- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/3204 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
Patent holdings for IPC class F16J 15/3204
Total number of patents in this class: 550
10-year publication summary
|
52
|
66
|
48
|
57
|
58
|
60
|
43
|
56
|
46
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2300 |
144 |
| NTN Corporation | 4913 |
50 |
| Aktiebolaget SKF | 3118 |
18 |
| NSK Ltd. | 2827 |
11 |
| Schaeffler Technologies AG & Co. KG | 10911 |
10 |
| Saint-Gobain Performance Plastics Corporation | 1053 |
10 |
| Carl Freudenberg KG | 1483 |
9 |
| Eagle Industry Co., Ltd. | 1175 |
8 |
| Kalsi Engineering, Inc. | 51 |
8 |
| KYB Corporation | 1417 |
8 |
| Trelleborg Sealing Solutions Germany GmbH | 187 |
8 |
| Caterpillar Inc. | 10271 |
7 |
| Denso Corporation | 25471 |
6 |
| Nakanishi Metal Works Co., Ltd. | 125 |
6 |
| Trelleborg Sealing Solutions US, Inc. | 69 |
6 |
| Uchiyama Manufacturing Corp. | 134 |
6 |
| Nifco Inc. | 1095 |
5 |
| SEW-EURODRIVE GmbH & Co. KG | 2027 |
5 |
| Consolidated Metco, Inc. | 175 |
4 |
| Herrenknecht AG | 212 |
4 |
| Other owners | 217 |