |
| IHI Corporation | 3526 |
13 |
| Delta Electronics, Inc. | 2804 |
12 |
| Hamilton Sundstrand Corporation | 5019 |
12 |
| General Electric Company | 13822 |
11 |
| Siemens Energy Global GmbH & Co. KG | 3287 |
10 |
| Fisher & Paykel Healthcare Limited | 2620 |
9 |
| Safran Aircraft Engines | 6576 |
9 |
| Robert Bosch GmbH | 43788 |
8 |
| Nuovo Pignone Tecnologie S.r.l. | 1178 |
8 |
| Amotech Co., Ltd. | 541 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
6 |
| Daikin Industries, Ltd. | 10401 |
6 |
| Edwards Japan Limited | 438 |
6 |
| Siemens AG | 24132 |
5 |
| Rolls-Royce PLC | 3188 |
5 |
| Cryostar SAS | 116 |
5 |
| Other owners | 286 |