- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/53 - Sealings using magnetic means
Patent holdings for IPC class F16J 15/53
Total number of patents in this class: 10
10-year publication summary
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0
|
1
|
3
|
1
|
0
|
1
|
0
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0
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0
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
5 |
| American Axle & Manufacturing, Inc. | 649 |
1 |
| Eagle Industry Co., Ltd. | 1062 |
1 |
| Ferrotec (USA) Corporation | 31 |
1 |
| Fisher & Paykel Appliances Limited | 156 |
1 |
| Ferrotec Material Technologies Corporation | 23 |
1 |
| Other owners | 0 |