- 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: 1000
10-year publication summary
|
91
|
104
|
93
|
83
|
65
|
64
|
72
|
60
|
46
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47625 |
92 |
| Mitsubishi Heavy Industries, Ltd. | 9023 |
38 |
| Mitsubishi Heavy Industries Compressor Corporation | 635 |
29 |
| LG Electronics Inc. | 75045 |
27 |
| Daikin Industries, Ltd. | 10393 |
27 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 808 |
26 |
| Denso Corporation | 25232 |
23 |
| Samsung Electronics Co., Ltd. | 154120 |
21 |
| ebm-papst Mulfingen GmbH & Co. KG | 501 |
19 |
| ResMed Pty Ltd | 2151 |
15 |
| Fisher & Paykel Healthcare Limited | 2605 |
13 |
| GREE Electric Appliances, Inc. of Zhuhai | 3281 |
13 |
| Nidec Corporation | 2767 |
12 |
| Regal Beloit America, Inc. | 851 |
12 |
| Delta Electronics, Inc. | 2782 |
11 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 536 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
10 |
| Acer Incorporated | 2152 |
10 |
| Asia Vital Components Co., Ltd. | 430 |
10 |
| IHI Corporation | 3516 |
10 |
| Other owners | 571 |