- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
Patent holdings for IPC class F04D 29/66
Total number of patents in this class: 3150
10-year publication summary
|
242
|
269
|
326
|
335
|
242
|
236
|
214
|
218
|
192
|
170
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46547 |
80 |
| Rtx Corporation | 9461 |
77 |
| Denso Corporation | 24541 |
75 |
| Daikin Industries, Ltd. | 10106 |
61 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
55 |
| Safran Aircraft Engines | 6316 |
55 |
| IHI Corporation | 3452 |
52 |
| LG Electronics Inc. | 73588 |
49 |
| General Electric Company | 13858 |
45 |
| Pratt & Whitney Canada Corp. | 4834 |
45 |
| Valeo Systemes Thermiques | 2743 |
44 |
| ebm-papst Mulfingen GmbH & Co. KG | 613 |
42 |
| Midea Group Co., Ltd. | 4612 |
42 |
| Delta Electronics, Inc. | 2649 |
37 |
| GREE Electric Appliances, Inc. of Zhuhai | 3252 |
37 |
| Asia Vital Components Co., Ltd. | 412 |
33 |
| Nidec Corporation | 2684 |
31 |
| BorgWarner Inc. | 2605 |
29 |
| Dyson Technology Limited | 3675 |
25 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
25 |
| Other owners | 2211 |