- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/3216 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip supported in a direction parallel to the surfaces
Patent holdings for IPC class F16J 15/3216
Total number of patents in this class: 55
10-year publication summary
|
4
|
13
|
8
|
4
|
4
|
8
|
6
|
5
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2216 |
6 |
| Trelleborg Sealing Solutions Germany GmbH | 191 |
6 |
| Aktiebolaget SKF | 2934 |
5 |
| Carl Freudenberg KG | 1363 |
3 |
| Herrenknecht AG | 202 |
3 |
| Schaeffler Technologies AG & Co. KG | 9807 |
2 |
| Andritz Oy | 282 |
2 |
| ElringKlinger AG | 535 |
2 |
| ElringKlinger Kunststofftechnik GmbH | 25 |
2 |
| Illinois Tool Works Inc. | 11450 |
1 |
| Caterpillar Inc. | 9527 |
1 |
| Raytheon Company | 8397 |
1 |
| A.W. Chesterton Company | 89 |
1 |
| Blohm + Voss Industries GmbH | 7 |
1 |
| Dana Automotive Systems Group, LLC | 429 |
1 |
| EagleBurgmann Germany GmbH & Co. KG | 337 |
1 |
| Freudenberg-NOK General Partnership | 167 |
1 |
| Goodrich Actuation Systems Limited | 243 |
1 |
| GV Engineering GmbH | 37 |
1 |
| Hyundai Mobis Co., Ltd. | 3138 |
1 |
| Other owners | 13 |