- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- 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: 1631
10-year publication summary
|
112
|
140
|
126
|
143
|
156
|
141
|
147
|
119
|
106
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2108 |
216 |
| Valqua, Ltd. | 252 |
33 |
| Nippon Pillar Packing Co., Ltd. | 269 |
31 |
| Oiles Corporation | 515 |
28 |
| Daikin Industries, Ltd. | 9495 |
27 |
| Rtx Corporation | 8674 |
24 |
| Nippon Valqua Industries, Ltd. | 79 |
22 |
| The Patent Well, LLC | 47 |
19 |
| Nichias Corporation | 386 |
17 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
16 |
| NTN Corporation | 5008 |
15 |
| Uchiyama Manufacturing Corp. | 119 |
15 |
| Flexitallic Investments, Inc. | 93 |
14 |
| Honda Motor Co., Ltd. | 24537 |
12 |
| Zeon Corporation | 3854 |
11 |
| NOF Corporation | 194 |
10 |
| Saint-Gobain Performance Plastics Corporation | 1028 |
10 |
| Denso Corporation | 23338 |
9 |
| CommScope Connectivity Belgium BVBA | 497 |
9 |
| NHK Spring Co., Ltd. | 1657 |
9 |
| Other owners | 1084 |