- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
Patent holdings for IPC class F04D 29/42
Total number of patents in this class: 4259
10-year publication summary
|
416
|
388
|
415
|
341
|
370
|
365
|
322
|
324
|
295
|
170
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75694 |
99 |
| Mitsubishi Heavy Industries Compressor Corporation | 640 |
83 |
| IHI Corporation | 3535 |
77 |
| Grundfos Holding A/S | 606 |
62 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 825 |
56 |
| Denso Corporation | 25534 |
53 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
52 |
| BorgWarner Inc. | 2583 |
51 |
| Mitsubishi Electric Corporation | 48018 |
50 |
| Delta Electronics, Inc. | 2830 |
49 |
| Weir Minerals Australia, Ltd. | 310 |
48 |
| ebm-papst Mulfingen GmbH & Co. KG | 498 |
44 |
| KSB SE & Co. KGaA | 736 |
41 |
| Regal Beloit America, Inc. | 850 |
40 |
| Siemens AG | 24029 |
39 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
36 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
35 |
| JPMorgan Chase Bank, National Association | 8956 |
35 |
| Sulzer Management AG | 712 |
35 |
| Dyson Technology Limited | 3997 |
32 |
| Other owners | 3242 |