- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/3208 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
Patent holdings for IPC class F16J 15/3208
Total number of patents in this class: 153
10-year publication summary
|
13
|
23
|
29
|
17
|
15
|
20
|
7
|
17
|
13
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trelleborg Sealing Solutions Germany GmbH | 191 |
21 |
| Aktiebolaget SKF | 2931 |
7 |
| Carl Freudenberg KG | 1364 |
7 |
| Kalsi Engineering, Inc. | 53 |
7 |
| NOK Corporation | 2215 |
7 |
| BAL Seal Engineering, LLC | 107 |
7 |
| Saint-Gobain Performance Plastics Corporation | 1038 |
6 |
| Schaeffler Technologies AG & Co. KG | 9802 |
4 |
| ElringKlinger AG | 535 |
4 |
| A.W. Chesterton Company | 89 |
3 |
| Parker-Hannifin Corporation | 1033 |
3 |
| Trelleborg Sealing Solutions US, Inc. | 38 |
3 |
| Robert Bosch GmbH | 42596 |
2 |
| NTN Corporation | 4980 |
2 |
| ABB Schweiz AG | 6912 |
2 |
| Dreco Energy Services ULC | 35 |
2 |
| ElringKlinger Kunststofftechnik GmbH | 25 |
2 |
| Fisher Controls International LLC | 1485 |
2 |
| Flowserve Management Company | 201 |
2 |
| KACO GmbH + Co. KG | 50 |
2 |
| Other owners | 58 |