- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/041 - Axial thrust balancing
Patent holdings for IPC class F04D 29/041
Total number of patents in this class: 355
10-year publication summary
|
35
|
29
|
56
|
53
|
47
|
38
|
39
|
22
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magenta Medical Ltd. | 114 |
18 |
| Halliburton Energy Services, Inc. | 20165 |
14 |
| Schlumberger Technology Corporation | 9690 |
12 |
| Sulzer Management AG | 613 |
12 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
12 |
| Baker Hughes Holdings LLC | 3060 |
12 |
| HeartWare, Inc. | 370 |
9 |
| ITT Manufacturing Enterprises LLC | 518 |
9 |
| Grundfos Holding A/S | 506 |
9 |
| Tc1 LLC | 591 |
8 |
| KSB SE & Co. KGaA | 628 |
7 |
| Upwing Energy, Inc. | 49 |
7 |
| Extract Companies LLC | 17 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Robert Bosch GmbH | 40953 |
6 |
| KSB Aktiengesellschaft | 171 |
6 |
| OneSubsea IP UK Limited | 378 |
6 |
| Ebara Corporation | 1951 |
5 |
| Fluid Equipment Development Company, LLC | 84 |
5 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
5 |
| Other owners | 180 |