- 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: 160
10-year publication summary
|
21
|
26
|
17
|
13
|
19
|
7
|
18
|
13
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trelleborg Sealing Solutions Germany GmbH | 192 |
22 |
| NOK Corporation | 2242 |
8 |
| Aktiebolaget SKF | 3023 |
7 |
| Carl Freudenberg KG | 1401 |
7 |
| Kalsi Engineering, Inc. | 56 |
7 |
| BAL Seal Engineering, LLC | 109 |
7 |
| Saint-Gobain Performance Plastics Corporation | 1035 |
6 |
| Schaeffler Technologies AG & Co. KG | 10392 |
5 |
| ElringKlinger AG | 554 |
4 |
| Trelleborg Sealing Solutions US, Inc. | 41 |
4 |
| A.W. Chesterton Company | 91 |
3 |
| Parker-Hannifin Corporation | 1006 |
3 |
| Robert Bosch GmbH | 43116 |
2 |
| NTN Corporation | 4956 |
2 |
| ABB Schweiz AG | 7230 |
2 |
| Dreco Energy Services ULC | 34 |
2 |
| ElringKlinger Kunststofftechnik GmbH | 30 |
2 |
| Fisher Controls International LLC | 1499 |
2 |
| Flowserve Management Company | 197 |
2 |
| KACO GmbH + Co. KG | 51 |
2 |
| Other owners | 61 |