- 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: 47
10-year publication summary
|
1
|
4
|
13
|
6
|
3
|
4
|
1
|
5
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 556 |
18 |
| Cooper-Standard Automotive Inc. | 255 |
4 |
| Atlas Copco Comptec, LLC | 20 |
2 |
| E.ON Sverige Aktiebolag | 87 |
2 |
| Mitsuba Corporation | 804 |
2 |
| Johnson Electric International AG | 374 |
2 |
| GE Renewable (Switzerland) GmbH | 4 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8694 |
1 |
| Panasonic Electric Works Co., Ltd. | 725 |
1 |
| Rockwell Automation Technologies, Inc. | 2716 |
1 |
| Bombardier Transportation GmbH | 647 |
1 |
| BSH Hausgeräte GmbH | 5518 |
1 |
| E.G.O. Elektro-Geraetebau GmbH | 139 |
1 |
| Fujikoki Corporation | 378 |
1 |
| Gorenje d.d. | 8 |
1 |
| Lennox Industries Inc. | 1116 |
1 |
| Qingdao Haier Washing Machine Co., Ltd. | 1496 |
1 |
| Shockwave LLC | 9 |
1 |
| Wilo Intec | 1 |
1 |
| Hanon Systems EFP Deutschland GmbH | 91 |
1 |
| Other owners | 2 |