- 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: 3030
10-year publication summary
|
253
|
275
|
336
|
339
|
251
|
244
|
218
|
226
|
188
|
68
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45414 |
78 |
| Denso Corporation | 24007 |
75 |
| Rtx Corporation | 9242 |
75 |
| Daikin Industries, Ltd. | 9920 |
57 |
| Mitsubishi Heavy Industries, Ltd. | 8573 |
54 |
| Safran Aircraft Engines | 6172 |
53 |
| IHI Corporation | 3379 |
50 |
| LG Electronics Inc. | 71880 |
49 |
| Pratt & Whitney Canada Corp. | 4477 |
44 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
42 |
| General Electric Company | 17076 |
38 |
| Midea Group Co., Ltd. | 4430 |
38 |
| Valeo Systemes Thermiques | 2665 |
38 |
| GREE Electric Appliances, Inc. of Zhuhai | 3193 |
37 |
| Delta Electronics, Inc. | 2555 |
34 |
| Asia Vital Components Co., Ltd. | 403 |
32 |
| Nidec Corporation | 2623 |
30 |
| BorgWarner Inc. | 2617 |
29 |
| Mitsubishi Heavy Industries Compressor Corporation | 625 |
25 |
| Robert Bosch GmbH | 42170 |
23 |
| Other owners | 2129 |