- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
Patent holdings for IPC class F16J 15/10
Total number of patents in this class: 1715
10-year publication summary
|
125
|
109
|
137
|
152
|
138
|
144
|
118
|
106
|
101
|
65
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2222 |
225 |
| Valqua, Ltd. | 282 |
41 |
| Nippon Pillar Packing Co., Ltd. | 245 |
28 |
| Oiles Corporation | 515 |
28 |
| Rtx Corporation | 9410 |
26 |
| Daikin Industries, Ltd. | 10027 |
24 |
| The Patent Well, LLC | 53 |
22 |
| Nippon Valqua Industries, Ltd. | 75 |
19 |
| Nichias Corporation | 392 |
18 |
| Sumitomo Wiring Systems, Ltd. | 10383 |
16 |
| NTN Corporation | 4973 |
15 |
| Uchiyama Manufacturing Corp. | 125 |
15 |
| Flexitallic Investments, Inc. | 90 |
13 |
| Honda Motor Co., Ltd. | 25327 |
12 |
| Saint-Gobain Performance Plastics Corporation | 1036 |
12 |
| CommScope Connectivity Belgium BVBA | 505 |
11 |
| Zeon Corporation | 4079 |
11 |
| Nitto Denko Corporation | 8253 |
10 |
| NOF Corporation | 215 |
10 |
| Denso Corporation | 24355 |
9 |
| Other owners | 1150 |