- 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: 3286
10-year publication summary
|
269
|
326
|
335
|
242
|
236
|
214
|
218
|
194
|
224
|
85
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47602 |
82 |
| Rtx Corporation | 9875 |
82 |
| Denso Corporation | 25183 |
77 |
| Daikin Industries, Ltd. | 10384 |
65 |
| Mitsubishi Heavy Industries, Ltd. | 9020 |
58 |
| General Electric Company | 13831 |
56 |
| LG Electronics Inc. | 74968 |
56 |
| Safran Aircraft Engines | 6539 |
55 |
| IHI Corporation | 3514 |
50 |
| Pratt & Whitney Canada Corp. | 5223 |
47 |
| Valeo Systemes Thermiques | 2810 |
44 |
| Midea Group Co., Ltd. | 4837 |
43 |
| ebm-papst Mulfingen GmbH & Co. KG | 501 |
41 |
| Delta Electronics, Inc. | 2777 |
40 |
| GREE Electric Appliances, Inc. of Zhuhai | 3278 |
37 |
| Asia Vital Components Co., Ltd. | 429 |
33 |
| Nidec Corporation | 2765 |
32 |
| BorgWarner Inc. | 2580 |
29 |
| Dyson Technology Limited | 3893 |
26 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
25 |
| Other owners | 2308 |