- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- 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: 53
10-year publication summary
3
|
4
|
13
|
8
|
4
|
4
|
8
|
5
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NOK Corporation | 2108 |
6 |
Trelleborg Sealing Solutions Germany GmbH | 183 |
6 |
Aktiebolaget SKF | 2700 |
5 |
Carl Freudenberg KG | 1346 |
3 |
Herrenknecht AG | 186 |
3 |
Schaeffler Technologies AG & Co. KG | 8880 |
2 |
Andritz Oy | 276 |
2 |
ElringKlinger AG | 487 |
2 |
ElringKlinger Kunststofftechnik GmbH | 24 |
2 |
Illinois Tool Works Inc. | 11152 |
1 |
Caterpillar Inc. | 8877 |
1 |
Raytheon Company | 8535 |
1 |
A.W. Chesterton Company | 80 |
1 |
Blohm + Voss Industries GmbH | 7 |
1 |
Dana Automotive Systems Group, LLC | 395 |
1 |
EagleBurgmann Germany GmbH & Co. KG | 314 |
1 |
Freudenberg-NOK General Partnership | 178 |
1 |
GV Engineering GmbH | 37 |
1 |
Hyundai Mobis Co., Ltd. | 2668 |
1 |
Kalsi Engineering, Inc. | 50 |
1 |
Other owners | 11 |