- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/322 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip supported in a direction perpendicular to the surfaces
Patent holdings for IPC class F16J 15/322
Total number of patents in this class: 57
10-year publication summary
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5
|
11
|
12
|
6
|
7
|
5
|
6
|
6
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Freudenberg KG | 1346 |
8 |
| Aktiebolaget SKF | 2700 |
4 |
| Trelleborg Sealing Solutions Germany GmbH | 183 |
4 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
3 |
| Caterpillar Inc. | 8877 |
2 |
| ZF Friedrichshafen AG | 6820 |
2 |
| Amsted Rail Company, Inc. | 432 |
2 |
| Andritz Oy | 276 |
2 |
| ElringKlinger AG | 487 |
2 |
| ElringKlinger Kunststofftechnik GmbH | 24 |
2 |
| Herrenknecht AG | 186 |
2 |
| NOK Corporation | 2108 |
2 |
| SKF Marine GmbH | 87 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Denso Corporation | 23338 |
1 |
| Komatsu Ltd. | 4265 |
1 |
| Dana Automotive Systems Group, LLC | 395 |
1 |
| Eagle Industry Co., Ltd. | 1062 |
1 |
| EagleBurgmann Germany GmbH & Co. KG | 314 |
1 |
| EXEL Industries | 502 |
1 |
| Other owners | 13 |