- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/24 - Vanes
Patent holdings for IPC class F04D 29/24
Total number of patents in this class: 583
10-year publication summary
|
42
|
48
|
54
|
58
|
48
|
49
|
33
|
39
|
39
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECP Entwicklungsgesellschaft mbH | 235 |
77 |
| Magenta Medical Ltd. | 176 |
22 |
| Weir Minerals Australia, Ltd. | 309 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8919 |
12 |
| Ebara Corporation | 2233 |
12 |
| KSB SE & Co. KGaA | 702 |
12 |
| AIS GmbH Aachen Innovative Solutions | 33 |
10 |
| Jiangsu University | 1127 |
10 |
| Tc1 LLC | 628 |
10 |
| Halliburton Energy Services, Inc. | 21114 |
8 |
| IHC Holland IE B.V. | 261 |
8 |
| Hamilton Sundstrand Corporation | 4971 |
7 |
| The Penn State Research Foundation | 1564 |
7 |
| Sulzer Management AG | 686 |
7 |
| BiVACOR Inc. | 18 |
7 |
| KSB Aktiengesellschaft | 159 |
6 |
| Saudi Arabian Oil Company | 13681 |
6 |
| Spectrum Brands, Inc. | 894 |
6 |
| Suzhou HE ER Bai SI Pump Co., Ltd. | 10 |
6 |
| Pratt & Whitney Canada Corp. | 4969 |
5 |
| Other owners | 323 |