- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/43 - Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
Patent holdings for IPC class F16J 15/43
Total number of patents in this class: 140
10-year publication summary
|
13
|
12
|
15
|
9
|
12
|
10
|
12
|
10
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tsinghua University | 5426 |
23 |
| Eagle Industry Co., Ltd. | 1062 |
23 |
| Globeride, Inc. | 867 |
9 |
| EagleBurgmann Japan Co., Ltd. | 52 |
6 |
| Rigaku Innovative Technologies, Inc. | 53 |
6 |
| Guangxi University of Science and Technology | 8 |
4 |
| Procyrion, Inc. | 47 |
3 |
| Provident Bank | 9 |
3 |
| Rigaku Corporation | 379 |
3 |
| GE Infrastructure Technology, LLC | 5873 |
3 |
| Rotary Vacuum Products Inc. | 3 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Siemens AG | 24990 |
2 |
| ExxonMobil Upstream Research Company | 2525 |
2 |
| Ferrotec (USA) Corporation | 31 |
2 |
| Harmonic Drive Systems Inc. | 465 |
2 |
| Isomag Corporation | 5 |
2 |
| Railway Technical Research Institute | 38 |
2 |
| Somar Corporation | 101 |
2 |
| Shenyang Anti-corrosion Alloy Pump Co.,Ltd | 8 |
2 |
| Other owners | 36 |