- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/3276 - Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
Patent holdings for IPC class F16J 15/3276
Total number of patents in this class: 91
10-year publication summary
|
16
|
11
|
10
|
10
|
8
|
5
|
4
|
6
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2243 |
9 |
| NTN Corporation | 4952 |
7 |
| Aktiebolaget SKF | 3025 |
6 |
| Trelleborg Sealing Solutions Germany GmbH | 193 |
4 |
| ElringKlinger AG | 554 |
3 |
| SEW-EURODRIVE GmbH & Co. KG | 1980 |
3 |
| Schaeffler Technologies AG & Co. KG | 10418 |
2 |
| A.W. Chesterton Company | 91 |
2 |
| Carl Freudenberg KG | 1406 |
2 |
| Eagle Industry Co., Ltd. | 1152 |
2 |
| ElringKlinger Kunststofftechnik GmbH | 30 |
2 |
| Freudenberg-NOK General Partnership | 158 |
2 |
| Spicer Gelenkwellenbau GmbH | 16 |
2 |
| VR Automotive Dichtungssysteme GmbH | 9 |
2 |
| AIGI Environmental Inc. | 11 |
2 |
| Inpro/Seal LLC | 99 |
2 |
| Atlas Seals, Inc. | 4 |
2 |
| Halliburton Energy Services, Inc. | 21122 |
1 |
| Robert Bosch GmbH | 43097 |
1 |
| Rolls-Royce PLC | 3166 |
1 |
| Other owners | 34 |