- 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: 4322
10-year publication summary
|
416
|
388
|
415
|
341
|
370
|
365
|
323
|
324
|
297
|
232
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76328 |
102 |
| Mitsubishi Heavy Industries Compressor Corporation | 650 |
85 |
| IHI Corporation | 3554 |
77 |
| Grundfos Holding A/S | 616 |
63 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 857 |
57 |
| Mitsubishi Heavy Industries, Ltd. | 9271 |
55 |
| Denso Corporation | 25909 |
53 |
| Mitsubishi Electric Corporation | 48508 |
51 |
| BorgWarner Inc. | 2584 |
51 |
| Delta Electronics, Inc. | 2875 |
50 |
| Weir Minerals Australia, Ltd. | 312 |
48 |
| ebm-papst Mulfingen GmbH & Co. KG | 493 |
44 |
| KSB SE & Co. KGaA | 746 |
42 |
| Regal Beloit America, Inc. | 849 |
41 |
| Siemens AG | 23943 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
36 |
| JPMorgan Chase Bank, National Association | 8977 |
35 |
| Sulzer Management AG | 719 |
35 |
| Nuovo Pignone Tecnologie S.r.l. | 1127 |
35 |
| Dyson Technology Limited | 4053 |
33 |
| Other owners | 3290 |