- 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: 361
10-year publication summary
|
29
|
56
|
53
|
47
|
38
|
39
|
22
|
18
|
12
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magenta Medical Ltd. | 146 |
18 |
| Halliburton Energy Services, Inc. | 20411 |
16 |
| Schlumberger Technology Corporation | 10228 |
12 |
| Sulzer Management AG | 664 |
12 |
| Baker Hughes Oilfield Operations, LLC | 2111 |
12 |
| Baker Hughes Holdings LLC | 3011 |
12 |
| Grundfos Holding A/S | 526 |
9 |
| Boston Scientific Scimed, Inc. | 9498 |
7 |
| ITT Manufacturing Enterprises LLC | 410 |
7 |
| KSB SE & Co. KGaA | 670 |
7 |
| Upwing Energy, Inc. | 50 |
7 |
| Extract Companies LLC | 18 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
6 |
| Ebara Corporation | 2078 |
6 |
| KSB Aktiengesellschaft | 165 |
6 |
| OneSubsea IP UK Limited | 400 |
6 |
| General Electric Company | 17803 |
5 |
| Robert Bosch GmbH | 41717 |
5 |
| Fluid Equipment Development Company, LLC | 86 |
5 |
| Mitsubishi Heavy Industries Compressor Corporation | 620 |
5 |
| Other owners | 191 |