- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/48 - Fluid-guiding means, e.g. diffusers adjustable for unidirectional fluid flow in reversible pumps
Patent holdings for IPC class F04D 29/48
Total number of patents in this class: 51
10-year publication summary
|
4
|
13
|
6
|
3
|
4
|
1
|
5
|
2
|
1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 613 |
18 |
| Cooper-Standard Automotive Inc. | 255 |
6 |
| Atlas Copco Comptec, LLC | 20 |
2 |
| E.ON Sverige Aktiebolag | 84 |
2 |
| Hanning Elektro-Werke GmbH & Co. KG | 56 |
2 |
| Mitsuba Corporation | 820 |
2 |
| Johnson Electric International AG | 380 |
2 |
| GE Renewable (Switzerland) GmbH | 4 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
1 |
| Panasonic Electric Works Co., Ltd. | 640 |
1 |
| Rockwell Automation Technologies, Inc. | 2810 |
1 |
| Bombardier Transportation GmbH | 559 |
1 |
| BSH Hausgeräte GmbH | 5657 |
1 |
| E.G.O. Elektro-Geraetebau GmbH | 144 |
1 |
| Fujikoki Corporation | 418 |
1 |
| Gorenje d.d. | 7 |
1 |
| Lennox Industries Inc. | 1120 |
1 |
| Qingdao Haier Washing Machine Co., Ltd. | 1563 |
1 |
| Vitesco Technologies GmbH | 2396 |
1 |
| Wilo Intec | 1 |
1 |
| Other owners | 3 |