- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- 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: 83
10-year publication summary
|
4
|
12
|
16
|
11
|
10
|
10
|
9
|
4
|
3
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2108 |
7 |
| NTN Corporation | 5008 |
6 |
| Aktiebolaget SKF | 2700 |
6 |
| Trelleborg Sealing Solutions Germany GmbH | 183 |
4 |
| ElringKlinger AG | 487 |
3 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| A.W. Chesterton Company | 80 |
2 |
| Carl Freudenberg KG | 1346 |
2 |
| ElringKlinger Kunststofftechnik GmbH | 24 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
2 |
| Spicer Gelenkwellenbau GmbH | 17 |
2 |
| VR Automotive Dichtungssysteme GmbH | 8 |
2 |
| Inpro/Seal LLC | 69 |
2 |
| Atlas Seals, Inc. | 3 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Tsinghua University | 5426 |
1 |
| Other owners | 33 |