- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the like; Balancing
Patent holdings for IPC class F04D 29/66
Total number of patents in this class: 2861
10-year publication summary
|
232
|
253
|
275
|
336
|
339
|
251
|
240
|
216
|
221
|
56
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
81 |
| Denso Corporation | 23338 |
74 |
| Rtx Corporation | 8674 |
72 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
55 |
| Safran Aircraft Engines | 5739 |
50 |
| Daikin Industries, Ltd. | 9495 |
49 |
| IHI Corporation | 3268 |
48 |
| Pratt & Whitney Canada Corp. | 4215 |
43 |
| LG Electronics Inc. | 69257 |
42 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
42 |
| Valeo Systemes Thermiques | 2471 |
37 |
| Midea Group Co., Ltd. | 4025 |
34 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
33 |
| General Electric Company | 18133 |
32 |
| Asia Vital Components Co., Ltd. | 413 |
32 |
| BorgWarner Inc. | 2604 |
30 |
| Nidec Corporation | 2579 |
30 |
| Delta Electronics, Inc. | 2401 |
28 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
25 |
| Robert Bosch GmbH | 40953 |
23 |
| Other owners | 2001 |