- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/30 - Vanes
Patent holdings for IPC class F04D 29/30
Total number of patents in this class: 971
10-year publication summary
|
67
|
89
|
103
|
91
|
81
|
62
|
64
|
66
|
56
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46249 |
91 |
| Mitsubishi Heavy Industries, Ltd. | 8764 |
38 |
| Daikin Industries, Ltd. | 10031 |
31 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
29 |
| LG Electronics Inc. | 73383 |
26 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 774 |
23 |
| Denso Corporation | 24372 |
21 |
| Samsung Electronics Co., Ltd. | 147003 |
20 |
| ebm-papst Mulfingen GmbH & Co. KG | 614 |
19 |
| Fisher & Paykel Healthcare Limited | 2481 |
14 |
| GREE Electric Appliances, Inc. of Zhuhai | 3246 |
13 |
| Nidec Corporation | 2667 |
12 |
| Regal Beloit America, Inc. | 866 |
12 |
| ResMed Pty Ltd | 2108 |
12 |
| Delta Electronics, Inc. | 2620 |
11 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 519 |
11 |
| Asia Vital Components Co., Ltd. | 408 |
10 |
| IHI Corporation | 3449 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
9 |
| Acer Incorporated | 2054 |
9 |
| Other owners | 550 |