- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/24 - Vanes
Patent holdings for IPC class F04D 29/24
Total number of patents in this class: 543
10-year publication summary
|
30
|
48
|
53
|
58
|
60
|
52
|
50
|
37
|
35
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECP Entwicklungsgesellschaft mbH | 215 |
66 |
| Weir Minerals Australia, Ltd. | 309 |
20 |
| Magenta Medical Ltd. | 114 |
18 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
14 |
| Tc1 LLC | 591 |
13 |
| The Penn State Research Foundation | 1423 |
11 |
| KSB SE & Co. KGaA | 628 |
11 |
| Ebara Corporation | 1951 |
9 |
| AIS GmbH Aachen Innovative Solutions | 33 |
9 |
| IHC Holland IE B.V. | 277 |
8 |
| Jiangsu University | 950 |
8 |
| Saudi Arabian Oil Company | 11322 |
7 |
| BiVACOR Inc. | 13 |
7 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| KSB Aktiengesellschaft | 171 |
6 |
| Spectrum Brands, Inc. | 916 |
6 |
| Sulzer Management AG | 613 |
6 |
| Suzhou HE ER Bai SI Pump Co., Ltd. | 10 |
6 |
| Halliburton Energy Services, Inc. | 20165 |
5 |
| Flow Control LLC. | 131 |
5 |
| Other owners | 302 |