- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/048 - Bearings magneticBearings electromagnetic
Patent holdings for IPC class F04D 29/048
Total number of patents in this class: 209
10-year publication summary
|
13
|
21
|
25
|
20
|
25
|
28
|
10
|
8
|
13
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tc1 LLC | 627 |
20 |
| Levitronix GmbH | 84 |
13 |
| Halliburton Energy Services, Inc. | 21320 |
10 |
| Terumo Kabushiki Kaisha | 5815 |
8 |
| Upwing Energy, Inc. | 61 |
8 |
| BiVACOR Inc. | 18 |
7 |
| Boston Scientific Scimed, Inc. | 11169 |
6 |
| Iwaki Co., Ltd. | 56 |
6 |
| Danfoss A/S | 1436 |
6 |
| Daikin Industries, Ltd. | 10504 |
5 |
| NTN Corporation | 4915 |
5 |
| Berlin Heart GmbH | 198 |
4 |
| Eurosets S.r.l. | 120 |
4 |
| Tokyo Institute of Technology | 1312 |
4 |
| Kardion GmbH | 186 |
4 |
| Siemens AG | 24020 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
3 |
| ABIOMED, Inc. | 903 |
3 |
| Calnetix Technologies, L.L.C. | 39 |
3 |
| Edwards Japan Limited | 439 |
3 |
| Other owners | 84 |